Sunday, April 03, 2005

Cannabis medicine 'causes harm'

Cannabis-based medicines can cause paranoia and anxiety in some people, a study has suggested.

Swiss researchers found two out of eight men given drugs containing THC, a chemical extracted from cannabis, developed psychotic effects.

The University of Lausanne team said the public needed to be aware cannabis medicine could have such side effects.

The possibility of using THC to treat multiple sclerosis and pain relief is currently being explored.

GW Pharmaceuticals, the firm granted a UK licence to develop cannabis-based drugs, said: "The levels of THC used in this study would not be used in our medicines.

"We, and everyone else in this field, are aware that THC can lead to psychosis."

Source BBC News

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