Going soft on cannabis

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Going soft on cannabis

Demolishing 15 key arguments for the downgrading of cannabis laws
 The Christian Institute, June 2002 First Edition
Reprinted September 2003 with revised introduction
Written by: Simon Calvert, Iain Bainbridge, Dr Seyi Hotonu, Humphrey Dobson


Currently the public is bombarded with ‘reasons’ for legalising cannabis. But the case for changing the law does not stand up to scrutiny. This booklet is an attempt to get some facts straight. It considers 15 of the most common arguments for the legalisation of cannabis.

An unusual alliance is arguing for legalisation. Politicians and newspapers on the left and the right, along with drugs ‘experts’ and liberal Church leaders, say it should be legal to take cannabis.
Sadly the Government has caved in to this pressure. The Home Secretary has proposed that cannabis be down-graded to a class ‘C’ drug – the same category as sleeping pills.
In practice, over time, there may be very little difference between legalisation and the reclassification proposed by the Government.
Changing the law is a dangerous thing to do. Cannabis, or marijuana as it is known in the USA, is a very harmful mind-altering drug. We know that those addicted to hard drugs almost invariably start on cannabis. Cannabis is linked with schizophrenia and cancer. Road deaths through cannabis are rising at an alarming rate.
Intoxication and loss of control are intrinsic to taking cannabis in a way that is not true of alcohol. The Bible bluntly teaches that drunkenness is wrong: “Do not get drunk on wine” (Ephesians 5:18). Jesus Christ refused stupefying drugs immediately before he was crucified (Matthew 27:34; Mark 15:23).
Then there is the issue of escapism. People cannot solve their problems by running away from them. Down the ages Christians have been at the forefront of battling against the epidemic of public drunkenness and the personal tragedy of alcoholism. Now Christians must take a stand as it becomes ever more fashionable to argue for the legalisation of all drugs.
Colin Hart


The Christian Institute

15 September 2003

1. “Cannabis use is so common that the current laws are unworkable”

Most people have never used any illegal drugs

According to the 2000 British Crime Survey around two-thirds (66%) of those aged 16 to 59 have never used an illegal drug.1 If those aged 60 and over had been included the figure would be higher still.
Only a very small proportion of people are currently using an illegal drug

Even of the one-third of 16 to 59 year olds who have tried drugs in their lifetime only 6% had used drugs in the last month.2 Even amongst 20 to 24 year olds (the age group with the highest rate of use) only 20% reported having used an illegal drug in the last month.3

The fact that people break a law is not a good reason for scrapping it

Large numbers of people break the speed limits - far more than use illegal drugs. Parliament has not, however, abolished speeding restrictions. Instead detection and enforcement have been improved by means such as speed cameras and on-the-spot fines. The government also uses hard-hitting advertising campaigns to discourage speeding.

The law has a restraining effect. So it is with cannabis. The law deters many from trying cannabis in the first place and causes others to give up using it for fear of getting a criminal record.

2. “Cannabis is a harmless drug. There is no need to outlaw it.”

Cannabis affects brain function

There is an established link between schizophrenia and cannabis. Some experts have stated that cannabis can trigger schizophrenia4 while others maintain that it severely worsens the symptoms and outcome of schizophrenia.5 Smoking cannabis can cause hallucinations and delirium leading to disorientation and a distorted reality.6 These symptoms may last several days. A Swedish study found that a person under the influence of cannabis is roughly 18 times more likely to take their own life by jumping from a height than a non-user.7 Cannabis is also addictive.8 5-10% of all drug addicts in treatment are addicted to cannabis.9
Prolonged cannabis smoking also interferes with normal brain function. Short-term memory is damaged and this affects the ability to learn. Thus amongst 150 long-term users of cannabis who smoked cannabis at least six times a week for at least two years, 66% had noticed that their memory was faulty, almost 50% were less able to concentrate on a complex task, whilst 43% were less able to think clearly.10
Cannabis can affect the heart

Smoking cannabis simultaneously decreases the oxygen supply to the heart whilst increasing its need for oxygen.11 This action has produced heart attacks in young, fit cannabis smokers.12 It has been shown that the risk of a heart attack may be increased 3.2 times in the 60 minutes after marijuana use in the absence of other potential triggers of a heart attack.13

Cannabis causes lung disease and cancer

Cannabis cigarettes can cause chronic bronchitis14 because they do not have filters and cannabis smokers inhale more deeply and hold the smoke in their lungs several times longer than ordinary cigarette smokers.15 The resultant amount of tar that is deposited in the lung from a cannabis joint is approximately four times that from a cigarette of the same weight.16 Therefore a person who smokes 3-4 joints per day is equivalent to a 20 per day cigarette smoker in terms of bouts of bronchitis, chronic cough and wheeze.17 Cannabis smoking is also associated with an increased risk of cancer of the lung18, throat,19 nose,20 tongue21 and gut22. Cannabis use is associated with the early onset of cancers in young people (see page 10).
The Government’s Advisory Council on the Misuse of Drugs said in March 2002: “Since cannabis use has only become commonplace in the past 30 years there may be worse news to come. Further research, coupled with a public health education programme, is required.”23

3. “Taking cannabis is a victimless crime. Using the law is unjustified.”

