Jacob Teitelbaum, M.D. is a board certified internist and author of the popular free iPhone application “Cures A-Z,” which was ranked in the top 10 of all health/wellness downloads on iTunes. Dr. Teitelbaum is the author of the perennial bestseller From Fatigued to Fantastic! (Avery Penguin), which has sold over half a million copies; Pain Free 1-2-3 (McGraw-Hill); Three Steps to Happiness--Healing Through Joy (Deva Press); the Beat Sugar Addiction Now! series (Fair Winds Press); Real Cause, Real Cure—The 9 root causes of the most common health problems and how to solve them (Rodale Press); The Fatigue and Fibromyalgia Solution (Penguin/Avery);and his latest, The Complete Guide to Beating Sugar Addiction (Fair Winds Press, 2015).