ROBERT FRIED, Ph.D., is Professor of Biopsychology and head of the respiratory psychophysiology laboratory at Hunter College and a world-renowned expert in the treatment of stress and anxiety. He is the author of The Arginine Solution, The Hyperventilation Syndrome, and The Breath Connection, and is Director of the Stress and Biofeedback Clinic of the Ellis Institute for Rational Emotive Therapy in New York City, where he lives.