Regulate Cannabis Potency to Reduce Psychosis Risk, Experts Say

Policymakers should regulate the potency of cannabis products such as skunk and oil, aiming for a chemical balance that reduces the risk of psychosis without losing the drug's pleasurable effects, experts said on Thursday.

With cannabis laws becoming more liberalized in many countries - particularly the United States - there is also an urgent need for more detailed and accurate scientific studies to explore how cannabis use can be made safer, the experts said.

"Worldwide there is a trend towards liberalization and increasing consumption," said Robin Murray, a professor at King College's London's the Institute of Psychiatry, Psychology and Neuroscience.

"More people are going to be smoking cannabis, whether we like it or not, so we want to explore whether there are safer varieties," he told reporters at a briefing in London.

While most users of old-style herbal and resin cannabis are unlikely to suffer mental health problems, recent studies...

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