"How can these euphoric states be induced by drugs? Consciousness can be released from inhibition by sedative drugs (e.g. alcohol), it can be directly expanded and enlarged by stimulating drugs (e.g. cocaine), and a variety of ´religious feelings´ can be induced by dissociative drugs such as ayahuasca, marijuana, peyote, or LSD. The similarity between the effects of Yoga and drugs might be the basis for using Yoga as a potent therapeutic device in this field.
Some of the beneficial therapeutic effects of Yoga can be seen as (predicted) byproducts of Yoga practice, which are attained on the way to higher stages of consciousness.
It seems that in therapeutic settings, Yoga practice is quite prevalent but there is still a scarcity of empirical studies that measure its effectiveness in the treatment of different disorders and examine differential effects of Yoga versus conventional therapeutic approaches ..."