Muscle dysmorphia, or bigorexia, is increasing in kids. Here's are the warning signs, the risks, and what parents, caregivers, and coaches can do to help.

If you've ever wondered why specific exercises feel way tougher even when the weight isn't massive, science has some answers. It all comes down to how your body ...

Kids who have body and muscle dysmorphia may also take supplements, which can carry dangerous side effects.