<http://schema.org/description>
"About two-thirds of U.S. adult smokers say they want to quit and 52 percent of adult smokers say they tried to quit in the last year, health officials say."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Health_News/2011/11/10/Most-smokers-want-to-quit-and-try-to-quit/UPI-91681320980742/>