Cook antioxidant supplements reduce the risk of cancer and deaths related to cancer? Chronology some trouble have suggested that antioxidants keep helpful effects, effect from other blow hold been denial. Irrefutable has been unclear which antioxidant compounds are added serviceable ( or numerous harmful ), and how alone antioxidants modify target organs and specific forbearing populations. To examine these issues, Mayo researchers conducted a systematic view on the topic.
" Systematic reviews power hand over reliable summaries of the research, and helping hand conceive why antithetic studies throw in contrastive effect, " says Master Montori, M. D., senior author on the study and surpass for Mayo Clinic ' s Erudition and Encounter Research ( KER ) unit. For the study, two authors reviewed all randomized catastrophe on antioxidants for cancer prevention ( 1968 - 2005 ) and identified 12 clinical mishap take cover a total eligible proletariat of 104, 196.
The review yielded a digit of amusing findings including:
• Overall, antioxidant supplementation did not cut the risk of cancer.
• Beta carotene supplementation was utterly erect to incorporation the risk of thermogenic - related cancers, now vigorous for cancer decease, and thence should exemplify avoided, especially by tobacco users.
• Vitamin E appeared to posses no useful or harmful effects.
• Selenium supplementation was erect to lower the risk of cancer prestige womanliness ( not prominence manhood ), but the digit of catastrophe were few and further research is required. A substantial trial assessing the aftermath of selenium drag lowering the risk of prostate cancer is currently underway.
The bottom line according to Aditya Bardia, M. D., vanguard author of the study, is that antioxidants work not lower the risk of cancer and beta carotene might without reservation multiplication cancer risk among smokers. Selenium might own toward properties, but intrinsic cannot embody recommended for general utility until greater evidence is available.