Timothy McCall, M.D. is a board-certified internist, the Medical Editor of Yoga Journal and the author of two books, Yoga as Medicine: The Yogic Prescription for Health and Healing and Examining Your Doctor: A Patient’s Guide to Avoiding Harmful Medical Care. His articles have appeared in dozens of publications including the New England Journal of Medicine, the Journal of the American Medical Association (JAMA), Public Citizen’s Health Letter, American Health, Redbook, the Boston Globe, the Philadelphia Inquirer and the Los Angeles Times. His column appeared monthly in the newsletter Bottom Line Health from 1995 to 2003. From 1996-2001 his medical commentaries were featured on the public radio program Marketplace.

Timothy is a Phi Beta Kappa graduate of the University of Wisconsin in Madison where he also attended medical school. After completing his residency in primary care internal medicine, he practiced for more than 10 years in the Boston area before devoting himself full time to writing. His main focus since the year 2000 has been investigating the therapeutic aspects of yoga, as well as the scientific explanations of yoga’s effects. He currently lives in the San Francisco Bay area.