According to Julia Sacher, a professor at Germany’s prestigious Max Planck Institute for Cognitive and Brain Sciences, women’s brains continue to be “massively understudied.” She is interested in how the brain changes during the menstrual cycle, pregnancy, and menopause. In a recent study, she and her team found that during each monthly menstrual cycle, the structure of the brain actually changes—with certain areas expanding and contracting, with implications for mental health and cognitive function.

More on that subject from Newsweek, here