What is the Hypothalamic Pituitary Adrenal (HPA) Axis?
The Hypothalamic Pituitary Adrenal (HPA) Axis is a complex set of direct influences and feedback interactions among the hypothalamus, the pituitary gland, and the adrenal glands. It plays a crucial role in the regulation of stress responses, emotions, digestion, immune system, sexuality, and energy storage and expenditure.