👉 Bulimia nervosa (BN) is a mental health condition that affects around 1 in every 200 women, and it's characterized by an obsession with gaining weight or losing weight. It can be triggered by a variety of factors such as eating disorders, hormonal imbalances, stress, or the need for physical activity. The exact causes are not fully understood, but some theories suggest that it may involve several different brain circuits, including the hypothalamus, pituitary gland