Consumers are always looking for ways to minimize their cancer risk, which is one reason why many turn to over-the-counter vitamin and mineral supplements. But new research finds that while companies promote dietary supplements for their cancer-prevention benefit, some may end up doing more harm than good.
Dr. Tim Byers, director for cancer prevention and control at the University of Colorado Cancer Center, conducted a meta-analysis of two decades worth of research -- 12 trials that involved more than 300,000 people -- and found a number of supplements actually made a person much more likely to develop certain types of cancer.
http://www.cbsnews.com/news/dietary-supplements-linked-to-increased-cancer-risk/
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