<http://webisa.webdatacommons.org/421565753>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/478248831>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/421565753> .
<http://webisa.webdatacommons.org/prov/212991880>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/421565753> .
<http://webisa.webdatacommons.org/421565753>	<http://www.w3.org/ns/prov#value>	"It is mainly caused by the aging process and exposure to the sun, although genetics and other factors can be involved as well." .
<http://webisa.webdatacommons.org/421565753>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<issuu.com> .