Add Yahoo as a preferred source to see more of our stories on Google. NBC News medical contributor Dr. Natalie Azar, and board-certified clinical specialist in orthopedic physical therapy Karena Wu, ...

Rheumatoid arthritis, also known as RA, affects an estimated 1.3 million people in the United States. Beyond this staggering statistic lies a complex reality: each person's experience with RA is ...

Rheumatoid arthritis (RA) commonly causes fatigue and pain, stiffness, and swelling in your joints. Roughly 40% of people also experience one or more symptoms in areas outside the joint. These ...

Arthritis is a complex and often misunderstood condition that affects millions of individuals worldwide. It is not a single disease but rather an umbrella term that encompasses over 100 types of joint ...

Rheumatoid arthritis is associated with an atypical immune response called a type 3 hypersensitivity reaction. This reaction happens due to immune complexes in the body. It can be treated by ...

RA may increase the likelihood of experiencing diarrhea due to medication side effects, the presence of other autoimmune conditions, or complications like rheumatoid vasculitis and AA amyloidosis. Gut ...

Rheumatoid arthritis (RA) is a chronic autoimmune disorder that causes inflammation, pain, and stiffness in the joints. But RA is a systemic disease — it affects the whole body — and can damage ...

Managing symptoms of rheumatoid arthritis may require trying different medicines to see what works best for you and your symptoms. The approval of Xeljanz has led to changes in how rheumatoid ...

NBC News medical contributor Dr. Natalie Azar, and board-certified clinical specialist in orthopedic physical therapy Karena Wu, join TODAY with what you need to know about arthritis, including the ...