The law has a role in protecting people from themselves

Even if nobody else suffered directly from somebody using cannabis, the user makes himself a victim (see answer to Question 2 above). The law has an important role in protecting people from themselves. This helps explain why it is a criminal offence to fail to wear a seat-belt in a car.24 As Bill Clinton’s head of drug policy said: “‘U.S. law does not grant people the right to destroy themselves or others’…He endorsed the continuing prohibition on drugs because ‘studies show that the more a product is available and legitimised, the greater will be its use…if drugs were legalised, the cost to the individual and society would grow astronomically.’”25
Danger to others

Even if cannabis users never stole to feed their habit, cannabis use would still not be a victimless crime. A recent study published by the Department of Environment, Transport and the Regions found that there had been a six-fold increase in the involvement of illicit drugs in fatal road accidents since the mid-1980s.26 The study reported that traces of cannabis had been found in 12% of road fatalities.27 If current trends continue, even without any change in the law, cannabis use will overtake alcohol abuse as a factor in road accidents.28

Loss of productivity

Society as a whole is the victim of cannabis use. It is not in the interests of society to facilitate the intoxication of its citizens. Cannabis use stops people from reaching their full potential. Cannabis users in general are likely to lack motivation, concentration and be less able to perform complex long-term tasks.29 In the case of school-children, those who smoke cannabis play truant more often than other children.30

4. “Cannabis is not a gateway drug”

Research shows there is a progression from cannabis to other drugs

The gateway theory states that taking one drug opens the gate to the use of other drugs31. There is evidence that because cannabis and harder drugs, such as heroin and cocaine, have similar effects on the brain, cannabis may act as a gateway to those harder drugs.32 Researchers in the USA have found that young people tend to progress through a sequence of increasingly strong drugs where illegal drug use starts with cannabis and moves on to hard drugs.33 A study from New Zealand in 2000 found that heavy cannabis users were 60 times more likely than non-users to take other illicit drugs such as Ecstasy and LSD.34
Cannabis users associate with people who encourage hard drug use

Cannabis users associate with other cannabis users and dealers of harder illicit drugs in an environment where drug taking, whatever the drug, is accepted and encouraged.35 If cannabis is perceived as a harmless drug, other drugs are too36.

Most hard drug users started on cannabis

Most abusers of hard drugs started their drug abuse career by smoking cannabis.37 In one study, of those who used cannabis more than 1000 times, 90% had used other illicit drugs. Of those who had never used cannabis, only 6% had used hard drugs.38 Another study concluded that children between the ages of 12 and 17 who smoked cannabis were 85 times more likely to end up using cocaine than their non cannabis-smoking peers.39

5. “Locking up cannabis users who are actually dependent on it is cruel and harsh. We should be giving them medical help, not criminalising them.”

Left to their own devices, users are unlikely to go for treatment

One of the immediate effects of cannabis is apathy, a distorted sense of time, disordered thoughts and mental confusion.40 After prolonged use of cannabis users often develop permanent memory loss, difficulties forming new memories and an inability to concentrate, even after a period of abstinence.41 It is therefore very unlikely that addicts will be capable of completing a voluntary drug treatment programme.
The criminal justice system can make treatment more likely

The National Institute on Drug Abuse has developed a set of principles of drug addiction treatment, based on 30 years of research. The Institute states that “successful outcomes often depend upon retaining the person long enough to gain the full benefits of treatment… Whether a patient stays in treatment depends on factors associated with both the individual and the program. Individual factors... include motivation to change drug-using behaviour... and whether there is pressure to stay in treatment from the criminal justice system...” Furthermore “potential treatment applicants can be lost if treatment is not immediately available or is not readily accessible.” “Treatment does not need to be voluntary to be effective... Sanctions or enticements in the... criminal justice system can increase significantly both treatment entry and retention rates and the success of drug treatment interventions.”42

Prisons provide high quality medical treatment for addicts

Those addicts who are actually imprisoned for drug offences are likely to get high quality medical treatment for their drug problem. Punishment is combined with help for the addict. The prison service has developed a drugs strategy of which a key priority is “improving the availability and quality of treatment”.43 For example, in November 2000, Cabinet Office Minister Ian McCartney opened the UK’s first drug therapeutic community in a women’s prison.44

6. “Cannabis is nothing like as dangerous as tobacco or alcohol yet they are legal and cannabis is not.”

