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Stress and affects on body

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    Stress and affects on body






    With the increase of demand in society today people are more vulnerable to the effects of stress. Stress does not just have to be emotional, but could also be enviromental,metabolic,chemical. No matter what type of the stress the body will handle it pretty much same way. Hopefully this article will make more people aware of the mental and biological effects of stress. One of the ways of dealing with stress is to avoid it if possible. If this is not possible then as Trouble strongly suggests stress management and if severe enough stress therapy needs to be implimented before the effects are detrimental. Today while wathcing the news they mentioned that sleep deprivation was on the increase and more then 43 million perscriptions of sleep pills where dispensed last year. This article probably just gives just a small insight to what really is going on. I am sure at the cellular level there is even more going on and If trouble wishes to elaborate on that it would defiinetly be informative.


    The Stress Circuit
    The HPA axis is a feedback loop by which signals from the brain trigger the release of hormones needed to respond to stress. Because of its function, the HPA axis is also sometimes called the “stress circuit.”

    Briefly, in response to a stress, the brain region known as the hypothalamus releases corticotropin-releasing hormone (CRH). In turn, CRH acts on the pituitary gland, just beneath the brain, triggering the release of another hormone, adrenocorticotropin (ACTH) into the bloodstream. Next, ACTH signals the adrenal glands, which sit atop the kidneys, to release a number of hormonal compounds.

    These compounds include epinephrine (formerly known as adrenaline), Norepinephrine (formerly known as noradrenaline) and cortisol. All three hormones enable the body to respond to a threat. Epinephrine increases blood pressure and heart rate, diverts blood to the muscles, and speeds reaction time. Cortisol, also known as glucocorticoid, releases sugar (in the form of glucose) from the body reserves so that this essential fuel can be used to power the muscles and the brain.

    Normally, cortisol also exerts a feedback effect to shut down the stress response after the threat has passed, acting upon the hypothalamus and causing it to stop producing CRH.

    This stress circuit affects systems throughout the body. The hormones of the HPA axis exert their effect on the autonomic nervous system, which controls such vital functions as heart rate, blood pressure, and digestion.

    The HPA axis also communicates with several regions of the brain, including the limbic system, which controls motivation and mood, with the amygdala, which generates fear in response to danger, and with the hippocampus, which plays an important part in memory formation as well as in mood and motivation. In addition, the HPA axis is also connected with brain regions that control body temperature, suppress appetite, and control pain.

    Similarly, the HPA axis also interacts with various other glandular systems, among them those producing reproductive hormones, growth hormones, and thyroid hormones. Once activated, the stress response switches off the hormonal systems regulating growth, reproduction, metabolism, and immunity. Short term, the response is helpful, allowing us to divert biochemical resources to dealing with the threat.

    Stress, heredity, and the environment
    According to Dr. Chrousos, this stress response varies from person to person. Presumably, it is partially influenced by heredity. For example, in most people the HPA axis probably functions appropriately enough, allowing the body to respond to a threat, and switching off when the threat has passed. Due to differences in the genes that control the HPA axis, however, other people may fail to have a strong enough response to a threat, while still others may over respond to even minor threats.

    Beyond biological differences, the HPA axis also can alter its functioning in response to environmental influences. The HPA axis may permanently be altered as a result of extreme stress at any time during the life cycle — during adulthood, adolescence, early childhood, or even in the womb.

    If there are major stresses in early childhood, the HPA feedback loop becomes stronger and stronger with each new stressful experience. This results in an individual who, by adulthood, has an extremely sensitive stress circuit in place. In life threatening situations — such as life in an area torn by war — this exaggerated response would help an individual to survive. In contemporary society, however, it usually causes the individual to overreact hormonally to comparatively minor situations.

    Effects on the body
    Stress and the Reproductive system

    Stress suppresses the reproductive system at various levels, says Dr. Chrousos. First, CRH prevents the release of gonadotropin releasing hormone (GnRH), the “master” hormone that signals a cascade of hormones that direct reproduction and sexual behavior. Similarly, cortisol and related glucocorticoid hormones not only inhibit the release of GnRH, but also the release of luteinizing hormone, which prompts ovulation and sperm release. Glucocorticoids also inhibit the testes and ovaries directly, hindering production of the male and female sex hormones testosterone, estrogen, and progesterone.

