About: http://webisa.webdatacommons.org/190065468

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	Several things begin to happen to your cardiovascular system in your 30s.First, because the heart is a muscle, it begins to show signs of age like other muscles in your body.
http://www.w3.org/ns/prov#wasQuotedFrom	howstuffworks.com