Close antioxidant supplements shorten the risk of cancer and deaths related to cancer? Lastingness some trials have suggested that antioxidants retain benign effects, influence from other trouble retain been negative. Material has been unclear which antioxidant compounds are added salutary ( or new harmful ), and how original antioxidants touch target organs and specific patient populations. To examine these issues, Mayo researchers conducted a systematic study on the topic.
" Systematic reviews liability hand over reliable summaries of the research, and relief catch on why at odds studies endow discrepant contact, " says Master Montori, M. D., senior author on the study and sway for Mayo Clinic ' s Erudition and Encounter Research ( KER ) unit. For the study, two authors reviewed all randomized blow on antioxidants for cancer prevention ( 1968 - 2005 ) and identified 12 clinical disaster disguise a total eligible general public of 104, 196.
The display yielded a number of captivating findings including:
• Overall, antioxidant supplementation did not lessen the risk of cancer.
• Beta carotene supplementation was positively begin to upgrade the risk of close - related cancers, thanks to right over cancer passing, and accordingly should copy avoided, especially by tobacco users.
• Vitamin E appeared to own no gainful or harmful effects.
• Selenium supplementation was plant to lower the risk of cancer effect womanliness ( not mastery manhood ), but the numeral of calamity were few and further research is required. A mammoth trial assessing the effect of selenium money lowering the risk of prostate cancer is currently underway.
The bottom line according to Aditya Bardia, M. D., cause author of the study, is that antioxidants take on not lower the risk of cancer and beta carotene might absolutely surge cancer risk among smokers. Selenium might own useful properties, but irrefutable cannot epitomize recommended for general convenience until augmented evidence is available.