NPR reports:
Doctors have long disputed the accusation that the payments they receive from pharmaceutical companies have any relationship to how they prescribe drugs.
There's been little evidence to settle the matter, until now.
A ProPublica analysis has found that doctors who receive payments from the medical industry do indeed prescribe drugs differently on average than their colleagues who don't. And the more money they receive, the more brand-name medications they tend to prescribe.
Read more, including helpful graphics, here.