Rheumatoid arthritis is caused by the immune system mistakenly attacks itself and the trigger is still unknown.
Normal immune system should make use of the antibodies to attack viruses and bacteria. But the immune system in patients with rheumatoid arthritis actually sends antibodies to attack the network layer to the joints around the joints and causes inflammation and pain. In joint tissue, rheumatoid arthritis causing damage around the tendons, ligaments, and bones.
The risk factors
Although the trigger of rheumatoid arthritis is unknown, but there are some factors that can increase the risk of rheumatoid arthritis, among others:
Age. Most people with rheumatoid arthritis aged 40 years and above, but can also infect people at any age.
Gender. Men are rarely affected by this disease than women.
Genetics. Although small, have a family member who suffers from rheumatoid arthritis increases a person’s risk for developing the disease as well.
Smoke. Smoking can lead to various diseases and bad habits can increase the risk of rheumatoid arthritis.
Obesity. Someone with more weight have a higher risk of rheumatoid arthritis, especially women under 55 years of age.
Environment. Although not yet fully proven, environmental factors can cause a person stricken with rheumatoid arthritis as it relates to the strength of the immune system.