avilesaviles t1_ja0p8sz wrote
Reply to comment by Butterbrotbox in Mysterious marks on Ice Age cave art may have been a form of record keeping. by Rifletree
i read some where that before artificial light menstrual cycles where synced with the moon and hence with other woman, now a day it happens when they spend a lot of time together or in same schedules, now we have more variables like artificial hormones and food additives
jupitaur9 t1_ja0ubnl wrote
Period synchronization in humans is not a real thing.
https://ro.co/health-guide/cycles/#a-series-of-mixed-findings
GalaxyMosaic t1_ja1pxx9 wrote
It's like when you're sitting at a red light with your turn signal on, and the guy in front of you has his on. The timing isn't exactly the same but sometimes they seem to synch up for a dozen cycles or so.
tickingboxes t1_ja17rkc wrote
This is very much a myth
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