<http://schema.org/alternativeHeadline>
"Ibuprofen use still carries risks, like stomach bleeding, but may also slow the progression of Parkinson's."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/stories/ibuprofen-users-show-lower-parkinsons-disease-risk>