Crash diets, which promise rapid weight loss, are unhealthy and unsustainable. While crash diets lead to initial weight loss, this is primarily due to loss of water weight and muscle mass, not fat.

Fat loss improves metabolism and heart health, reducing the risk of chronic conditions. Muscle tissue burns more calories than fat tissue, boosting metabolism even at rest. Lowering body fat, ...

GLP-1 receptor agonists have reshaped obesity treatment, but a persistent question follows them into every exam room: Will this work for me? A new systematic review and meta-analysis published in JAMA ...