2/7/2013 7:17:48 AM
A type of cholesterol you've probably never heard of may be linked to the third leading cause of heart disease in the country. In a study published Wednesday in the New England Journal of Medicine, a team of researchers from McGill University, Harvard, Johns Hopkins and other institutions report discovering an abnormality in the gene responsible for a little-known type of cholesterol called Lp(a). This form of cholesterol appears to cause a condition known as aortic stenosis, which affects 1.5 million Americans.
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