Ayahuasca, the Psychedelic Antidepressant?

A traditional Amazonian psychedelic brew is an effective and rapid-acting antidepressant, according to a paper just published. But the new study revives some long-standing questions.Ayahuasca is a mixture of herbs, traditionally used for spiritual and therapeutic purposes. The main active ingredients are N,N-DMT, a potent psychedelic, and several molecules that inhibit the enzyme MAO. The MAO inhibitors serve to prevent the N,N-DMT from being broken down by the digestive system, allowing