What are risk factors?
Risk factors are things that increase your chance of deveoping a disease or condition, and they can be genetic or environmental. The exact cause of rheumatoid arthritis isn’t known, but certain risk factors may increase your risk. Risk factors increase the chances of you developing a disease or condition. Having one or more risk factors for rheumatoid arthritis (RA) doesn’t mean you're going to develop it, but it does mean you're more likely to than someone who doesn’t share the risk factors. Risk factors can be genetic or environmental.