Cannabis linked to testicular cancer

Scientists find heavy use of marijuana can double risk of tumours among men
By Jeremy Laurance, Health editor
Monday, 9 February 2009

The soaring rate of testicular cancer in the UK and other Western countries is linked today to the increased popularity of cannabis. Testicular cancer has more than doubled over the past 30 years and its rise parallels that of the use of cannabis, Britain's most popular illegal drug.

Researchers in the US have found that men who regularly smoke cannabis have a 70 per cent increased risk of testicular cancer. The risk was highest – twice that of those who never used the drug – in those who smoked it at least once a week or had a long history of use, beginning in adolescence. the rest