Erin Beresini is a journalist covering fitness, endurance sports, and health science. She is the author of ‘Off Course: Inside the Mad, Muddy World of Obstacle Course Racing.’ Last spring, among the ...

TikTok and Instagram are full of fitness misinformation for teens. Build muscle safely (and productively) with this BS-free, teen-focused program.

Nobody’s against fitness for children. But health secretary Robert F. Kennedy Jr.’s proposal to make physical activity a ...

Children are constantly surrounded by germs, which is why having a strong immune system is very important for sustaining good ...

Trump reinstates school fitness test, citing health crisis, but critics warn of body shaming and outdated methods.

Parents may worry that feeding fast food to their kids makes them “bad parents,” or that the food is “totally unhealthy.” But ...

Olympic gymnast Laurie Hernandez still shudders when she thinks about how her childhood coaches talked about her body. "As a young teen, I remember that any comments my coaches made about my body ...

Earlier this year, I started noticing monthly launches of body care as skin care: That is, body lotions and serums with ingredients like lactic acid, niacinamide, and vitamin C that are strong and ...