Heridity Ans Hormones on Human Behavior

Heredity and Hormones on Human Behavior
By Patricia Morr
August 19,2010

Many things affect the way human behavior are shaped and by life experiences and how we react to those experiences can be traced back to hormones and our family histories. Both nature and how we were nutured affect human behavior.
We inherit certain genes from each of our parents at conception. When you put the two together it creates a whole new physical trait that can be apparent or appear later on in life. A person with anxiety, depression, schizophrenia and many other mental illnesses have a tendancy to also have a family history of the illness.
Having a blood relative with an certain type of behavioral illness will most   likely be apparent within the same family.
But also hormones are responsible for a number of human functions. Hormones have a huge impact on human behavior, especially mood. The endocrine system which is made up of the hypothalamus, putitary gland, the pineal body, thyroid gland, parathyroid glands, thymus, pancreas, adrenal glands, ovaries and testes all secrete different hormones. Many people become aware of hormones at the onset of puberity.
The thyroid gland that is responsible for metabolism is also responsible for a number of human behaviors. “An overactive gland can produce a variety of symptoms: overexcitability, insomnia, reduced attention span, fatigue, agitation, acting out of charcter, and snap decisions, as well as reduced concentration and difficulty focusing on a task.” (Morris and Maisto, 2005). Just as the thyroid gland is responsible for hormones that affect a number of behavioral symptoms, so too are other glands. Estrogen and testosterone are hormones that both men and women become aware of in early childhood. Both of these hormones are responsible for sexual desire but play different roles in opposite sexes. Testosterone has been attributed to triggering aggression although women can be aggressive also if they have high levels of...