<http://schema.org/description>
"Humans are able to smell sickness in someone whose immune system is highly active within just a few hours of exposure to a toxin, according to new research published in Psychological Science, a journal of the Association for Psychological Science."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2014-01-sickness.html>