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Tuesday, September 6, 2011

Antioxidants and Cancer

Although the internet can be a good resource for information, there are times when it provides false information and/or inaccurate information.  For example "Do antioxidants actually increase your risk of cancer?"

The source of this question and answer is a meta-analysis of 66 antioxidant clinical trials published in 2007 by Bjelakovic in the American Journal of Clinical Nutrition.  Although their data suggested that taking extra vitamins A, E and Beta Carotene, increased cancer by up to 16% the study excluded over 400 clinical trials because no deaths were reported in those trials.  Only trials with a significant  number of deaths were included.

So another group of scientific experts re-analyzed the data.  Their meta-analysis showed that 36% of the antioxidant clinical trials had a beneficial outcome, 60% showed no effect of supplementation and only 4% had a negative outcome. 

Just this past month the data were published from a very large clinical trial in Europe.  In this study 23,943 adults from Germany were followed for a total of 11 years.

The participants who consumed antioxidant supplements at the beginning of the study had a 48% decrease in cancer mortality and a 42% decrease in all cause mortality compared to those who did not take any supplements.

Dr. Chaney states "like most other reputable scientists, I am not yet ready to promise you that antioxidant supplements will decrease your cancer risk.  However, I think you can pretty much forget this nonsense about antioxidant supplements increasing your cancer risk."

Be selective about what you put into your body.  Not sure what supplements are right for you?  Email Mary Beth at marybeth@mamabearproductions.net to set up a Personal Confidential Nutrition Consultation.

I am passionate about helping people.


Mary Beth

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