9 out of the top 10 big pharma companies spend more money on marketing than R&D! Here is a funny, scary and informative video on the practices of marketing to doctors.
Marketing to Doctors: Last Week Tonight with John Oliver (HBO)
9 out of the top 10 big pharma companies spend more money on marketing than R&D. That prompted John Oliver to say, "Drug companies are like High School boyfriends. They are much more concerned with getting inside you than being effective once they are in there."
For a more serious look on the numbers, see this article.