Rheumatoid arthritis and osteoarthritis

Rheumatoid Arthritis: Rheumatoid arthritis and osteoarthritis Do They Differ? Osteoarthritis is the most common type of arthritis while rheumatoid arthritis is the most crippling. Explore their causes, symptoms, and treatments. But what are the significant differences between them?

Osteoarthritis is also referred to as a degenerative joint disease or wear-and-tear arthritis. It is caused by the breakdown of joint cartilage, a cushion between the bones that form a joint. Usually, osteoarthritis begins in a single joint. Affecting over 27 million people in the United States, osteoarthritis is most common in people older than age 65. All races in the U.

According to the American College of Rheumatology, 70 percent of people over the age of 70 have x-ray evidence of osteoarthritis. Multiple joints are usually involved with rheumatoid arthritis. 5 million people in the U. About 75 percent of rheumatoid arthritis patients are women. Men, women, and even children can develop rheumatoid arthritis, though.

Typically, disease onset for rheumatoid arthritis occurs between 30 and 60 years of age and the majority have no family history of it. When it occurs in men it usually strikes later in life. Osteoarthritis is a joint disease which affects the cartilage. Scientific conclusions about its causes are evolving away from simply being wear-and-tear or the effects of aging. Moreover, water content of cartilage initially increases with osteoarthritis while protein composition of cartilage steadily degenerates.