Do vitamins C and E affect respiratory infections?
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Описание:
Regular vitamin C supplementation shortens the duration of common cold infections. Although vitamin C has no preventive effect in the general community, it may reduce the incidence of respiratory symptoms in restricted population groups such as people under acute physical stress and people with a particularly low dietary intake of vitamin C. Given the reported benefits, it is puzzling that major textbooks have rejected the possibility that vitamin C might be beneficial against colds. In this study, it is shown that the most influential reviews on vitamin C and the common cold, cited in the major textbooks, contain numerous errors. Vitamin E supplementation has no overall effect on the incidence of the common cold or pneumonia, but in the case of both infections a substantial modification of the vitamin E effect was found. A major finding in this study is heterogeneity in the effects of vitamin C and vitamin E. While there is no evidence that ordinary people might benefit from...Похожие книги
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