Vitamins Research Paper

Vitamins Research Paper-15
Unauthorized use of the In the Clinic slide sets will constitute copyright infringement. Mortality and hospital morbidity of working-age blind. We share the authors’ concerns and have released two related reports (2,3) that further highlight risks of dietary supplements based on our review of their labels.

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In conclusion, β-carotene, vitamin E, and possibly high doses of vitamin A supplements are harmful.

Other antioxidants, folic acid and B vitamins, and multivitamin and mineral supplements are ineffective for preventing mortality or morbidity due to major chronic diseases.

From Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland; Warwick Medical School, University of Warwick, Coventry, England, United Kingdom; Annals of Internal Medicine, American College of Physicians, Philadelphia, Pennsylvania; and Johns Hopkins School of Medicine, Baltimore, Maryland.

Three articles in this issue address the role of vitamin and mineral supplements for preventing the occurrence or progression of chronic diseases.

The decline in use of β-carotene and vitamin E supplements followed reports of adverse outcomes in lung cancer and all-cause mortality, respectively.

Vitamins Research Paper Msc Thesis In Engineering Geology

In contrast, sales of multivitamins and other supplements have not been affected by major studies with null results, and the U. supplement industry continues to grow, reaching billion in annual sales in 2010.Although available evidence does not rule out small benefits or harms or large benefits or harms in a small subgroup of the population, we believe that the case is closed— supplementing the diet of well-nourished adults with (most) mineral or vitamin supplements has no clear benefit and might even be harmful.These vitamins should not be used for chronic disease prevention. Terms of Use The In the Clinic® slide sets are owned and copyrighted by the American College of Physicians (ACP).Other reviews and guidelines that have appraised the role of vitamin and mineral supplements in primary or secondary prevention of chronic disease have consistently found null results or possible harms (5, 6).Evidence involving tens of thousands of people randomly assigned in many clinical trials shows that β-carotene, vitamin E, and possibly high doses of vitamin A supplements increase mortality (6, 7) and that other antioxidants (6), folic acid and B vitamins (8), and multivitamin supplements (1, 5) have no clear benefit.All text, graphics, trademarks, and other intellectual property incorporated into the slide sets remain the sole and exclusive property of the ACP.The slide sets may be used only by the person who downloads or purchases them and only for the purpose of presenting them during not-for-profit educational activities.None of the supplements improved cognitive function.Third, Lamas and associates (4) assessed the potential benefits of a high-dose, 28-component multivitamin supplement in 1708 men and women with a previous myocardial infarction participating in TACT (Trial to Assess Chelation Therapy).This evidence, combined with biological considerations, suggests that any effect, either beneficial or harmful, is probably small.As we learned from voluminous trial data on vitamin E, however, clinical trials are not well-suited to identify very small effects, and future trials of multivitamins for chronic disease prevention in well-nourished populations are likely to be futile.


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