<http://schema.org/description>
"Headaches can be agonizing, debilitating and affect your ability to handle everyday tasks. Take this quiz and test your knowledge of common causes and cures of headache pain."^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/diseases-conditions/headache/mysterious-headache-quiz7.htm>