HormonesOxytocin is a hormone secreted by a specific part of the hypothalamus. Oxytocin has an immediate effect on the smooth muscles of the uterus, increasing the duration and power of the contractions.
HormonesAndrogen is a hormone secreted by the adrenal glands that stimulates the activity of male sex organs, while also aiding the development of male secondary sex characteristics. The best known androgen is testosterone.
HormonesSymptoms of high cortisol differ. A person suffering from such a problem begins to experience various kinds of changes in mood - anxiety, depression and increased irritability. Normally, the body produces between 10 - 30 mg of cortisol every 24 hours.
HormonesGhrelin regulates body weight in a short-term aspect - when its levels are high a person feels hungry and when they are well fed - ghrelin levels drop. When on a diet the stomach produces a lot more ghrelin, sending signals of hunger to the brain.
HormonesLeptin is a peptide hormone that plays a very important role in regulating intake and spending of energy in the human body. Leptin affects appetite and metabolism.
HormonesProlactin is a hormone produced and secreted by the anterior pituitary - the front part of the pituitary gland. Prolactin is also called the hormone of lactation.
HormonesTestosterone is a steroid hormone belonging to the group of sex hormones. Along with sexual activity, which includes regulation of the libido, fertility and muscle mass, testosterone helps increase energy.
HormonesSerotonin is a monoamine neurotransmitter, synthesized in the brain and gastrointestinal tract. Serotonin plays a very important role in regulating the processes of sleep, cardiac rhythm and breathing.
HormonesProgesterone is a steroid hormone, which plays a role in pregnancy, the menstrual cycle and embryogenesis in humans. Progesterone prepares the lining of the uterus to accept the fetus and also controls the normal course of pregnancy.
