About: http://webisa.webdatacommons.org/125889077

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	As we age, our stomach acid decreases, making it more difficult to absorb nutrients such as B12.
http://www.w3.org/ns/prov#wasQuotedFrom	clevelandclinic.org