Rheumatoid arthritis is an inflammatory condition that affects the joints and other parts of the body. The exact causes are unclear, but certain factors increase a person's risk.
1. Genetics factors:
If a close family member has RA, a person may have a higher risk of developing it themselves.
According to the Centers for Disease Control and Prevention (CDC), women are 2-3 times more likely to develop RA than men.
Anyone can develop RA, but the risk increases with age. It is most likely to start when a person is in their 60s, according to the CDC.
Regular smokers have a significantly higher risk of developing RA than nonsmokers. Results of studies indicate that smoking may change the body's immune response.
Causes RA symptoms to flare up.
The CDC report a link between Obesity and risk of developing RA.
7. Early life factors:
Growing up with exposure to certain triggers, such as cigarette smoking, can increase a person's risk of developing RA later in life.
8.Previous infection :
In 2013, researchers suggested that infection may result in RA .Some research indicates that the following infections may contribute to RA:-
a. Urinary tract infections
b. Periodontal disease infections
c. Gastrointestinal or genitourinary infections
9. Gut bacteria:
Researchers proposed that P. copri, a type of bacteria may play a role in inflammation, that can trigger RA.
Some researchers have suggested that certain substances in foods can trigger the onset of RA.
Source: Medical News Today