Cannabis contributes to road accidents

In a recent survey, cannabis was present in 12% of fatal road accident casualties (drivers, riders, passengers and pedestrians).45 In contrast to alcohol cannabis can have an unpredictable effect on users.46 A cannabis smoker may not be aware of any deficit. For example in one survey of drug-drivers, 10 out of the 39 cannabis users believed that taking cannabis improved their driving.47 The impairing effect of cannabis use on driving can continue much longer than that of alcohol. Cannabis users can experience flashbacks several weeks after taking cannabis.48 Roughly a quarter of cannabis users experience some kind of flashback.49
Cannabis causes cancer

Cigarettes and cannabis both cause lung disease (see 2 above). Moreover cannabis smokers who develop cancer tend to do so earlier than cigarette smokers. In fact some sufferers are unusually young, developing cancer before the age of 40.50

Cannabis is linked to violent behaviour

It has been noted that cannabis can cause relaxation, loss of inhibitions, decreased aggression and amotivation.51 It is claimed this is better than excessive alcohol which can cause violent behaviour.52 But in one study, 30% of a group of convicted murderers who were high on cannabis at the time of the homicide, stated that the crime occurred because they were on cannabis.53 Similarly in susceptible individuals, cannabis can produce paranoia and mania.54 Also schizophrenics are more likely to display aggressive and violent behaviour under the influence of cannabis.55

7. “Criminalising cannabis is draconian and causes more harm than good.”

Taking cannabis is harmful and the law should protect people from harm

Once cannabis is decriminalised more people will use it (see pages 19 and 20). It will not be ‘good’ when we see more road deaths, more cases of cancer, bronchitis and schizophrenia, more mental health problems in vulnerable teenagers. It is right and necessary for the law to protect people. Also, cannabis users are more likely to get help once in the criminal justice system (see pages 8 and 9).
Breaching criminal laws must have consequences

There is no point in having criminal laws unless those caught breaking them will at least risk prosecution. It is right that those who choose to deliberately flout the criminal law should face prosecution if caught. In reality most cannabis users caught for the first time will be cautioned.56 In any event, many cannabis users will already have other criminal convictions. 49% of arrestees in a recent Home Office study tested positive for cannabis.57

There are many less serious activities that can lead to a criminal conviction and serious consequences

You can receive a criminal record for many other activities which many people would regard less seriously, such as failing to complete a census form.58

8. “It is wrong to criminalise people who use cannabis for medical reasons.”

Products extracted from cannabis are being tested for possible medical benefits

There are over 61 cannabinoids which can be extracted from cannabis.59 Two pharmaceutical products, synthetic derivatives of cannabis, are already available on prescription (Nabilone and Dronnabinol.) It may be that other cannabinoids may have medical benefits. This should be decided on the basis of thorough clinical trials.
Cannabis is not a medicine

The difference between cannabis in its street form and the medically useful cannabinoids, is like comparing the painkiller morphine, which is given under medical supervision, with street heroin which may cause death from an overdose,60 or may contain a fatal infection61 or may be mixed with anything from talcum powder to strychnine.62 The raw form is dirty and dangerous and of unpredictable toxicity. The other is a highly developed pharmaceutical product, administered in carefully regulated doses under medical supervision.

Sophisticated pharmaceutical products are one thing. Cannabis is another.

Despite the medical potential, products extracted from cannabis, like other therapeutic drugs, are being subjected to rigorous clinical trials in order to produce a sophisticated pharmaceutical product that will provide real medical advantages without the, often dangerous, side effects. GW Pharmaceuticals, the company licensed by the UK Home Office to research and develop prescription cannabis-based medicines, began their investigations in 1998, yet they anticipate that their clinical trials will not finish until 2003.63 Until their product has been granted official approval by the Medicines Control Agency, no practising doctor can prescribe it, outside of a clinical trial. The Government, whilst welcoming investigations into the therapeutic uses of cannabis, also stated that it “wishes to emphasise that the development and peer-review of high-quality clinical trials are processes which cannot be rushed, irrespective of the need, otherwise there would be a danger that an inadequate trial design would result in a flawed clinical study.”64

9. “Legalising cannabis would eradicate the black market and the associated crime and so enable the Government to regulate the supply of cannabis.”

Legalisation does not result in control of cannabis production

In Holland the sale of cannabis is allowed in licensed ‘coffee shops’. Yet almost all of the cannabis grown there is grown illegally and therefore not subject to tax. Even in licensed coffee shops it is estimated that up to 70% of what is sold has come from an illicit crop. The estimated illegal sale of cannabis is $10 billion per year in Holland.65
It is an illegitimate trade that cannot be legitimised

Drug-dealing is a dirty business. For example, there is a well established link between the drug trade and the sex industry.66 Prostitutes constitute a significant minority of drug market customers and are helping to maintain it. Prostitutes may have several roles in the market, including buying drugs for and using drugs with clients. Prostitutes may also accept drugs as payment and sell drugs themselves. Drug dealers are often involved as pimps. This arrangement would continue even if cannabis were legalised.

Drug dealers will not give up selling harder drugs if cannabis is legalised

If cannabis is legalised, most existing dealers will not seek legitimate employment in the new legalised business. Many dealers would simply conclude that greater cannabis consumption will create a much bigger market for hard drugs and continue to deal in those drugs.