    The HPA overactivity that results from chronic stress has been shown to inhibit reproductive functioning in anorexia nervosa and in starvation, as well as in highly trained ballet dancers and runners. For example, in one study, Chrousos found that men who ran more than 45 miles per week produced high levels of ACTH and cortisol in response to the stress of extreme exercise. These male runners had low LH and testosterone levels. Other studies have shown that women undertaking extreme exercise regimens had ceased ovulating and menstruating.

    However, the interaction between the HPA axis and the reproductive system is also a two way street. The female hormone estrogen exerts partial control of the gene that stimulates CRH production. This may explain, why, on average, women have slightly elevated cortisol levels. In turn, higher cortisol levels, in combination with other, as yet unknown, factors, may be the reason why women are more vulnerable than men to depression, anorexia nervosa, panic disorder, obsessive compulsive disorder, and autoimmune diseases like lupus and rheumatoid arthritis.

    Growth and stress
    The hormones of the HPA axis also influence hormones needed for growth. Prolonged HPA activation will hinder the release of growth hormone and insulin-like growth factor 1 (IGF-1), both of which are essential for normal growth. Glucocorticoids released during prolonged stress also cause tissues to be less likely to respond to IGF-1. Children with Cushing’s syndrome — which results in high glucocorticoid levels — lose about 7.5 to 8.0 centimeters from their adult height.

    Similarly, premature infants are at an increased risk for growth retardation. The stress of surviving in an environment for which they are not yet suited, combined with the prolonged stress of hospitalization in the intensive care unit, presumably activates the HPA axis. Growth retarded fetuses also have higher levels of CRH, ACTH, and cortisol, probably resulting from stress in the womb or exposure to maternal stress hormones.

    Old research has also shown that the stress from emotional deprivation or psychological harassment may result in the short stature and delayed physical maturity of the condition known as psychosocial short stature (PSS).

    PSS was first discovered in orphanages, in infants who failed to thrive and grow. When these children were placed in caring environments in which they received sufficient attention, their growth resumed. The children’s cortisol levels were abnormally low, a seeming contradiction, which Chrousos investigated by studying a small, non-human primate, the common marmoset. These monkeys live in small family groups in which infants are cared for by both parents. As in human society, the infants are sometimes well cared for, but sometimes abused. Like humans, the abused monkeys showed evidence of PSS.

    The researchers determined that the stressed and abused monkeys appeared to respond normally to stress, but seemed unable to “switch off” the stress response by secreting appropriate cortisol levels, thereby remaining in a state of prolonged stress arousal as compared to their peers.

    The gastrointestinal tract and stress
    As many of us know, stress can also result in digestive problems. The stress circuit influences the stomach and intestines in several ways. First, CRH directly hinders the release of stomach acid and emptying of the stomach. Moreover, CRH also directly stimulates the colon, speeding up the emptying of its contents. In addition to the effects of CRH alone on the stomach, the entire HPA axis, through the autonomic nervous system, also hinders stomach acid secretion and emptying, as well as increasing the movement of the colon.

    Also, continual, high levels of cortisol — as occur in some forms of depression, or during chronic psychological stress —can increase appetite and lead to weight gain. Rats given high doses of cortisol for long periods had increased appetites and had larger stores of abdominal fat. The rats also ate heavily when they would normally have been inactive. Overeating at night is also common among people who are under stress.

    The immune system and stress
    The HPA axis also interacts with the immune system, making you more vulnerable to colds and flu, fatigue and infections.

    In response to an infection, or an inflammatory disorder like rheumatoid arthritis, cells of the immune system produce three substances that cause inflammation: interleukin 1 (IL-1), interleukin 6 (IL-6), and tumor necrosis factor (TNF). These substances, working either singly or in combination with each other, cause the release of CRH. IL-6 also promotes the release of ACTH and cortisol. Cortisol and other compounds then suppress the release of IL-1, IL-6, and TNF, in the process switching off the inflammatory response.

    Ideally, stress hormones damp down an immune response that has run its course. When the HPA axis is continually running at a high level, however, that damping down can have a down side, leading to decreased ability to release the interleukins and fight infection.

