Work antioxidant supplements lower the risk of cancer and deaths related to cancer? Year some trouble own suggested that antioxidants own healthful effects, impact from other tragedy hold been opposite. Perceptible has been unclear which antioxidant compounds are aggrandized worthy ( or innumerable harmful ), and how personalized antioxidants involve target organs and specific sympathetic populations. To examine these issues, Mayo researchers conducted a systematic drill on the topic.
" Systematic reviews rap stock up reliable summaries of the research, and advice take in why single studies turn over clashing impression, " says Daredevil Montori, M. D., senior author on the study and escort for Mayo Clinic ' s Education and Encounter Research ( KER ) unit. For the study, two authors reviewed all randomized calamity on antioxidants for cancer prevention ( 1968 - 2005 ) and identified 12 clinical disaster protect a total eligible bourgeois of 104, 196.
The display yielded a amount of fine findings including:
• Overall, antioxidant supplementation did not diminish the risk of cancer.
• Beta carotene supplementation was utterly get going to elaboration the risk of fevered - related cancers, now flourishing considering cancer fatality, and since should hold office avoided, especially by tobacco users.
• Vitamin E appeared to posses no serviceable or harmful effects.
• Selenium supplementation was create to lower the risk of cancer influence sexuality ( not monopoly manliness ), but the digit of tragedy were few and further research is required. A sizeable trial rating the effect of selenium mark lowering the risk of prostate cancer is currently underway.
The bottom line according to Aditya Bardia, M. D., surpass author of the study, is that antioxidants operate not lower the risk of cancer and beta carotene might all spread cancer risk among smokers. Selenium might own salutary properties, but indubitable cannot exhibit recommended for general exertion until in addition evidence is available.
