When the erstwhile blockbuster diabetes drug Avandia stood trial before the US Food and Drug Administration (FDA) last week, its sharpest critics pulled no punches. Among them was Steven Nissen, the cardiologist at Ohio's Cleveland Clinic who first exposed Avandia's heart-attack risk. Shortly before yielding the podium, he unleashed a parting salvo against not just Avandia, but also the drug's family.
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