Diet rich in foods with Vitamin E may reduce Alzheimer’s disease risk

January, 2002

Two studies have come out in favor of a diet rich in foods containing vitamin E to help protect against Alzheimer's disease. One study involved 815 Chicago residents age 65 and older with no initial symptoms of mental decline, who were questioned about their eating habits and followed for an average of about four years. When factors like age and education were taken into account, those eating the most vitamin E-rich foods had a lower risk of developing Alzheimer’s, provided they did not have the ApoE e4 allele. This was not true when vitamin E was taken as a supplement. Intake of vitamin C and beta carotene appeared protective, but not at a statistically significant level. The other study involved 5,395 people in the Netherlands age 55 and older who were followed for an average of six years. Those with high intakes of vitamins E and C were less likely to become afflicted with Alzheimer's, regardless of whether they had the gene variation. This association was most pronounced for current smokers, for whom beta carotene also seemed to be protective. A number of clinical trials are underway to further investigate these links.

Reference: 

Engelhart, M.J., Geerlings, M.I., Ruitenberg, A., van Swieten, J.C., Hofman, A., Witteman, J.C.M. & Breteler, M.M.B. 2002. Dietary Intake of Antioxidants and Risk of Alzheimer Disease. JAMA, 287, 3223-3229. Morris, M.C., Evans, D.A., Bienias, J.L., Tangney, C.C., Bennett, D.A., Aggarwal, N., Wilson, R.S. & Scherr, P.A. 2002. Dietary Intake of Antioxidant Nutrients and the Risk of Incident Alzheimer Disease in a Biracial Community Study. JAMA, 287, 3230-3237.

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