Adverts often claim that their product is scientifically tested. What does this actually mean? This article explains the testing process a medicine usually has to go through before reputable regulatory authorities approve it as a treatment for a disease.

Western Cape Premier Helen Zille and Minister of Health Aaron Motsoaledi have both come out in support of drug testing in schools. Their intentions are undoubtedly noble. But will this policy actually work? Theshia Naidoo and Daniel Robelo of the Drug Policy Alliance argue that the evidence from the United States experience shows that compulsory drug testing in schools is potentially harmful.