So vitamins are dangerous? Based on whose biased information gathering?
Wednesday, February 28th, 2007by ken winston caine
You may have seen the headlines.
JAMA, the Journal of the American Medical Association, is promoting its publication of a meta analysis that concludes that use of antioxidant vitamins A, beta carotene and E, may send you to the grave sooner than otherwise..
It was a big analysis — comparing studies involving more than 232,000 people — and it makes big, troubling assumptions that should be challenged. But the media isn’t challenging it. Rather it’s gobbling up the suggestion that “Vitamins can kill you” just as enthusiastically as Linus Pauling gobbled Vitamin C. (He kept a handful in his jacket pocket and popped a couple every few minutes.)
A “meta analysis” is a study that mathematically cross-compares the results of multiple studies conducted by various researchers on various populations and under varying conditions. By its very nature, its conclusions can be suspect.
This one is no exception.
Some questions to ask in this case:
- Were the (more…)