10. “Under the current law young people who want cannabis have to go to dealers. This brings them into contact with suppliers of harder drugs. Legalisation would break this link.”

Legalisation does not break the link

The evidence seems to be that easing the law on cannabis is even more likely to bring youngsters into contact with suppliers of hard drugs. In Brixton, personal use of cannabis is effectively legalised because users are cautioned but not arrested. Fred Broughton, chairman of the Police Federation, has said that because of this procedural change “crack abusers and crack dealers - are becoming more visible and more active”.67 In Brixton “Young people were telling everybody that cannabis is now OK, that it is OK to possess in the streets, in schools... The street dealers seem to be exploiting the situation in many places by basically carrying small pieces of cannabis and using that as a cover for dealing in more dangerous drugs”.68 The Criminal Justice Association has stated that in Holland hard drug dealers were more likely to frequent the legal outlets and that many licensed outlets had been closed for dealing in hard drugs.69 Also, a University of Amsterdam study asked cannabis users in Amsterdam if other drugs were available at the same place they obtained their cannabis. Of those who said cocaine was also available, 54% said it could be found at a licensed outlet. Similarly, 57% of those who said ecstacy was available identified a licensed outlet as its source.70
Even where cannabis is legal, under-age users still obtain it illegally

In Holland licensed cannabis shops are not allowed to sell cannabis to those under 17, but teenagers are still obtaining cannabis illegally and in considerable quantities.71 Recent statistics show that Dutch 15-16 year olds have the third highest rate of consumption of cannabis compared to their European peers72 and that they are still coming into contact with suppliers of hard drugs.73

11. “Our current drugs laws are simply not working. Young people need to be told about the risks of drugs and then left to make their own choices.”

The current approach is soft on cannabis use

The reason why current policy is failing to reduce cannabis use is because the policy is to be soft on it. The CPS and the police are giving up on the idea of prosecuting cannabis users. Instead, they let them off with a caution. The percentage of cases dealt with by caution has risen from 3% in 1982 to 55% in 1998.74
Cautions and convictions for possession of cannabis, UK

Even drugs education does not aim to discourage drug use

“Harm reduction” in the drugs field is a philosophy which, instead of seeking to prevent drug use, seeks to reduce some of the damaging effects of drugs use. It was designed for use with addicts, but is now a common approach in drugs education with all audiences, including school children, whether or not they have ever taken drugs. This approach undermines drugs law enforcement, and sends out a signal that drugs can be used safely, rather than discouraging drug use.
For example, the introduction to a teaching guide, Taking Drugs Seriously states: “This pack starts from the position that drug use is a part of some young people’s lives and will not be prevented by education… They [pupils] should be given as much information and develop as many skills as possible, with the minimum pollution by others’ dogma.”75
We need to take prevention seriously

The Government ought to be pursuing a tough and consistent prevention approach, including making sure that schools and all publicly funded agencies support the Government’s approach. The goal should be preventing young people from taking drugs in the first place, not teaching them how to take drugs more ‘safely’.

Bill Clinton’s head of drug policy, General Barry McCaffrey, certainly believed this. In March 2000 he said: “…the ‘prevention of drug, alcohol and tobacco use among children and adolescents’ is the overriding goal of current U.S. drug policy…”.76 The following month McCaffrey went further: “The indirect campaign to legalise drugs has tried to manipulate the issues of ‘medical marijuana’ and ‘harm reduction’. This approach should offend America’s sense of integrity. The welfare of children must come first. Reducing drug abuse is in our country’s most fundamental interest.”77

12. “The prohibition of cannabis actually encourages drug taking because the thrill of illegality attracts young people.”

The acceptability of cannabis makes use more likely

When a group of first year medical students from Newcastle University were asked why they took illicit drugs, 63% of the men and 50% of the women said it was for pleasure. In total 45% of the students in this study had experimented with cannabis at some stage during their life compared with 21% of students from a previous survey in 1987. The authors conclude that the reason for this difference was because “cannabis use has become more acceptable in the young today”.78 It was the acceptability not the illegality that increased use.
Attitudes at home influence young people

As well as peer pressure, young people may be influenced by attitudes and behaviour at home. For example results from the 1998/1999 Youth Lifestyle Survey, and the British Crime Survey 2000, showed that children with a parent who had taken drugs at some time in their life were themselves significantly more likely to have taken cannabis during the last year. A similar effect was found amongst siblings. 43% of children whose older or younger brother or sister had taken drugs at some time in their life reported drug taking compared to 20% of those with no drug-using siblings.79

Legalisation would encourage use

The amount of cannabis smoking is influenced by its perceived image. A survey of over 1500 readers of the magazine New Musical Express showed that if cannabis possession were decriminalised, 61% of respondents who had never used cannabis would start smoking it.80

13. “Legalising cannabis would release the police to deal with more serious crimes and it would free up the courts and prisons. It would concentrate resources on the ‘real’ problem of hard drug dealers.”

