The good news about PMS

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March 17, 2015 Today’s TED Talk Robyn Stein DeLuca: The good news about PMS 14:44 minutes · TEDxSBU Everybody knows that most women go a little crazy right before they get their period, that their reproductive hormones cause their emotions to fluctuate wildly. Except: There's very little scientific consensus about premenstrual syndrome. Says psychologist Robyn Stein DeLuca, science doesn't agree on the definition, cause, treatment or even existence of PMS. She explores what we know and don't know about it -- and why the popular myth has persisted. Watch now » Playlist of the Day Sex: Can we talk? A few things you've always wanted to know about sex: why we enjoy it, how to explain it, and, importantly, how flowers do it. Watch » 9 talks · Total run time 2:11:24 Become a Fan on Facebook Follow us @TEDTalks Read more at ideas.ted.com  Get the TED app for iPhone, iPad and Android

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