I learned the hard way that cartilage problems can sideline even the toughest athletes. During my NFL career, I went through more than a few knee surgeries and dealt with the frustration of being told ...

The body is pretty good at repairing itself, but some parts of our anatomy struggle to bounce back after an injury. One such material is cartilage – the spongy yet firm connective tissue that keeps ...

Replacing cartilage is a stubborn problem, but new research shows a few potential paths forward. Millions of U.S. residents—perhaps up to 3 percent of the population—have an artificial hip, knee, or ...

Scientists have long assumed that once the smooth cartilage in a damaged knee wears away, the body has little chance of restoring it. A new line of research is challenging that assumption by showing ...

Your knees crack when you stand up, but you dismiss it as normal aging or leftover effects from old sports injuries. However, researchers have discovered that certain knee cracking patterns can ...