Robyn Stein DeLuca has some good news if you suffer from PMS--and it could change everything you think you know about that time of the month.
"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," the description reads. "Except: There's very little scientific consensus about premenstrual syndrome."
Psychologist Robyn Stein DeLuca says, "science doesn't agree on the definition, cause, treatment or even existence of PMS. As most commonly defined by psychologists, PMS involves negative behavioral, cognitive, and physical symptoms from the time of ovulation to the time of menstruation."
Here's where it gets tricky, though: there are over 150 symptoms that define PMS. It is so vague, it simply becomes meaningless.
In one of the most spectacular TedTalks of the last year, DeLuca explores what we know and what we don't know about PMS--and "why the popular myth has persisted."
Check out the video below to find out more--you might be in for a surprise.
Video Credit: TED/YouTube
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