Protein Influencing Cholestrol Levels Identified
Researchers say they've identified a protein that is critical to the body's absorption of cholesterol. The results of their study, published in the journal <EM>Science</EM>, could help create drugs or treatments to lower cholesterol. NPR's Joe Palca reports.
NPR's Alex Chadwick talks with University of California, San Francisco, neuropathologist Dr. Stephen De Armond about prions -- the agents believed to cause certain types of fatal brain disease, such as mad cow disease.