Androgen 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.
Symptoms 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.
Ghrelin 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.
Leptin 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.
Prolactin 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.
Testosterone 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.
Serotonin 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.
Progesterone 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.
Adrenaline is an important hormone and neurotransmitter, which is produced in the cells of the adrenal core, and in certain neurons of the central nervous system. The effect of adrenaline is quite short-lived - a mere 5 minutes.
Phytoestrogens are substances derived from plants that are similar to female sex hormones. Phytoestrogens possess the ability to bind to estrogen receptors in cells of the body.
One of the things that help people preserve themselves and live their lives fully and continuously are endorphins, better known as the hormones of happiness.