Estrogen levels affect brain activity, stress levels.

In Brain Disorders, Brain General Structure and Function, Brain Science, Endocrine System by Brainy Days Ahead

Researchers at Emory University School of Medicine and Harvard Medical School gain new insight into how estrogen changes gene activity in the brain to achieve its protective effects. Low estrogen levels appear to make women more susceptible to the development of post-traumatic stress disorder (PTSD) at some points in their menstrual cycles or lifetimes, while high estrogen levels may be protective.