About: http://webisa.webdatacommons.org/285788945

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	Because the brain damage caused by Alzheimer???s begins years before memory loss and other symptoms may appear, scientists are developing methods to detect biological changes related to Alzheimer???s disease at its earliest stages.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov