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Scientists Find 'Good' Cholesterol Can Sometimes Be Bad

So-called "good" cholesterol may actually increase heart attack risks in some people, researchers said Thursday, a discovery that casts fresh doubt on drugs designed to raise it. High density lipoprotein (HDL) cholesterol is generally associated with reduced heart risks, since it usually offsets the artery-clogging effects of the low density (LDL) form. But some people have a rare genetic mutation that causes the body to have high levels of HDL and this group, paradoxically,...

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