About: http://webisa.webdatacommons.org/39277927

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	Furthermore, other than cancer and depression, melatonin deficiency, which is triggered mostly by light exposure during sleeps, can also weaken immune system, increase risk of osteoporosis and heart disease.
http://www.w3.org/ns/prov#wasQuotedFrom	personaltrainersingapore.com