There has always been a dream that there could be a pill to replace exercise. New research suggests a molecule called betaine, naturally produced by the kidneys, may do just that. According to a new ...

Dr. Peter Attia's book "Outlive" argues that exercise is a powerful tool for longevity and quality of life. Poor cardiovascular fitness carries a greater relative risk of death than smoking, according ...

Exercise normally boosts the body’s ability to use oxygen, a key marker of health and longevity — but high blood sugar can block that benefit. Researchers found that a ketogenic diet helped mice ...

Research tracking thousands of adults found that staying fit lowered mortality and liver disease risk among drinkers—though ...

It can look almost too easy: athletes gliding along on a bike, runners shuffling at a pace slower than most people’s warm-up, or someone strolling so gently it barely seems like exercise at all. Yet ...