High time that we relaxed the rules on cannabis use

One of the wisdoms of our healthcare system is its evidence-based approach to the use of medicines, which also helps make rational decisions on health economics (Javid announces review into use of medicinal cannabis, 20 June).Its legal status makes it difficult for manufacturers to conduct trials and some potential medicines have not reached the market, partly due to insufficient numbers and partly because clearly it doesn’t work for everyone.All medicines can be dangerous when used incorr