Letter To The Guardian: Prof D Nutt and Prof Ilana Crome respond to an article about the dangers of cannabis-induced psychosis in vulnerable people

Cannabis Letters How prohibition-based policies caused a cannabis problem Your article correctly raised concerns about the harms of higher-strength cannabis on people vulnerable to psychosis (‘I’d run down the road thinking I was God’: a day at the cannabis psychosis clinic, 16 November). However, it didn’t explain how previous prohibition‑based policies designed to reduce cannabis […]