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Fatty fish, like salmon, mackerel, and sardines, are well-known for keeping your heart healthy. Studies also suggest that regular fish eaters also stay sharper, have lower rates of depression, and tend to live longer.
The apparent relationship between fatty fish and good health has largely been attributed to the fact that they’re rich in omega-3 fatty acids, which are anti-inflammatory. Might that translate to protecting against inflammatory autoimmune disorders like rheumatoid arthritis (RA)?
The answer, in short, is no.
In a new study, published in the journal BMC Musculoskeletal Disorders, researchers analyzed data on more than 166,000 participants in the Nurses’ Health Study and the Nurses’ Health Study II. They found that there was “no clear protective effect of fish or marine omega-3 fatty acid intake on RA risk.”
One slight caveat is that the researchers did find that current and former smokers who ate the most fish were slightly less likely to develop RA compared to smokers and ex-smokers who rarely ate fish.
Smoking is considered a major risk factor for RA, and getting plenty of omega-3s might help to mitigate (but not eliminate) the danger.
This was not the first study to examine the connection between fish consumption and RA, and earlier studies have reached different conclusions.
“Several case-control studies suggested that fish intake, particularly dark meat/oil fish, was associated with decreased RA risk,” the authors of the new study noted. “These [older] studies may have been limited due to recall bias and were conducted in coastal geographic areas with high fish intake (U.S. Pacific Northwest, Greece, and Sweden).”
While omega-3s might not help prevent RA, that doesn’t mean that you should skimp on them if you already have this disease. In fact, eating ample fish or taking a fish oil supplement (ask your doctor first) might help with pain and swelling and increase your chances of reaching (and staying in) remission.
Keep Reading
- 8 Anti-Inflammatory Foods for Arthritis Nutritionists Want You to Eat More Often
- Vitamins and Supplements for Inflammatory Arthritis That Doctors Approve
- Preclinical Rheumatoid Arthritis: What Is It, Exactly?