Lewis
Member
Why Menstruation Remains a Medical Mystery
http://news.yahoo.com/why-menstruation-remains-medical-mystery-215459035.html
It's still a bit of a mystery why women menstruate. Humans are among the few species in which the process occurs, and although researchers have ideas about why menstruation happens, there are many unknowns.
http://news.yahoo.com/why-menstruation-remains-medical-mystery-215459035.html
It's still a bit of a mystery why women menstruate. Humans are among the few species in which the process occurs, and although researchers have ideas about why menstruation happens, there are many unknowns.