There's no doubt the influence of celebrities is far-reaching. We see their impact in fashion, trendy diets and workout fads. These celeb Svengalis even have the power to persuade us to follow their medical advice, according to a recent study in the British Medical Journal, because we're somehow biologically programmed to do so. But following the prescriptions of Drs. Paltrow, Cruise or Couric can be risky.
Here's our list of the celeb health ideas you shouldn't follow (and no, Jenny McCarthy is not on the list).