Every day, thousands of representatives from pharmaceutical companies visit physicians to get them to prescribe the company's newest drugs. What some doctors don't realize is that drug salesmen know exactly what drugs an individual doctor prescribes.
And they use that information to hone their sales pitches. Drug companies love the data. But critics contend it is an invasion of privacy and drives up the cost of health care. Maine has just become the third state to pass a measure limiting access to the data.