The term “adrenal fatigue” is used by some integrative and naturopathic healthcare providers —those who incorporate a wide variety of nontraditional techniques to care for people — to describe what ...

Pulmonary function tests are a group of noninvasive breathing tests that measure how much air your lungs can hold, how quickly you can move air in and out and how efficiently your lungs transfer ...

A cortisol test involves taking a small sample of blood to measure the level of cortisol in a person’s body. Cortisol is a hormone that plays a vital role in the body’s response to stress. If the ...

Accurate testing of the integrity of the hypothalamic–pituitary–adrenal axis in children at risk of central adrenal insufficiency is difficult and a subject of debate. Findings of a new study by Di ...

Adrenocorticotropic hormone (ACTH) is a hormone that the pituitary gland produces. Its main function is to stimulate the adrenal glands to produce and secrete another hormone called cortisol. Some ...