<http://schema.org/description>
"U.S. adolescents are more likely to smoke if their parents smoke or if an older sibling smokes, U.S. researchers say."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Health_News/2013/08/06/Children-more-likely-to-smoke-if-a-parent-or-sibling-smokes/UPI-26751375792891/?spt=hs&or=hn>