Birth Control Pills

Like natural hormones, known as endogenous hormones, the artificial hormones contained in the pill, known as exogenous hormones, can have effects on the brain. (Shutterstock) Alexandra Brouillard, Université du Québec à Montréal (UQAM) and Marie-France Marin, Université du Québec à Montréal (UQAM) Oral contraceptives, also known as birth control pills, are used by more than 150 million women worldwide. Approximately one-third of teenagers in North America and Europe use them, […]