Doctors don’t know exactly what causes rheumatoid arthritis. But they know some things that could be risk factors.
Rheumatoid arthritis (RA) affects 1.3 million American adults, or around 1% of the total population.
Tumor necrosis factor (TNF) is a protein in your body that causes inflammation and helps coordinate the process.
Some research suggests that coffee might make your RA worse, while others don’t see a connection.
A lot of things you read about RA probably won’t even mention your gut health. There’s now evidence that it’s a factor.
Could rheumatoid arthritis shorten your lifespan? People with RA are living longer than ever before.