Convenience should never be the criteria for law enforcement

The police are there to enforce the laws which Parliament has enacted for as long as they remain on the statute books. Car crime is prevalent and takes up a lot of police time. This is not a valid argument for legalising it.
Weakening the law worsens the problem

Relaxing the law on cannabis would lead to more people taking the drug. Cannabis is a gateway to hard drugs (see answers to Question 4). Therefore more users of cannabis would ultimately mean more users of hard drugs. Increasing demand for hard drugs would increase the problem of drug dealing, resulting in more work for the police.

There is evidence to show that a ‘zero tolerance’ approach to policing is more effective

The Swedish Government has adopted a tough approach to drugs use based on tough and consistent enforcement of the law and prevention policies. Only 9% of Swedes have tried drugs81, compared with 34% of British people aged between 16 and 59.82

The Former Mayor of New York Rudolph Guiliani has said that he favours arresting anyone caught in possession of cannabis.83 Mayor Guiliani enforced a ‘zero tolerance’ policy towards all types of crime, including cannabis possession, from 1994-2001. In that time the number of burglaries and the number of murders in New York both fell by nearly two-thirds.84 Enforcing this policy consistently across all drugs had amazing results. In New York City crack cocaine is widely considered a thing of the past.85

14. “The law is out of touch with public opinion. Most people are in favour of legalising cannabis.”

The public do not favour legalisation

The last British Social Attitudes survey on cannabis found that 64% of respondents said that they thought taking cannabis should remain illegal.86
The British Social Attitudes surveys are the most authoritative annual survey of public attitudes in Britain. They are conducted by The National Centre for Social Research, the largest independent social research institute in Britain.87 British Social Attitudes surveys have been conducted annually since 1983. Each survey consists of approximately 3,500 interviews with a representative, random sample of adults in Britain.88
Opinion polls used by those who claim the public favour softening the law are often based on small samples of adults and exclude the views of those over a certain age (e.g. Only 16-59 year olds are questioned). Often leading questions are used to ensure the result that the questioner wants.
Opinion has been influenced by pro-cannabis propaganda

One of the reasons that public opinion does seem to be shifting in some polls is that so many false claims are made about cannabis, including the claim that it is harmless. Repeated claims that smoked cannabis has unique medicinal qualities have also confused the issue in the minds of many people. It is one thing to change public opinion on the basis of genuine fact. It is another thing to manipulate public opinion by misinformation.

An opinion poll for the Independent on Sunday asked respondents for their view on the law.89
They asked whether cannabis possession:
Should be illegal 17%

On prescription for medical use 45%

Freely available like tobacco or alcohol 9%

Sale to remain illegal, possession decriminalised 9%

Should be legal but only through licensed government outlets 17%

No opinion 3%

It is clear from the above that 17% of the respondents opposed changing the law and 45% only supported a change in the law to allow cannabis for medical use.
Only 35% supported decriminalising the possession of cannabis for recreational use. However the headline that appeared in the Independent on Sunday was “Huge majority want cannabis legalised - Government isolated as 80 per cent back our campaign for radical change in the law.”90
The effects of legalising cannabis will not be determined by a vote

Politicians should be sensitive to public opinion. However they have an overriding duty to ensure that policies are in the best interests of society and to base their proposals on hard evidence. The damage caused by legalising cannabis is real. Politicians can vote to legalise it, but they cannot vote to make it harmless.

15. “The use of cannabis has always been just as widespread as it is today. Even Queen Victoria used it.”

Use of illegal drugs, such as cannabis has rocketed in recent decades

The widespread use of ‘recreational’ drugs is a modern phenomenon. The West has never before had such a drugs problem. The number of registered drug addicts (all drugs) has soared in the last 70 years. In 1934 the first official statistics on drugs addicts put the total number of addicts at 300.91 In 1984 alone 5,400 new addicts were registered.92 The number of cannabis offences has also rocketed.
Year Cannabis Charges/Convictions

1964 544 charges93

1975 8,987 convictions/cautions94

1985 20,976 convictions/cautions95

1989 33,669 convictions/cautions96

1999 88,548 convictions/cautions97

Medical science has advanced

In past centuries people were not aware of the damaging consequences of certain drugs. Neither did they have access to the wide range of clinically tested drugs that are available now.

The fact that some have used drugs in the past does not make it right

In the past substances such as mercury, arsenic and sea water were used as medicines. It was thought that they would relieve pain. We now know otherwise.

The existence of drug use in society in previous centuries does not change its moral status. There are other things that people did in the past, such as slavery, that we now maintain are morally wrong.
Increased potency of smoked cannabis

Cannabis smoked recreationally today in the U.K. is far more potent than cannabis used in the past, even the fairly recent past. A typical “reefer” in the 1970’s contained about 10 mg of tetrahydrocannabinol (THC), the main psychoactive ingredient of cannabis. A typical “joint” today may contain anything from 60mg to over 150 mg98 - i.e. it is between six and fifteen times more potent.

