8 July 2019
After seven US states legalised recreational use of marijuana, teenagers reported less use of the drug in anonymous surveys, perhaps because legal dispensaries require proof of age
18 July 2018
The UK looks set to become the latest place to legalise medical cannabis. But with its use sweeping the world, many questions remain about what it does and how
6 June 2018
Crack downs on psychedelic substances are failing to protect people from harm. Drug tests at festivals and nightclubs to check they are legit could be a better way
20 February 2018
Psilocybin, a compound in magic mushrooms, may help treat depression in some people. Now speech analysis can indicate who would benefit the most
22 November 2017
The healing powers of illegal drugs like MDMA and psilocybin are finally living up to the hype – and they are already transforming our view of mental illness
18 August 2017
Doing science with psychedelics has unique challenges, but the rewards could be mind-blowing. New Scientist looks at the state of play as things begin to ramp up
14 June 2017
Janet Lai Chang is one of many people experimenting with taking small amounts of psychedelic drugs to improve her mood and performance. She told us about her experience
