Although it can start at any age, knee pain becomes more of an issue as we get older. As we age, the tissues become less pliable, brittle, weaker, and more prone to injury.

The knee is the largest and most complex joint in the body. It consists of the lower end of the thigh bone, or femur; the ...

Over time, knee cartilage can deteriorate due to years of wear and tear. Since the knees take an enormous amount of pressure and stress as we move about, cartilage loss can lead to disabling knee pain ...

Neighborhood disadvantage is linked to worse sleep efficiency among patients with or at risk of developing knee OA, which has an indirect effect on pain severity.

More Jason Hanna/Getty Images According to a report from Ian Rapoport of NFL Network, Dell has suffered a dislocated knee cap and could require surgery. "Texans WR Tank Dell suffered a dislocated ...