## Cannabis users were twice as likely to commit violence, review finds A large review led by researchers at King's College London has found that people who use cannabis are more likely both to commit violent acts and to experience violence themselves. Researchers from the Institute of Psychiatry, Psychology & Neuroscience (IoPPN) combined data from 63 studies involving more than 265,000 people. They analyzed the general population separately from people receiving psychiatric care. What the Review Examined The researchers used the World Health Organization's broad definition of violence,…