Bad mood? Don't blame PMS- It might not exist!

Women who feel moody or grouchy before getting their periods shouldn’t blame it all on their hormones, say researchers from the University of Toronto. According to a new meta-analysis of PMS studies, the research team concluded that it is not real — that there is no clear link between women’s negative moods and the premenstrual phase of their cycles. The time has come, they say, to put the myth aside.

The researchers, a team lead by psychologist Gillian Einstein, took a look at 47 English language studies found on PubMed, PsycINFO, and various article bibliographies. They conducted a critical analysis of the daily mood data presented in these studies, but could not find any clear evidence that premenstrual syndrome exists.

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