<http://schema.org/headline>
"Stress-busting smiles: A genuine grin can help the heart; Is polite faking enough to see benefits?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.deseretnews.com/article/765623422/Stress-busting-smiles-A-genuine-grin-can-help-the-heart-Is-polite-faking-enough-to-see-benefits.html>