Deepak Chopra, M. D.

In this segment, Deepak describes the effect of a deep spiritual experience. According to the ancient wisdom traditions of India, when you get in touch with your spirit, you experience love, knowingness/intuition and happiness. In physical terms, this means that your body produces serotonin and dopamine - the happy hormones; oxytocin - the pleasure hormone, and opiates - which provide a feeling of intoxication and help regulate the immune system.

Deepak Chopra: "In scientific terms, there's a potential inside you which gives rise to both the observer and the observed, and the whole process of observation. So, you know, spirit is what I'm observing, spirit is what I'm processing my observation through, which is my mind, and spirit is the observer that is doing the observing..."