According to Good, US doctors wrote more prescriptions for psychiatric drugs in 2009 than there are people in the USA. They’ve put together a colourful graph to show the most popular meds prescribed. At number one is Xanax. Going up in popularity are Seroquel and Ativan; Valium and Prozac are on the way down and Desyrel is a new chart entrant. It would be interesting to analyze the concentrations of different drugs in different geographical areas. See the infographic for yourself on Good.