Sleep Duration Affects Risk For Ulcerative Colitis
Researchers conducted a prospective study of women who were enrolled in the Nurses' Health Study (NHS) I since 1976 and NHS II since 1989 and followed through detailed biennial questionnaires with greater than 90 percent follow-up. The large size of the cohorts, prospective design and prolonged duration of follow-up provide a unique opportunity to examine the association between sleep duration and incident disease with sufficient power to adjust for potential confounders.
The results demonstrated that there is a "U-shaped" relationship between sleep duration and risk of ulcerative colitis, with both short and long duration of sleep being associated with an increased risk of disease. These observed associations were independent of other known environmental risk factors.
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Sleep Duration Affects Risk For Ulcerative Colitis
Saturday, November 29, 2014
health
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