The mysterious rise in knee osteoarthritis

Knee osteoarthritis is getting alarmingly common. Image of knee x-ray.

While there are more than 100 types of arthritis, osteoarthritis is by far the most common. Osteoarthritis is the form of joint disease that’s often called “wear-and-tear” or “age-related,” although it’s more complicated than that. While it tends to affect older adults, it is not a matter of “wearing out” your joints the way tires […]