Andrew Huberman· PhD
Now, the whole idea of synchronization of menstrual cycles is pretty controversial, for a long time, people said, "Oh, this is absolutely a well-characterized phenomenon," people in dormitories, their menstrual cycles would synchronize, people living in environments together, their menstrual cycles would synchronize, and then some studies came out that kind of undercut those data and said no, this actually doesn't happen, and it was kind of controversial