US prescriptions in 2008 5 of 10 adults and 9 of 10 seniors

Also - 7 out of 10 seniors took 2 prescriptions

From Wall Street Journal

http://blogs.wsj.com/health/2010/09/02/almost-half-of-americans-took-a-prescription-drug-in-last-month

Here is a graph from the source

Wonder how many fewer prescriptions there will be when people have an adequate amount of vitamin D