Psilocybin

In this Aug. 3, 2007, file photo, psilocybin mushrooms are seen in a grow room at the Procare farm in Hazerswoude, central Netherlands. 
Medicine
Study: ‘Magic’ mushrooms show promise for treating severe depression
In this April 13, 2010, photo, one gram of psilocybin, the psychoactive ingredient in hallucinogenic mushrooms, is seen on a scale at New York University in New York. 
Health & Medicine
This Canadian company is betting big on the ‘psychedelic renaissance’
Flickr out of body
Medicine
Could magic mushrooms become a new drug for hospice care?
Environment
Scientists explore benefits of hallucinogens for psychological disorders