Our stress-fighting adrenal glands, which sit atop the kidneys, are actually two different glands in one. The center of the gland (adrenal medulla) manufactures adrenaline (epinephrine). The outer part of the gland (adrenal cortex) makes several hormones called corticosteroids. They include: Cortisol. Pumped out in response to stress, cortisol regulates blood sugar and blood pressure, two key parts of our stress response, and also helps control immune function. DHEA-S (dehydr