About: http://webisa.webdatacommons.org/13369333

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	A diet rich in green, leafy vegetables such as spinach may help reduce the risk of blindness among the elderly, a major study has concluded.
http://www.w3.org/ns/prov#wasQuotedFrom	healthy.net