Doctor laments doctors’ blindness to conflicts of interest has an overview of some of the findings, issues and concerns with respect to big pharma’s influence on doctors written by family physician Ritika Goel.

So it makes sense why the companies would do this, but why would doctors not resist these practices? In 2007, a national survey of doctors in the US found that 94% had some form of relationship with the drug industry. While 28% reported directly receiving payment for consulting, lecturing or enrolling patients in a study, a striking 78% reported receiving drug samples and 83% reported receiving food in their workplaces.

When considering the impact of these relationships, two-thirds of medical school department chairs in the US felt a relationship with the industry had no impact on professional activities (and almost two-thirds reported having such a relationship).