Benefits include stress reducer, improving performance, enhancing self-esteem, promoting creativity, strengthening the immune system, improving ability to negotiate and make decisions, increases breathing rate, clears mucus from lungs, increases oxygen delivered to cells, stimulates enzymes that function as natural laxatives, and improves digestion. (Hafen, Brent Q., et al. Mind/Body Health. p 541-560. MA: Simon & Schuster, 1996.)