Fact
There is more smoking in TV shows rated TV-PG than in TV shows with a TV-14 rating. In other words, smoking is more prevalent on shows that aim to reach younger viewers. Hmm.
Source 1:
Cullen, Jennifer, et al. "Depictions of Tobacco Use in 2007 Broadcast Television Programming Popular Among US Youth." Archives of Pediatric and Adolescent Medicine. 165(2). 07 Feb. 2011: 147-151. Web.
http://archpedi.jamanetwork.com/article.aspx?articleid=384271