Rheumatoid arthritis is a common disease affecting an estimated 17 million people worldwide. The disease is caused by immune cells attacking the joints and can result in pain, swelling, and damage to the cartilage and bone. People with rheumatoid arthritis often develop osteoporosis, a more serious condition, as a result of the bone damage caused by immune cells and as a side effect of certain medications.
This article was originally published on MedicalXpress.com