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John Hastings

John Hastings is a writer and editor with 20 years of experience covering health, fitness, nutrition, and medicine in various publications including O, The Oprah Magazine , Prevention , Health , and at Reader's Digest. He is the co-author for ChangeOne . He lives with his family in the suburbs of New York City. Lori Mosca, MD, MPH, PhD , is Professor of Medicine at Columbia University Medical Center and Director of Preventative Cardiology at New York-Presbyterian Hospital. She is Principal...See more