Here we will see that pharmaceutical companies spend tens of billions of pounds every year trying to change the treatment decisions of doctors: in fact, they spend twice as much on marketing and advertising as they do on the research and development of new drugs. Since we all want doctors to prescribe medicine based on evidence, and evidence is universal, there is only one possible reason for such huge spends: to distort evidence-based practice.
Ben Goldacre, Bad Pharma: How Drug Companies Mislead Doctors and Harm Patients
advertising, marketing, pharmaceutical-industry