began looking into the ads last month when it came out that Jarvik, who appears to be giving medical advice, isn't licensed to practice medicine. said Representatives John Dingell and Bart Stupak,
Michigan Democrats. "The way in which we presented Dr. Jarvik in these ads has, unfortunately, led to misimpressions and distractions from our primary goal of encouraging patient and physician
dialogue on the leading cause of death in the world -- cardiovascular disease," Pfizer says.
The company adds that it will start a new effort behind Lipitor -- which generates as much as 40% of its total profit -- in the next few weeks. Pfizer almost $140 million on the Jarvik ad campaign through October, according to market research firm Nielsen Monitor Plus.