Nutrition and Exercise — Health

Editorial package on the Health page of nationalgeographic.com

Stories: When does exercise stop making you stronger—and start causing damage? — Scientists are uncovering the biological tipping point between building muscle and rhabdomyolysis, a rare but potentially life-threatening form of muscle breakdown.; A walk after eating can change how the brain and body respond to food — Studies show that even gentle post-meal movement can influence blood sugar control and gut-brain signaling, helping the body process nutrients more efficiently.; Why this fast-growing sport is an effective workout for both brain and body — Compared to tennis or pickleball, the sport’s smaller courts and longer rallies increase aerobic engagement and decision-making without sharply raising physical strain.; Why some types of sugar are better than others — There are at least 61 different monikers for sugar. Here’s how to tell which ones to cut down on—and which may be healthier than you think.; What intermittent fasting really does for your body and brain — Fasting has been shown to reduce blood pressure, improve cognition, and even reverse chronic disease. But experts say the benefits may not apply to everyone.; Thinking about taking creatine? Here’s why experts say it’s worth it — Creatine has long been a workout staple, but scientists say its benefits go beyond fitness.