About: http://webisa.webdatacommons.org/424124040

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	He says, ???The only explanation is that physical activity has declined, which is of real concern, because physical activity plays a major role in the prevention of chronic disease, including obesity.???
http://www.w3.org/ns/prov#wasQuotedFrom	ncppa.org