"I saw dozens of people in my practice. I'd run the cholesterol panels, and I'd say, 'Good job. You're staying on the Lipitor or Zocor,' " he says. But it turns out their good results weren't because of the cholesterol-lowering statins he had prescribed. Instead, many of them had followed the advice of infomercials or the grapevine, and decided to begin taking fish oil and red yeast rice supplements instead of statins.