Proportion of patients in south London with first-episode psychosis attributable to use of high potency cannabis: a case-control study

2/15/15–The risk of individuals having adverse effects from drug use (eg, discount alcohol) generally depends on the frequency of use and potency of the drug used. This study aimed to investigate how frequent use of skunk-like (high-potency) cannabis in south London affected the association between cannabis and psychotic disorders. Read