Physiology and psychology cover, between them, the field of vital phenomena; they deal with the facts of life at large, and in particular with the facts of human life.
Bio: Rod Stryker is an American Yoga teacher. He is the founder of ParaYoga and the author of The Four Desires: Creating a Life of Purpose, Happiness, Prosperity, and Freedom. He has studied and taught yoga, tantra, and meditation for over thirty years.