About: http://webisa.webdatacommons.org/411334278

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	The habit may affect the levels of several hormones involved in the menstrual cycle, such as estrogen and progesterone, says Edward C. Geehr, M.D., Lifescript???s chief medical officer.
http://www.w3.org/ns/prov#wasQuotedFrom	lifescript.com