'Good Cholesterol' Drugs May Not Be Doing the Job
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A recent clinical trial showing the B vitamin niacin didn't reduce heart-health risks compared with standard treatment has doctors wondering why they've prescribed other versions of the drug to millions for decades with little evidence to support its effectiveness. WSJ's Christopher Weaver and Dr. Stephen Kopecky, cardiologist at Mayo Clinic, join Lunch Break with details. Photo: Getty Images.