Always Hungry?: Conquer Cravings, Retrain Your Fat Cells, and Lose Weight Permanently

David S. Ludwig, MD, PhD, is a practicing endocrinologist and researcher at Boston Children's Hospital, Professor of Pediatrics at Harvard Medical School, and Professor of Nutrition at Harvard School of Public Health. Described as an "obesity warrior" by Time magazine, Dr. Ludwig has been featured in the New York Times and on NPR, ABC, NBC, CBS, and CNN, among others.

"Once in a generation a scientist comes along who tells a new story about why we are sick and how we can heal. Dr. David Ludwig is that scientist. Always Hungry? is a powerful book that breaks apart every myth about weight loss, and explains for the first time why we get fat and why we are always hungry. If you want to end once and for all your struggles with weight, then read this book, and follow its guidance." --Mark Hyman, MD, director, Cleveland Clinic Center for Functional Medicine, and #1 New York Times best-selling author of The Blood Sugar Solution

"David Ludwig is one of the very few voices of true authority in the world of obesity. This book goes to the heart of the underlying cause of weight gain--being constantly hungry. If you care about your health future, then this is the one book you should read and pay careful attention to." --Dr. Barry Sears, #1 New York Times bestselling author of The Zone

"Always Hungry? will cause a much needed seismic shift in the way we think about weight loss. Prepare to change your health for the better." --Andrew Weil, MD, founder and director of the Arizona Center for Integrative Medicine, University of Arizona

"Always Hungry? deftly explores the science underlying why we make our food choices. And this information, so well presented, is a game-changer. Dr. Ludwig's dietary plan lets you look upon food with passionate embrace as the fundamental key to changing your health destiny." --David Perlmutter, MD, New York Times bestselling author of Brain Maker

"Finally, an explanation for why so many people have failed in dieting, and a roadmap for how to improve metabolism, curb hunger, and lose weight successfully. Dr. Ludwig's book is not only instructive, it is life-transforming." --Francine Kaufman, MD, past president, American Diabetes Association and author of Diabesity

"Dr. Ludwig explains why throwing out our calorie-counters and paying more attention to the quality of our diets can result in a healthier weight, and to more enjoyment from eating at the same time. This is a must-read for anyone who has struggled to maintain a healthy weight." --Professor Walter Willett, Harvard T.H. Chan School of Public Health and New York Timesbestselling author of Eat, Drink, and Be Healthy

"Finally, after decades of portion control, counting calories, and low-fat diets, a weight loss book based on modern science. All calories are not created equal, and all diet books are not the same: Always Hungry? sets a new standard for successful, healthy weight loss." --Dariush Mozaffarian, MD DrPH dean, Tufts Friedman School of Nutrition Science & Policy

"Starving yourself and over-exercising makes you weak, not thin. Learn from a leading voice in nutrition how to strategically use food to permanently end cravings. You'll never worry about calories again." --Dave Asprey, New York Times bestselling author and founder of Bulletproof Coffee

"In Always Hungry?, world renowned endocrinologist and researcher David Ludwig explains in clear, accessible language what has made Americans so fat and what we can do to reverse the obesity epidemic for our ourselves, our children and our nation. This is a must-read!" --Arthur Agatston, MD, author of the New York Times bestseller The South Beach Diet

"David Ludwig's work is an inspiration. He clearly shows you can lose weight without being hungry by focusing on what you eat, not how much you eat. Read Always Hungry? if you want to lose weight without the struggle." --Louis Aronne, MD, past president of The Obesity Society and author of Change your Biology Diet