1 Drug misuse declared in 2000: results from the British Crime Survey, Home Office Research Study 224, Home Office, 2001, Table 2.1, page 13

2 Loc cit

3 Ibid, pages 13-14. Cannabis remains the most widely consumed drug in all age groups with 27% of 16-59 year olds reported having used it. (44% of young people aged 16-29).

4 The classification of cannabis under the Misuse of Drugs Act 1971, Advisory Council on the Misuse of Drugs, Home Office, 2002, page 7; Sunday Mail, 5 August 2001

5 Johns, A, ‘Psychiatric effects of cannabis’, British Journal of Psychiatry, 187, 2001, pages 116-122

6 Ramstrom, J, Adverse Health Consequences of Cannabis Use, Socialstyrelsen, 1998, pages 19-20

7 Ibid, pages 35-36

8 The classification of cannabis under the Misuse of Drugs Act 1971, Op cit, page 8

9 Loc cit

10 Ramstrom J, Op cit, pages 48-49

11 Mittleman, M A et al, ‘Triggering Myocardial Infarction by Marijuana’, Circulation, 103, 2001, page 2808

12 Podczeck A, Frohner, K and Steinbach, K, ‘Acute myocardial infarction in juvenile patients with normal coronary arteries’, International Journal of Cardiology, 30, 1990, pages 359-361; Choi, Y S and Pearl, W R, ‘Cardiovascular Effects of Adolescent Drug Abuse’, Journal of Adolescent Health Care, 10, 1989, pages 332-337

13 Mittleman, M A et al, Op cit, pages 2805-2809

14 Tashkin, D P et al, ‘Respiratory Symptoms and Lung Function in Habitual, Heavy Smokers of Marijuana Alone, Smokers of Marijuana and Tobacco, Smokers of Tobacco Alone, and Nonsmokers’, American Review of Respiratory Disease, 135, 1987, pages 209-216; Bloom, J W et al, ‘Respiratory effects of non-tobacco cigarettes’, BMJ, 295, 12 December 1987, pages 1516-1518; The New Zealand Herald online, 27 November 2000 see http://www.nzherald.co.nz/storyprint.cfm?storyID=162086 as at 21 January 2002

15 Petersen, R C, ‘Importance of inhalation patterns in determining effects of marijuana use’, The Lancet, 1, 31 March 1979, pages 727-728

16 Wu T, Tashkin D P, Djahed, B and Rose, J E, ‘Pulmonary Hazards of Smoking Marijuana as Compared With Tobacco,’ New England Journal of Medicine, 318, 1988, pages 347-351

17 New Scientist, 21 February 1998

18 Barsky, S H et al, ‘Histopathologic and Molecular Alterations in Bronchial Epithelium in Habitual Smokers of Marijuana, Cocaine, and/or Tobacco’, Journal of the National Cancer Institute, 90, 1998, pages 1198-1205

19 Ramstrom, J, Op cit, page 72

20 Loc cit

21 Loc cit; Hall, W and Solowij, N, ‘Adverse effects of cannabis’, The Lancet, 352, 1998, pages 1611-1616

22 Ramstrom, J, Op cit, page 72

23 The Classification of Cannabis under the Misuse of Drugs Act 1971, Op cit, page 7

24 Road Traffic Act 1988, Section 14 10

25 Washington File, US Department of State, 14 March 2000 see http://usinfo.state.gov/topical/global/drugs/monsen.htm as at 10 April 2002

26 Sexton, B F et al, The Influence of Cannabis on Driving, DETR, TRL Report 477, 2000 page 1

27 Loc cit

28 Home Office Statistical Bulletin: Motoring Offences and Breath Test Statistics England and Wales 2000, Home Office, Issue 24/01, 20 December 2001, pages 15-16

29 Ramstrom, J, Op cit, pages 36-37. Also see The Classification of Cannabis under the Misuse of Drugs Act 1971, Op cit, pages 7-8

30 Kuipers, S B M et al, A Closer Look At Cannabis Users, Utrecht/Houten, 1997 see http://www.ivv.nl/ivz/publications/canngnb/en/index.html as at 19 March 2002; Goulden, C and Sondhi, A, ‘At the margins: drug use by vulnerable young people in the 1998/99 Youth Lifestyles Survey’, Home Office Research Study 228, Home Office, November 2001 pages v and 9-11

31 Witton, J and Mars, S, ‘Cannabis and The Gateway Hypothesis’, Submission by DrugScope to Home Affairs Select Committee on Drugs, October 2001, Annex B

32 ‘Marijuana: Harder than Thought?’, Science, 276, 1997, pages 1967-1968

33 Ramstrom, J, Op cit, pages 52-53

34 Fergusson, D M and Horwood, L J, Does Cannabis Use Encourage Other Forms of Illicit Drug Use?, Addiction, 95(4), 2000, pages 505-520 and The New Zealand Herald, 13 May 2000

