Dr. Robert Jarvik, who played a leading role in inventing the artificial heart, is facing scrutiny from a congressional panel over his appearance in TV spots endorsing Pfizer cholesterol-lowering drug Lipitor. Jarvik, who touts the drug's effectiveness, is not a cardiologist, nor licensed to practice medicine. He also is not an oarsman, though he is portrayed as such in an ad that used a body double for scenes that depict Jarvik as rowing across a lake, according to this article. Jarvik did not comment for this article. Pfizer has stood by the spots' accuracy and themes.
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