Medicine
Understanding Artificial Joints
Quick fact
The first modern artificial hip replacement was performed in 1962 by Sir John Charnley, and today over 1 million total hip and knee replacements are done annually in the United States alone.
Why this is interesting
Millions of people every year feel the grinding pain of a worn-out hip or knee. But what if that joint could be replaced with something man-made, lasting decades and letting you walk again without pain?