35 Witton, J and Mars, S, Op cit, Annex B

36 Loc cit

37 Yamaguchi, K and Kandel, D B, ‘Patterns of Drug Use From Adolescence to Young Adulthood III. Predictors of Progression’, American Journal of Public Health, 74 (7), 1984, pages 673-681

38 Kandel, D B et al, ‘The Consequences in Young Adulthood of Adolescent Drug Involvement’, Archive of General Psychiatry, 43, 1986, pages 746-754

39 Kleber, H D, ‘Decriminalisation of cannabis’, Lancet, 346, 1995, page 1708

40 Ashton, C H, ‘Adverse effects of cannabis and cannabinoids’, British Journal of Anaesthesia, 83(4), 1999, pages 637-649

41 Ibid, pages 642-643

42 National Institute on Drug Abuse, ‘Principles of Drug Addiction Treatment, a Research Based Guide’, NIDA, National Institute of Health Publication, July 2000

43 HM Prison Service, ‘Briefing for Home Affairs Committee on Drugs and Prisons’, 16 May 2000, page 22

44 HM Prison Service, ‘McCartney Opens Groundbreaking Drug Project in Women’s Prison’, Press Release, 30 November 2000

45 S exton, B F et al, Op cit, page 1

46 Ibid, page 4

47 Ingram D, Lancaster, B and Hope, S, ‘Recreational Drugs and Driving: Prevalence Survey’, Scottish Executive Central Research Unit, 2001, page 38

48 Cannabis – Hash and Marijuana – A factsheet from the Swedish Council for Information on Alcohol and other drugs, see http://www.can.se/showStandard.asp?id=27 as at 19 March 2002. See also Hollister, L E, ‘Health Aspects of Cannabis’, Pharmacological Reviews, 38(1), 1986, page 7; Ashton, C H, ‘Adverse effects of cannabis and cannabinoids’, Op cit, pages 637-649

49 See www.drugscope.org.uk/druginfo/drugsearch/ds_results.asp?file=\wip\11\1\1\flashbacks.htm as at 19 March 2002

50 Ashton, C H, ‘Adverse effects of cannabis and cannabinoids’, Op cit, pages 637-649;

Hall, W and Solowij, N, Op cit, pages 1611-1616

51 ‘Cannabis and Aggression’, taken from Independent Drug Monitoring Unit website at http://www.idmu.co.uk/canagr.html as at 19 March 2002; ‘Cannabis, effects/risks’, taken from DrugScope website at http://www.drugscope.org.uk/druginfo/drugsearch/ds_results.asp?file=\wip\11\1\1\cannabis.htm as at 19 March 2002

52 Hunt, G P and Laidler, K J, ‘Alcohol and Violence in the Lives of Gang Members’, Alcohol Research & Health, 25 (1), 2001, pages 66-71
Caetano R, Schafer, J and Cunradi, C B, ‘Alcohol-Related Intimate Partner Violence Among White, Black, and Hispanic Couples in The United States’, Alcohol Research & Health,, 25(1), 2001, pages 58-65; Bormann, C A and Stone, M H, ‘The Effects of Eliminating Alcohol in a College Stadium: The Folsom Field Beer Ban’, Journal of American College Health, 50(2), 2001, pages 81-88

53 Spunt, B et al, ‘Drug Use by Homicide Offenders’, Journal of Psychoactive Drugs, 27(2), April-June 1995, pages 125-134

54 Hall, W and Solowij, N, Op cit, pages 1611-1616; Wylie A S, Scott, R T A and Burnett, S J, ‘Psychosis due to “skunk”’, BMJ, 311, 1995, page 125; Hollister, L E, ‘Health Aspects of Cannabis’, Pharmacological Reviews, 38 (1) 1986, page 6

55 Ashton, C H, ‘Adverse effects of cannabis and cannabinoids’, Op cit, page 641; Ramstrom, J, Op cit, pages 24, 28-31

56 As 55% of cannabis possession cases are dealt with by caution (compared 45% leading to prosecution) it is fair to assume that more than half of first offences are being dealt with by caution. House of Commons, Hansard, 3 May 2000, col. 152 wa

57 Bennett, T, ‘Drugs and Crime: The results of the second developmental stage of the NEW-ADAM programme’, Home Office Research Study 205, Home Office, 2000, page vi

58 The Daily Telegraph, 14 September 2001; The Express, 6 December 2001

59 Ashton, C H, ‘Adverse effects of cannabis and cannabinoids’, Op cit, page 638

60 Seaman S R, Brettle, R P and Gore, S M, ‘Mortality from overdose among injecting drug users recently released from prison: database linkage study’, BMJ, 316, 1998, pages 426-428; Roberts I, Barker, M and Li, L, ‘Analysis of trends in deaths from accidental drug poisoning in teenagers, 1985-95’, BMJ, 315, 1998, page 289

