At least some recreational users of illegal drugs may choose not to take them if tests show the pills are adulterated or fake, shows data collected over five years by volunteers who tested pills free of charge at music festivals and raves across the United States. The results also revealed that pills/powder sold as “Molly” – believed by users to be a purer and safer version of the illegal stimulant drug MDMA – contained as many harmful additives as the version known as Ecstasy. Read more