About: http://webisa.webdatacommons.org/333025329

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Researchers found that at least 30 minutes a day of walking, jogging, or other weight-bearing activity is needed to maintain two key indicators of bone health???cortical bone density and functional geometry. (D1829-43)
http://www.w3.org/ns/prov#wasQuotedFrom	usda.gov