61 ‘UK heroin deaths prompt international alert’, BMJ, 320, 2000, page 1559

62 The Independent on Sunday, 28 October 2001

63 BBC News Online, 24 October 2001 at http://news.bbc.co.uk/hi/english/business/newsid_1617000/1617432.stm

64 ‘Government Response to The House of Lords Select Committee on Science and Technology’s Report On Therapeutic Uses of Cannabis’, Department of Health, cm 5332, December 2001

65 Collins, L, ‘Holland’s Half-Baked Drug Experiment’, Foreign Affairs, 78(3), 1999, see http://www.emory.edu/NFIA/legal/dutchpolicy.html as at 28 January 2002

66 May, T et al, ‘Street Business: The links between sex and drug markets’, Home Office, Policing and Reducing Crime Unit: Police Research Series, Paper 118, 1999

67 The Independent, 23 January 2002

68 BBC News Online, 22 January 2002 at http://news.bbc.co.uk/hi/english/uk­­­_politics/newsid_1774751.stm

69 Submission by Criminal Justice Association to Home Affairs Select Committee on Drugs, August 2001, memorandum 16

70 Cohen, P and Sas, A, ‘Cannabis use in Amsterdam’, Centrum voor Drugsonderzoek, Universiteit van Amsterdam, 1998

71 Abraham, M D et al, ‘Licit and illicit drug use in Amsterdam III Developments in drug use 1987 – 1997’, CEDRO (Centrum voor Drugsonderzoek), Universiteit van Amsterdam, 2000

72 ‘Lifetime prevalence of use of different illegal drugs among 15- to 16- year-old students in recent nation-wide school surveys in some EU countries’, taken from the European Monitoring Centre for Drugs and Drug Addiction, see http://www.emcdda.org/infopoint/publications/annrepstat_00_prevalence.shtmlon as at 31 January 2002

73 Abraham, M D, ‘Places of Drug Purchase in the Netherlands’, Presentation held at the 10th Annual Conference on Drug Use and Drug Policy, CEDRO, Vienna, September 1999

74 House of Commons, Hansard, 3 May 2000, col. 152 wa

75 Clements I, Cohen, J and Kay, J, Taking Drugs Seriously 3 - A Manual of Harm Minimising Education on Drugs, Healthwise, Reprinted 2000, Page 4

76 Washington File, US Department of State, 14 March 2000 see http://usinfo.state.gov/topical/global/drugs/monsen.htm as at 10 April 2002

77 Washington File, US Department of State, 18 April 2000 see http://usinfo.state.gov/topical/global/drugs/post.htm as at 10 April 2002

78 Newbury-Birch D, White, M and Kamali, F, ‘Factors influencing alcohol and illicit drug use amongst medical students’, Drug and Alcohol Dependence, 59, 2000, pages 125-130

79 Goulden, C and Sondhi, A, ‘At the margins: drug use by vulnerable young people in the 1998/99 Youth Lifestyle Survey’, Home Office Research Study 228, Home Office Research, Development and Statistics Directorate, November 2001

80 New Musical Express, 17 November 2001, pages 27-36

81 The Sunday Times, 8 July 2001

82 Drug misuse declared in 2000: results from the British Crime Survey, Op cit, Table 2.1, page 13

83 Daily Mail, 15 February 2002

84 CompStat Citywide Year Historical Comparison 2001 through 1993, Police Department City of New York see http://www.nyc.gov/html/nypd/html/pct/cspdf.html as at 8 April 2002

85 The Herald, 3 April 2002

86 Jowell, R et al, British Social Attitudes (The 13th Report), SCPR, 1996, page 97

87 http://www.scpr.ac.uk/news/news_bsa_pr2001.htm as at 19 March 2002

88 Jowell, R et al, Op cit, page xii

89 http://www.mori.com/polls/1997/cannabis.shtml as at 28 January 2002

90 Independent on Sunday, 12 October 1997

91 Edwards, G and Busch, C, Drug Problems in Britain- A Review of Ten Years, Academic Press, London, 1981, page 9

92 Home Office Statistical Bulletin: Statistics of the Misuse of Drugs in the United Kingdom 1984, Home Office, Issue 23/85, 3 September 1985, page 9

93 Edwards, G and Busch, C, Op cit, page 10

94 Home Office Statistical Bulletin: Statistics of the Misuse of Drugs in the United Kingdom 1985, Home Office, Issue 28/86, 25 September 1986, Table 5, Page 17

95 Loc cit

96 Corkery, J M, Drug Seizure and Offender Statistics, United Kingdom 1999, Home Office, 5/01, 30 March 2001, Table 3.12, page 68

97 Loc cit

98 Ashton, C H, Evidence submitted to the House of Lords Select Committee, 6 April 1998, Para 1.1. (Professor Heather Ashton is Emeritus Professor of Clinical Psychopharmacology, Department of Psychiatry, University of Newcastle upon Tyne.)

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