What are the potential beneficial effects of taking vitamin E (alpha-tocopherol) supplements? (Select all that apply.)
a. Delayed progression of macular degenera-tion
b. Improved blood clotting
c. Lowered risk of developing Alzheimer's disease
d. Reduced risk of cardiovascular disease
e. Reduced risk of colds in elderly patients
A, E
Studies to determine the potential benefits of vitamin E supplements show a decreased risk of colds in elderly patients when vitamin E is combined with vitamin C, beta-carotene, zinc, and copper, and a potential delay in the progression of macular degeneration. Vitamin E may actually increase the risk of bleeding. Studies have not shown a decrease in the risk of Alzheimer's dis-ease or cardiovascular disease.
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