What Causes PMS?

Reactions Science Videos

Reactions - Uncover the Chemistry in Everyday Life

Youtube ID: W5BvYvyfarw

Premenstrual syndrome, or PMS, affects the majority of women to some degree. A grab bag of unpleasant physical and psychological symptoms, PMS can be much more than an annoyance. This week, Reactions looks at how hormones including estrogen and progesterone interact with secondary chemicals, which can lead to symptoms of PMS.



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