Take the guesswork (and fear) out of fasting with real-life and expert advice.In recent years, intermittent fasting--restricting calorie intake for a set number of hours or days--has become an increasingly popular diet strategy. While some in the medical community initially dismissed the idea as a dangerous fad, recent research not only validates the safety of fasting for weight loss but also offers compelling evidence of wide-ranging health benefits, from reversal of diabetes and other metabolic disorders to enhanced cognitive function and increased longevity.But for many who are eager to try out fasting, the regimen can feel a bit intimidating. After all, abstaining from food doesn't sound like much fun. People rightly wonder: How often can I eat? Will I be able to focus at work? Will I have enough energy to exercise? And perhaps the most concerning question of all: Won't I be hungry all the time?! Enter Dr. Jason Fung--world-renowned fasting expert--his colleague, Megan Ramos, and Eve Mayer, who has experienced the life-changing benefits of fasting through Dr. Fung's program. Together, they've teamed up to write a one-of-a-kind guide that answers the most common questions people have about fasting--and offers a customizable program that provides real results.