The decrease in blood volume causes the release of Vasopressin
Vasopressin This natural hormone is used to treat a variety of life-threatening disorders, including septic shock and bleeding irregularities. Vasopressin is a hormone that is produced naturally and aids in the regulation of numerous body activities. Vasopressin allows normal cellular activity by maintaining the right volume of water in the area that surrounds cells throughout the body. Vasopressin (also known as antidiuretic hormone) helps to regulate the circadian rhythm, or the 24-hour cycle of sleep and waking. Vasopressin also aids in the regulation of the body's internal temperature, blood volume, and urine output from the kidneys. Men and women both make vasopressin, but because of the way it interacts with the male sex hormone testosterone, men feel its effects more intensely. Vasopressin is produced and transported to the pituitary gland, which then releases it into the bloodstream, by nerve cells at the base of the brain (hypothalamus). Vasopressin is released in res...