High school dietary dairy intake and teenage acne - 21/08/11
, Donna Spiegelman, ScD b, c, F. William Danby, MD f, A. Lindsay Frazier, MD d, e, Walter C. Willett, MD, DrPH a, c, e, Michelle D. Holmes, MD, DrPH e
Reprint requests: Clement A. Adebamowo, MD, ScD, Department of Nutrition, Harvard School of Public Health, 665 Huntington Ave, Boston, MA 02115.Boston, Massachusetts; Hanover, New Hampshire; and Ibadan, Nigeria
Abstract |
Background |
Previous studies suggest possible associations between Western diet and acne. We examined data from the Nurses Health Study II to retrospectively evaluate whether intakes of dairy foods during high school were associated with physician-diagnosed severe teenage acne.
Methods |
We studied 47,355 women who completed questionnaires on high school diet in 1998 and physician-diagnosed severe teenage acne in 1989. We estimated the prevalence ratios and 95% confidence intervals of acne history across categories of intakes.
Results |
After accounting for age, age at menarche, body mass index, and energy intake, the multivariate prevalence ratio (95% confidence intervals; P value for test of trend) of acne, comparing extreme categories of intake, were: 1.22 (1.03, 1.44; .002) for total milk; 1.12 (1.00, 1.25; .56) for whole milk; 1.16 (1.01, 1.34; .25) for low-fat milk; and 1.44 (1.21, 1.72; .003) for skim milk. Instant breakfast drink, sherbet, cottage cheese, and cream cheese were also positively associated with acne.
Conclusion |
We found a positive association with acne for intake of total milk and skim milk. We hypothesize that the association with milk may be because of the presence of hormones and bioactive molecules in milk.
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| Supported by CA50385, the main Nurses' Health Study II grant, and the Breast Cancer Research Foundation. The Nurses' Health Study II is supported for other specific projects by the following National Institutes of Health grants: CA67262, AG/CA14742, CA67883, CA65725, DK52866, HL64108, HL03804, DK59583, DK 36798, HL 57871, CA46475, NS035624, NICHD 40882, and HD40882. In addition, for activities related to the Nurses' Health Studies, we have received modest additional resources at various times and for varying periods since January 1, 1993, from the Alcoholic Beverage Medical Research Foundation, the American Cancer Society, Amgen, the California Prune Board, the Centers for Disease Control and Prevention, the Ellison Medical Foundation, the Florida Citrus Growers, the Glaucoma Medical Research Foundation, Hoffmann-LaRoche, Kellogg's, Lederle, the Massachusetts Department of Public Health, Mission Pharmacal, the National Dairy Council, Rhone Poulenc Rorer, the Robert Wood Johnson Foundation, Roche, Sandoz, the US Department of Agriculture, the US Department of Defense, the Wallace Genetics Fund, Wyeth-Ayerst, and private contributions. Conflicts of interest: None identified. |
Vol 52 - N° 2
P. 207-214 - février 2005 Retour au numéro
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