(NEW YORK) — Since she was in elementary school, Katherine Schreiber, 28, remembers struggling with body issues. Sometimes these feelings were so severe she felt she was “too ugly” to go to class.

A 23-year-old woman in eastern China has sparked widespread discussion on social media after revealing that intense exercise left her with hormone levels similar to those of a 50-year-old and caused ...

Physical exercise is one of the main recommendations for maintaining good health. However, when practiced compulsively and without control, it can become a problem: exercise addiction.

A University at Buffalo neuroscientist whose focus is the brain's reward system and its role in addiction is helping to illuminate how exercise can aid the brain in addiction recovery. Over the past ...

The woman said that as she increased the intensity of her workouts, her menstrual volume gradually decreased, and during her most recent cycle, bleeding lasted only around two hours. (Representational ...