Fatty fish can halve rheumatoid arthritis

A regular weekly portion of fatty fish, such as salmon, or four servings of lean fish, such as cod, can halve the risk of developing rheumatoid arthritis (RA), a large study published online in the Annals of the Rheumatic Diseases has found. The benefits of a fishy diet, which needs to be kept up for at least a decade, are largely attributable to its long-chain omega 3 polyunsaturated fatty acid (PUFA) content, confirmed the researchers. The team from the Karolinska Institute in Sweden collected information on the dietary habits of more than 32,000 women born between 1914 and 1948, whose…