# Robyn Stein DeLuca: The good news about PMS

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.

- Kind: Talk
- Year: 2014
- Runtime: 14 min
- By: TED.com
- Genres: Education, News
- Archive: [Internet Archive](https://archive.org/details/RobynSteinDeluca_2014X)
- Licence or status: [CC BY-NC-ND 3.0](http://creativecommons.org/licenses/by-nc-nd/3.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/RobynSteinDeluca_2014X?play=1)