Using hormonal contraceptives during the premenopausal phase may have far reaching benefits for women in improving their cognitive abilities in midlife,

"This study provides preliminary evidence that hormonal contraceptives may have a protective cognitive effect, even years after use is discontinued," says Editor-in-Chief Susan G. Kornstein, MD, Editor-in-Chief of Journal of Women's Health, Executive Director of the Virginia Commonwealth University Institute for Women's Health, Richmond, VA, and President of the Academy of Women's Health.
Source-Medindia