<http://schema.org/description>
"Out of nowhere you feel absolute terror. Your heart races and you&amp;#039;re frantic for your breath. Everything seems unreal. Are you losing your mind? No, you&amp;#039;re having a panic attack."^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/mental-health/anxiety/panic-attack1.htm>