About: http://webisa.webdatacommons.org/93653252

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	Even smoke without toxic vapors can irritate the respiratory system and can worsen symptoms for those who already have breathing difficulties due to conditions such as asthma and emphysema.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov