Tag: Intermittent fasting science

According to a 2025 systematic review published in *The BMJ*, intermittent fasting can be an effective weight-loss strategy, with results comparable to or even better than traditional calorie-restricted diets. The question, **is intermittent fasting scientifically proven?**, is complex, with research supporting its short-term benefits but still needing more data on long-term health outcomes.

According to research from Johns Hopkins neuroscientist Mark Mattson, the body exhausts its sugar stores and begins burning fat for fuel after hours without food. Understanding how much fat is burned in a 16 hour fast requires looking at the science behind metabolic switching and fuel source usage.