<http://schema.org/description>
"A division of the U.S. National Institutes of Health has issued a video demonstrating how yoga works and suggesting it may be beneficial for low-back pain."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Health_News/2012/08/01/NIH-video-reveals-science-behind-yoga/UPI-78841343876853/?rel=80091364053749>