In the last decade, researchers at Johns Hopkins University and elsewhere have launched new studies investigating whether psychedelic drugs, from shrooms to LSD to DMT, can treat mental disorders ranging from depression and PTSD to anxiety and obsessive-compulsive disorder....

What is San Pedro? San Pedro cactus (Trichocereus pachanoi), otherwise known as the Cactus of the Four Winds, Huachuma or Saint Peter’s Cactus, is a fast growing columnar cactus native to the Andes Mountains – which can grow up to...

Most anyone with a decent interest in psychedelics knows of the late Terence McKenna, the famous American philosopher and “mushroom guru.” Fewer people are aware that his brother Dennis McKenna is still alive and kicking. The other McKenna is an ethnopharmacologist, research pharmacognosist,...

As the source of the most powerful natural hallucinogen known, salvia is drawing scrutiny from U.S. authorities who want to restrict this Mexican herb, now used recreation­ally by some. But neuro­scientists worry that controlling it before studies have determined...

Ayahuasca is an ancient psychedelic plant medicine that has been used by shamans in South America for centuries. It is a brew that is made by boiling the leaves and vines of specific plants from the amazonian jungle. Today,...