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More Vitamin E = Less Eczema?
Posted: July 22, 2010
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Although the study does not prove there is any cause and effect at work, it was more precise than earlier research, the authors note, because previous studies relied on food questionnaires. Such surveys can be somewhat unreliable because they depend on memory.
Yellow, red and orange fruits are rich in vitamin A and related compounds, while vitamin E is found in vegetable oils, nuts, and whole grains.
There are no commonly agreed-upon standards for levels of such compounds in the blood, but the U.S. recommended daily allowance of vitamin A is 2,000 international units (IUs) for this age group. The recommended daily allowance of vitamin E in the same age group is about 16 IUs.
It's not clear why vitamin E would lower the risk of eczema, but Okuda and his colleagues suggest that its antioxidant and immune-boosting effects might play a role.