Vitamins and CAP Risk

In healthy young and middle-aged women, higher supplemental and dietary vitamin intake was not associated with lower risk for community-acquired pneumonia.

Studies examining whether vitamin supplementation reduces the risk for respiratory infections have produced conflicting results. To determine the effects of vitamin intake on risk for community-acquired pneumonia (CAP), researchers analyzed data from the Nurses’ Health Study II, a prospective cohort study involving 116,671 U.S. female registered nurses who were aged 25 to 42 at enrollment in 1989. Information on vitamin intake (both dietary and supplemental) has been collected by questionnaire every 4 years since 1991.

From June 1991 through May 2001, 925 new cases of nonfatal, physician-diagnosed CAP occurred among study participants. After adjusting for body-mass index, cigarette smoking, physical activity, and alcohol intake, the research…

Reviewing Author

Neil M. Ampel, MD

Vitamins and CAP Risk

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Reviewing Author