Cannabis a stroke risk in young adults?

However, addiction medicine expert Dr Alex Wodak, president of the Australian Drug Law Reform Foundation, said the publicity given to the study demonstrated the “readiness or gullibility” of the media to accept poor quality data to talk up the risks of cannabis. 

The case-control study of 160 patients with ischaemic stroke or transient ischaemic attack (TIA) found 25 (15.6%) had positive cannabis drug screens after a urine test. Thirteen (8.1%) control patients tested positive. Most of the stroke patients who tested positive were male and also smoked tobacco.  

Author Professor Alan Barber, director of Auckland City Hospital stroke service, said although tobacco smoking was a confounding factor, they thought the association with cannabis was probably causal. 

Professor Barber, who presented the results (yet to be published) at the American Stroke Association’s International Stroke Conference in Hawaii last week, said

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