JAMA "Trends in Prescription Drug Use Among Adults in the United States From 1999-2012"

"Trends in Prescription Drug Use Among Adults in the United States From 1999-2012"

"Conclusions and Relevance  In this nationally representative survey, significant increases in overall prescription drug use and polypharmacy were observed. These increases persisted after accounting for changes in the age distribution of the population. The prevalence of prescription drug use increased in the majority of, but not all, drug classes."
http://jama.jamanetwork.com/article.aspx?articleid=2467552