A 32-year-old member asked:
is rheumatoid arthritis actually hereditary?
2 doctor answers
Dr. Golder Wilson answered
Specializes in Clinical Genetics
Partly: Ra and other common diseases exhibit multifactorial determination--some genetic predisposition with modification by environemental factors.
Answered on Aug 10, 2013
Dr. Pierre Moeser answered
Specializes in Rheumatology
To some degree: Yes, genetic factors play a role in autoimmune diseases such as rheumatoid arthritis (ra). The strongest modifiable environmental factor found to date is smoking. Smoking dramatically increases your chance of developing RA if you are predisposed.
Answered on Jun 10, 2014
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