Aspirin helps reduce the risk of cardiovascular disease, but the jury's still out on cancer. iStockphoto.com hide caption

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Lipitor, and other cholesterol-fighting drugs like it, will carry new instructions about risks. Paul Sakuma/AP hide caption

itoggle caption Paul Sakuma/AP

The latest subject in standardized tests for kids: cholesterol. iStockphoto.com hide caption

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In the U.S., hospitalized heart attack patients go home sooner than in other countries. They are more likely to return to the hospital within a month of being discharged. iStockphoto.com hide caption

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Laurel Fontaine, 16, (left) and her twin sister Heather. When Laurel was 11 years old, she suffered a stroke that destroyed 80 percent of the left side of her brain. The singing therapy helped her regain the ability to speak. Ellen Webber for NPR hide caption

itoggle caption Ellen Webber for NPR

Watson Pharmaceuticals, a maker of generic drugs, is rolling out generic Lipitor, or atorvastatin, under a deal with Pfizer. Bill Gallery/AP hide caption

itoggle caption Bill Gallery/AP