Our bodies are constantly breaking down. Over time, their built-in repair mechanisms also fail. Knee cartilage grinds away. Hip joints no longer support weight. Treatments for breast cancer and other ...

Every day, your body replaces billions of cells—and yet, your tissues stay perfectly organized. How is that possible? Subscribe to our newsletter for the latest sci-tech news updates. A team of ...

Higher levels of muscle fat were associated with increased odds of high blood pressure, poor blood sugar control, and unhealthy cholesterol levels. Higher lean muscle mass, on the other hand, was ...

Stem cells are among the most revolutionary discoveries in modern medicine. Their incredible ability to transform into ...

Medically reviewed by Brendan Camp, MD Key Takeaways The skin is the body's largest organ and helps protect internal organs ...