“Menstrual cramps may actually change the structure of women’s brains”, according to new research in the journal Pain.

Denise Mann of WebMD writes that research shows that there are changes in the volume of the brain’s gray matter among women who experience painful menstrual cramps.

Nothing is known of the effects of those changes to the volume of the gray matter during Primary Dysmenorrhea  (PDM) – menstrual pain in otherwise healthy women.

You can read the full article on WebMD here.