Fitness

Motion is the new potion, and rest is no longer the best

Milliseconds of variability, now detected by fitness watches, can improve well-being

Scientists look to genetics to explain why GLP-1 drugs work for some people but not for others

A new study finds that even elite endurance athletes run up against a hard metabolic ceiling

A new study suggests that permanent standard time may reduce obesity and stroke

Whether intermittent fasting helps anyone is unclear, but it does have known health risks. Who can try the dieting trend, and who should avoid it?

A workout boosts the fitness of your gut microbiome. This creates molecules that aid your immune system, metabolism, and more

Author Casey Johnston presents a new way to think about fitness in her new book A Physical Education

Instead of using the controversial body mass index, or BMI, to assess weight, an international group of scientists proposes an approach that looks at how excess body fat affects health

The latest research is an antidote to toxic quackery and honest confusion about health

A new study suggests that waves of aging-related changes occur at two distinct points in our life

Tai Chi, yoga, water exercises and other low-impact workouts may help prevent severe falls among older adults