“A woman's risk of developing multiple sclerosis (MS) during her lifetime is doubled if she was obese at age 18, new research shows. ‘This is the first study to link MS risk with obesity,’ study co-author Dr. Kassandra L. Munger of the Harvard School of Public Health in Boston told Reuters Health in a telephone interview. Munger and her colleagues studied women enrolled in the Nurses' Health Study and Nurses' Health Study II over a 40 year period. Participants answered questions throughout the study about weight, height, body size, smoking and exercise habits, and disease status. Among the more than 200,000 participants in the two groups, there were 593 cases of MS. The study found no association between MS risk and having a large body size at ages 5 and 10 or as an adult. However, obesity at age 18 was associated with a greater than twofold increased risk of MS and a large body size at age 20 was associated with a 96% increased...
http://www.reutershealth.com/archive/2009/11/20/eline/links/20091120elin006.html
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