Sometimes called "the vine of the dead," this thick-rooted plant grows long leaves and small flowers. The ayahuasca receives its psychoactive properties from the chemical harmaline, a compound ...

Growing numbers of tourists are travelling to the Peruvian Amazon to drink ayahuasca, a traditional plant medicine said to bring about a higher state of consciousness. Foreigners come looking for ...

Mad honey from Nepal and Turkey isn't named for the crazy risk takers who gather it from mountain cliffs, but for the ...