An example of a similar obvious hypothesis that appears to be flawed: raising "good cholestrol" with niacin supplements appears not to lower risk of heart attac

An example of a similar obvious hypothesis that appears to be flawed: raising "good cholestrol" with niacin supplements appears not to lower risk of heart attacks as was widely assumed http://www.npr.org/blogs/health/2011/05/28/136678665/study-boosting-good-cholesterol-with-niacin-did-not-cut-heart-risks http://www.npr.org/blogs/health/2011/05/28/136678665/study-b...