Cannabis Information

Research articles about the effects of cannabis.

How cannabis was criminalised.

Cannabis first became illegal in the UK, and most of the rest of the world, on 28th September 1928 when the 1925 Dangerous Drugs Act came into force. There were no British domestic reasons, no lobbying for or against prohibition, and no Parliamentary debates.

Cannabis Use in Britain

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These lecture notes are intended as an introduction to Cannabis use in the UK. These briefly cover prevalence of cannabis use among different age groups, consumption patterns, initiation to drug use (the "progression" theory), the types of cannabis available, methods of use, driving, medicinal use and possible future policy options.

Cardiovascular Effects of Cannabis

One of the most consistent effects of cannabis intoxication is an increased heart rate[i]. For this reason alone it would not be normally recommended for patients with cardiovascular problems. However, THC also acts as a smooth-muscle relaxant, relaxing the walls of the arteries, which can result in lower blood pressure and increased blood flow to the tissues[ii][iii]. The effect taken together is analogous to a car changing down a gear.

Types of Cannabis Available in the UK

This article perhaps should now be titled - types of cannabis that used to be avaliable in the UK. It remains on our site for historical purposes. For a more up to date (2009) picture click here.

Independent Drug Monitoring Unit

Cannabis Information

How cannabis was criminalised.

Cannabis Use in Britain

Cardiovascular Effects of Cannabis

Types of Cannabis Available in the UK

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