Salt and smoking may interact to raise rheumatoid arthritis risk

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Salt and smoking may interact to raise rheumatoid arthritis risk

By Shereen Lehman NEW YORK (Reuters Health) - Eating a diet high in salt may increase the risk of rheumatoid arthritis among smokers, according to a large study from Sweden. Researchers set out to see if a salty diet might be linked to the onset of RA, but found a connection only among smokers ? who were more than twice as likely as anyone with a low-salt diet to develop the condition. ?Although we could not confirm our original hypothesis, we were surprised by the large influence of sodium intake on smoking as a risk factor,? Björn Sundström told Reuters Health in an email. ...

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