About: http://webisa.webdatacommons.org/376208852

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	This deficiency is commonly seasonal: most Vitamin D is made when skin is exposed to sunlight, and since during the darker months our planet moves away from the sun ??? colder weather means most of us don???t spend time outdoors.
http://www.w3.org/ns/prov#wasQuotedFrom	naturalwellbeing.com