<http://schema.org/about>
"Some parents of children with severe epilepsy say that cannabis helps prevent their children's seizures, but experts caution that it remains unproven."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/stories/could-cannabis-be-used-as-a-treatment-for-childhood-epilepsy>