Explained is a series of short videos, where Northside experts give explanations to common health questions.
Arthritis is a condition that affects millions of people every year. It is a deterioration of the joints.
A joint is the place where two or more bones meet. Joint surfaces are smooth, but those surfaces wear over time and can become rough, causing pain, swelling and limited movement.
In this video, orthopedic surgeon Dr. Mike Gottsman explains why our joints deteriorate and lead to arthritis.