About: http://webisa.webdatacommons.org/164453762

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	Researchers are not sure whether taking extra zinc or vitamin C can limit how long cold symptoms last or how severe they become, but large doses taken every day can cause negative side effects.
http://www.w3.org/ns/prov#wasQuotedFrom	seattlechildrens.org