Smoking may increase risk of MS

http://www.msnbc.msn.com/id/36234286/ns/health-health_care/

updated 7:28 p.m. ET, Wed., April 7, 2010
WASHINGTON - Smoking may increase the risk of multiple sclerosis in people who have other risk factors for the neurological disorder, researchers said Wednesday.

The findings suggest that smokers who have high levels of a protein that protects against the Epstein-Barr virus, a common herpes virus, were twice as likely as nonsmokers to get multiple sclerosis (MS), the researchers wrote in the online edition of the journal Neurology.

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