5 Types of Arthritis You’ve Never Heard Of

Arthritis literally means “joint inflammation” and the term is an umbrella that includes 100 different conditions under it. Many people believe that arthritis is just one disease that you get once you are older, but that’s just not true. Some types of arthritis are hereditary, some are autoimmune disorders, and some develop after trauma to the joint. You’ve probably heard of osteoarthritis, rheumatoid arthritis, …