captainchaos , 1 month ago @arstechnica "iPhone study" into menstruation? Excuse me, WTF? Also, hasn't this been known for a long time? I remember reading about girls starting puberty younger and younger decades ago.
@arstechnica "iPhone study" into menstruation? Excuse me, WTF?
Also, hasn't this been known for a long time? I remember reading about girls starting puberty younger and younger decades ago.