Water Fasting: Is It Safe? Is It for You?

Key TakeawaysWater fasting appears to be relatively safe, but pounds are likely to come back quickly, a new evidence review saysPeople lost as much as 10% of their body weight by taking in only water for 10 to 20 days, studies showBut most people put the weight back on once they resume eating, unless they stick to a strict post-fasting dietWEDNESDAY, July 12, 2023 (HealthDay News) -- Water fasting has become one of the trendiest new weight-loss sensations, touted by former athletes and wellness gurus.But whatever weight is lost during a water fast can come back quickly, while other health benefits fade fast, according to a new review of the available scientific evidence.“I personally wouldn’t really recommend this diet,” said senior researcher Krista Varady, a professor of nutrition at the University of Illinois at Chicago. “I know it’s become popular for some reason, kind of out of nowhere, over the past year or so. But even if people maintain the weight loss, all the health benefits...