http://news.yahoo.com/stats-
[This is pretty well lifted from Scientific American.]
http://heartdisease.about.com/
http://www.scientificamerican.
even if the findings of the meta-analysis are accurate and the side effects are rare, "one should question whether it is cost-effective" to put millions of people on the drugs for a small potential benefit, says James Liao, an expert in vascular medicine at Brigham and Women's Hospital in Boston. Generic low-cost versions of the drugs are available—Walmart sells a month's supply of low-dose lovastatin for $4—but many consumers choose costlier brand name options. In 2011, for instance, Americans spent $4.4 billion on AstraZeneca's Crestor and $7.7 billion on Pfizer's Lipitor.