Most people think of weight loss as a math problem: calories in versus calories out. In reality, your body sees it as a survival threat. When calorie intake falls or body fat decreases, biological ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: Body composition offers a clearer picture of health than weight alone, because it reflects your unique proportions of fat, muscle, bone, ...

Body composition offers a clearer picture of health than weight alone, because it reflects your unique proportions of fat, muscle, bone, and water. Optimizing body composition may help support energy ...