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Why Is Cortisol Important

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Cortisol is a steroid hormone, the main glucocorticoid hormone made in the cortex of adrenal glands. It is responsible for regulating the metabolism of proteins, fats, and carbohydrates. Cortisol is responsible for maintenance of homeostasis.
Cortisol is a stress hormone that releases under severe stress. It is released in moments of stressed, whether emotionally, physically, or environmentally. Cortisol plays an important role in regulating our body metabolism in breaking down protein to amino acids, which is then moved to liver. The liver then converts these excess amino acids to glucose.
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Each conducts a different function. The adrenal cortex is the outer portion of the adrenal gland and produces steroids such as aldosterone which reabsorbs sodium and releases potassium. The adrenal cortex is vital to sustain life. The adrenal medulla is the inner part of the adrenal gland and produces adrenaline hormones such as norepinephrine and epinephrine that are used in sudden stress

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Science 1. Free ears in dogs are controlled by dominant allele (F), and attached ears are controlled by the recessive allele (f). In addition, Short dogs is due to a dominant allele(S), and long hair is due to a recessive allele (s). Which of the following is the genotype of the dogs with free ears and short hair? a. ffss b. FfSs c. ffSs d. Ffss 2.

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An example of a disease that results from an imbalance in a negative feedback mechanism is Cushing’s Syndrome/disease. Cushing’s Syndrome occurs when our body produces high levels of a glucocorticoid hormone called cortisol. When produced at the ideal level, cortisol is very beneficial to our body for it helps regulate blood pressure and the immune system. A normal production of cortisol begins when a hormone (produced in the hypothalamus) called corticotropin-releasing hormone (CRH) stimulates cells in the pituitary gland that make the hormone called adrenocorticotropic hormone (ACTH). Adrenocorticotropic is then carried through the bloodstream to the adrenal gland where cortisol is produced.

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There are countless leaders that changed Canada’s history in both good and bad ways. Some leaders and prime ministers are forgotten as history proceeds. Many tried shaping Canada’s history and changing its reputation. Canada had great leaders that made tremendous benefits to improve their country. However, a very kind man named Richard Bennett became a prime minister in the worse of Canada’s economics situation.

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Often called the fight or flight reflex, stress has been known to save people’s lives, whether it be on a battlefield or some dangerous situation back home. Too much stress ultimately leads to health problems, but too little stress isn’t good for us either. When we go too long without a sharp stimulating response, the body loses its ability to handle stress properly (Tom Scheve, 2009). Somewhere between too much, and too little stress can actually be good for you, helping you perform under pressure. It is when someone cannot turn off that fight or flight feeling that it begins to show its negative effects.

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Because of to much cortisol it could cause some hallmark signs: like hypertension, obesity, weakness of muscles, a tendency to develop bruises. Some typical characteristics are: rapid deposit of fat; this rapid deposit of fat can be found between the shoulders it is called “buffalo hump”. There are also changes of a rounded

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Cushing’s Syndrome is a disease that involves an excess of the Adrenocorticotropic hormone (ACTH) from the pituitary gland, most likely because of cancerous cells (Helm). This causes an excess of cortisol to be made in the adrenal gland which creates the symptoms known as Cushing’s Syndrome. This can also be caused by a tumor on the adrenal gland which causes an overproduction of cortisol (Helm). Cortisol is a steroid hormone which helps regulate blood sugar as well as aid in the metabolism of protein, fat, and carbohydrates.

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Dopamine plays a huge role in feelings of pleasure and mood regulation. It produces two hormones called epinephrine and norepinephrine. Epinephrine raises the glucose levels in the blood system. Norepinephrine is a stress hormone that increases blood pressure. These two hormones are released when the body is under extreme stress.

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In the human body, exercise can be a source profound physiological changes. In particular, its impacts the release of fundamental hormones in the body. The adrenal glands is the body 's main site of steroid hormone release and it responds to increased physical activity through the release of hormones such as cortisol and aldosterone.(Buono & Yeager, 1991) Aldosterone is an essential hormone used by the body to maintain sodium and fluid balance. It exerts it effects by increasing sodium re-absorption and potassium secretion in the kidneys and in turn this also increases water resorption.(Garrett & Kirkendall, 2000)

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DNA and hormones have a manipulative effect on our daily life’s. For example Cortisol is the hormone that controls our energy levels in times of stress (DuVall). We all have experienced the feeling of being “stressed”. Some people tend to get stressed over little problems and some tend to get stressed over bigger problems. Dr. Nadolsky states that high levels of cortisol have been shown to cause cardiovascular issues.

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Stress is a natural human response that prompts us to address problems and situations. When under stress, your hormones are released and your body goes into a fight or flight response. You begin to sweat more, your heart rate and blood pressure increase, and your muscles tense. This is why stress is so detrimental to our health. Especially for African Americans, who are already at high risk for high blood pressure given that it's part of genetics.

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It affects the brain development (www, psycologytoday.com.) New York University Medical center studies show chronic stress from emotional abuse releases cortisol, a stress hormone that can affect the Hippocampus area of the brain associated with learning and memory (www.phycologytoday.com). The hippocampus is part of the limbic system--also known as the "emotional brain. " Why is this the case?

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INTRODUCTION The pituitary gland is a central endocrine organ that regulates basic physiological functions incuding growth, reproduction and metabolic homeostasis. It situates at the base of the brain, under the optic chiasm, inside a depression on the upper surface of the sphenoid bone, the sella turcica1 (Fig.1). Fig. 1

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The endocrine system is such an important system to the body because it functions the bodies use of hormones. The body uses many different hormones and the endocrine system regulates these. When the glands of the endocrine system secrete the hormones, the hormones are put into the bloodstream to be sent to the different parts of the body. The glands that comprise the endocrine system are the hypothalamus, the pituitary gland, and the pineal gland which are all located in the brain, the thyroid, parathyroid, and thymus which are located in the throat, the adrenals and pancreas which are located in the body’s midsection, and the ovaries (female) and testes (male) which are located in the pelvic region. The system is so important because it regulates the body’s metabolism, growth and sexual development, digestion, heart rate, and many of the other body functions regulated by hormones.

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The main mechanism is, as hippocampus is intensity sensitive to stress and the stress hormone glucocorticoids (GCs) (Bruce et al

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