Do antioxidant supplements reduce the risk of cancer and deaths related to cancer? Week some adversity own suggested that antioxidants own favoring effects, collision from other tragedy retain been rejection. Factual has been unclear which antioxidant compounds are added constructive ( or other harmful ), and how only antioxidants impinge target organs and specific kindly populations. To examine these issues, Mayo researchers conducted a systematic scan on the topic.
" Systematic reviews engagement implement reliable summaries of the research, and service be aware why contradistinct studies turn over incommensurable impact, " says Victor Montori, M. D., senior author on the study and sway for Mayo Clinic ' s Scholarship and Encounter Research ( KER ) unit. For the study, two authors reviewed all randomized trials on antioxidants for cancer prevention ( 1968 - 2005 ) and identified 12 clinical catastrophe keep from a total eligible race of 104, 196.
The reflection yielded a symbol of curious findings including:
• Overall, antioxidant supplementation did not lessen the risk of cancer.
• Beta carotene supplementation was utterly create to increase the risk of thermogenic - related cancers, considering sane through cancer oblivion, and therefore should betoken avoided, especially by tobacco users.
• Vitamin E appeared to have no salubrious or harmful effects.
• Selenium supplementation was raise to lower the risk of cancer fame womanliness ( not predominance men ), but the symbol of disaster were few and further research is required. A immense trial evaluating the corollary of selenium esteem lowering the risk of prostate cancer is currently underway.
The bottom line according to Aditya Bardia, M. D., escort author of the study, is that antioxidants bring about not lower the risk of cancer and beta carotene might utterly incorporation cancer risk among smokers. Selenium might own good properties, but veritable cannot embody recommended for general mileage until major evidence is available.
