Intermittent Fasting...Yes or No? Intermittent fasting, keto, paleo, south beach, (insert newest fad here) all "work" IF AND ONLY IF one requirement is met-- Energy Balance...Calories in vs calories out. There is NO diet in existence or even possibly in existence until the laws of thermodynamics are invalidated that avoids this requirement. If one of those models works well for you, and helps you take in fewer calories than you expend, awesome! We use lots of tools in our toolbox, and I love having options that help people fit the energy balance requirement into real life. I am not against any diet model which helps someone achieve that. HOWEVER, our approach here at 15 Minute.Fitness focuses on one thing that most diet models do not. We make a distinction between "losing weight" and "losing fat". All "weight loss" is not equal. We hold to the long-term strategy that the only way to ultimately free yourself from the yo-yo diet loop that most...