Vitamin A |
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Efficacy of Vitamin A as an Alternative Medicine According to GRADE* Ranking:
Recommendation: Strongly in favor (Vitamin A may help to prevent conjunctivitis due to its role in the body's immune function) Grade of Evidence: High level of evidence Genital Herpes Simplex [9, 10]: Recommendation: No recommendation (There is insufficient evidence to support claims that vitamin A supplements are able to help treat genital herpes.) Grade of Evidence: Low level of evidence Lower Respiratory Tract Infection [1, 2, 3, 4, 5, 6, 7, 8]: Recommendation: Strongly in favor (Vitamin A may help to prevent respiratory tract infections due to its role in the body's immune function) Grade of Evidence: High level of evidence Lower Urinary Tract Infection [1, 2, 3, 4, 5, 6, 7, 8]: Recommendation: Strongly in favor (Vitamin A may help to prevent urinary tract infections due to its role in the body's immune function) Grade of Evidence: High level of evidence Respiratory Tract Infection [1, 2, 3, 4, 5, 6, 7, 8]: Recommendation: Strongly in favor (Vitamin A may help to prevent respiratory tract infections due to its role in the body's immune function) Grade of Evidence: High level of evidence Upper Urinary Tract Infection [1, 2, 3, 4, 5, 6, 7, 8]: Recommendation: Strongly in favor (Vitamin A may help to prevent urinary tract infections due to its role in the body's immune function) Grade of Evidence: High level of evidence Anorexia Nervosa [1, 2, 3, 4, 5, 6, 7, 8]: Recommendation: Strongly in favor (Vitamin A may help to prevent/treat anorexia due to it's role in improving poor appetite) Grade of Evidence: High level of evidence Bacterial Urinary Tract Infection [1, 2, 3, 4, 5, 6, 7, 8]: Recommendation: Strongly in favor (Vitamin A may help to prevent urinary tract infections due to its role in the body's immune function) Grade of Evidence: High level of evidence Cystic Fibrosis [11]: Recommendation: No recommendation (There is insufficient evidence to support claims that vitamin A supplements are able to help treat cystic fibrosis. More studies needed) Grade of Evidence: Very low level of evidence Diarrhoea [1, 2, 3, 4, 5, 6, 7, 8]: Recommendation: Strongly in favor (Vitamin A may help to prevent diarrhoea due to its role in the body's immune function) Grade of Evidence: High level of evidence Fungal Urinary Tract Infections [1, 2, 3, 4, 5, 6, 7, 8]: Recommendation: Strongly in favor (Vitamin A may help to prevent urinary tract infections due to its role in the body's immune function) Grade of Evidence: High level of evidence Herpes Simplex Virus Infections [9, 10]: Recommendation: No recommendation (There is insufficient evidence to support claims that vitamin A supplements are able to help treat genital herpes) Grade of Evidence: Low level of evidence Travellers Diarrhea [1, 2, 3, 4, 5, 6, 7, 8]: Recommendation: Strongly in favor (Vitamin A may help to prevent diarrhoea due to its role in the body's immune function) Grade of Evidence: High level of evidence Urinary Tract Infection (Cystitis) [1, 2, 3, 4, 5, 6, 7, 8]: Recommendation: Strongly in favor (Vitamin A may help to prevent urinary tract infections due to its role in the body's immune function) Grade of Evidence: High level of evidence Lung Cancer [1, 2, 3, 4, 5, 6, 7, 8]: Recommendation: Weakly against (Clinical trials have shown that not only do vitamin A supplements not lower the risk of lung cancer in smokers, it actually increases the risk of death from lung cancer and heart disease.) Grade of Evidence: High level of evidence Acute Promyleocytic Leukemia [1, 2, 3, 4, 5, 6, 7, 8]: Recommendation: Weakly in favor (Promyelocytic Leukemia often responds positively to a combination of Vitamin A and chemo therapy. This must be done under the supervision of an oncologist. Taking non prescription supplements or increasing dietery intake without a doctors supervision will not necessarily improve outlook of leukemia.) Grade of Evidence: Moderate level of evidence * www.gradeworkinggroup.org 1. htt p://www.nlm.nih.gov/medlineplus/druginfo/natural/patient-vitamina.html 2. http://www.nlm.nih.gov/medlineplus/vitamina.html 3. http://ods.od.nih.gov/factsheets/vitamina.asp 4. http://www.who.int/nutrition/topics/vad/en/ 5. Latham, Michael E. (1997). Human Nutrition in the Developing World (Fao Food and Nutrition Paper). Food & Agriculture Organization of the United. ISBN 92-5-103818-X. 6. Sommer, Alfred (1995). Vitamin a Deficiency and Its Consequences: A Field Guide to Detection and Control. Geneva: World Health Organization. ISBN 92-4-154478-3. 7. http://www.unicef.org/worldfitforchildren/files/A-RES-S27-2E.pdf 8. Ades T, Alteri R, Gansler T, Yeargin P, "Complete Guide to Complimentary & Alternative Cancer Therapies", American Cancer Society, Atlanta USA, 2009 Public DiscussionNo discussions exist for this vitamin yet. You can be the first to create one!
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