Study finds that a form of APOE, a protein linked to Alzheimer’s, degrades cartilage. The findings could shed light on the cause of osteoarthritis.

No, cracking your knuckles won’t cause arthritis. The available evidence suggests there are few if any long-term side effects to worry about, according to the Cleveland Clinic.

The causes of arthritis can be put into one of several buckets. Let’s look at these now. Osteoarthritis is the most common type of arthritis.

Anyone who suffers from osteoarthritis knows the symptoms all too well—joint pain and stiffness, loss of flexibility, a decreased range of motion, especially around the knees and hips. And with ...