<http://schema.org/about>
"A new study published in Diabetes Care finds that there is a strong link between particulate air pollution and the rising prevalence of adult diabetes in the United States. Pollution was found to be a serious risk"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/green-food/particulate-air-pollution-strongly-linked-with-increased-diabetes-prevalence-in-us-study.html>