    In addition, the high cortisol levels resulting from prolonged stress could serve to make the body more susceptible to disease, by switching off disease-fighting white blood cells. Although the necessary studies have not yet been conducted, Dr. Chrousos considers it possible that this same deactivation of white blood cells might also increase the risk for certain types of cancer.

    Conversely, there is evidence that a depressed HPA Axis, resulting in too little corticosteroid, can lead to a hyperactive immune system and increased risk of developing autoimmune diseases — diseases in which the immune system attacks the body’s own cells. Overactivation of the antibody-producing B cells may aggravate conditions like lupus, which result from an antibody attack on the body’s own tissues.

    Stress-Related Disorders
    One of the major disorders characteristic of an overactive HPA axis is melancholic depression. Chrousos’ research has shown that people with depression have a blunted ability to “counterregulate,” or adapt to the negative feedback of increases in cortisol. The body turns on the “fight or flight” response, but is prevented from turning it off again. This produces constant anxiety and overreaction to stimulation, followed by the paradoxical response called “learned helplessness,” in which victims apparently lose all motivation.

    Hallmarks of this form of depression are anxiety, loss of appetite, loss of sex drive, rapid heart beat, high blood pressure, and high cholesterol and triglyceride levels. People with this condition tend to produce higher-than-normal levels of CRH. The high levels of CRH are probably due to a combination of environmental and hereditary causes, depending on the person affected.

    However, rather than producing higher amounts of ACTH in response to CRH, depressed people produce smaller amounts of this substance, presumably because their hippocampuses have become less sensitive to the higher amounts of CRH. In an apparent attempt to switch off excess CRH production, the systems of people with melancholic depression also produce high levels of cortisol. However, by-products of cortisol, produced in response to high levels of the substance, also depress brain cell activity. These by-products serve as sedatives, and perhaps contribute to the overall feeling of depression.

    Other conditions are also associated with high levels of CRH and cortisol. These include anorexia nervosa, malnutrition, obsessive-compulsive disorder, anxiety disorder, alcoholism, alcohol and narcotic withdrawal, poorly controlled diabetes, childhood sexual abuse, and hyperthyroidism.

    The excessive amount of the stress hormone cortisol produced in patients with any of these conditions is responsible for many of the observed symptoms. Most of these patients share psychological symptoms including sleep disturbances, loss of libido, and loss of appetite as well as physical problems such as an increased risk for accumulating abdominal fat and hardening of the arteries and other forms of cardiovascular disease. These patients may also experience suppression of thyroid hormones, and of the immune system. Because they are at higher risk for these health problems, such patients are likely to have their life spans shortened by 15 to 20 years if they remain untreated.

    Although many disorders result from an overactive stress system, some result from an under active stress system. For example, in the case of Addison’s disease, lack of cortisol causes an increase of pigment in the skin, making the patient appear to have a tan. Other symptoms include fatigue, loss of appetite, weight loss, weakness, loss of body hair, nausea, vomiting, and an intense craving for salt. Lack of the hormone CRH also results in the feelings of extreme tiredness common to people suffering from chronic fatigue syndrome. Lack of CRH is also central to seasonal affective disorder (SAD), the feelings of fatigue and depression that plague some patients during winter months.

    Chrousos and his team, showed that sudden cessation of CRH production may also result in the depressive symptoms of postpartum depression. In response to CRH produced by the placenta, the mother’s system stops manufacturing its own CRH. When the baby is born, the sudden loss of CRH may result in feelings of sadness or even severe depression for some women.

    Recently, Dr. Chrousos and his coworkers uncovered evidence that frequent insomnia is more than just having difficulty falling asleep. The researchers found that, when compared to a group of people who did not have difficulty falling asleep, the insomniacs had higher ACTH and cortisol levels, both in the evening and in the first half of the night. Moreover, the insomniacs with the highest cortisol levels tended to have the greatest difficulty falling asleep.

    The researchers theorized that, in many cases, persistent insomnia may be a disorder of the stress system. From their ACTH and cortisol levels, it appears that the insomniacs have nervous systems that are on overdrive, alert and ready to deal with a threat, when they should otherwise be quieting down. Rather than prescribing drugs known as hypnotics to regulate the sleep system, the researchers suggested that physicians might have more success prescribing antidepressants, to help calm an overactive stress system. Behavior therapy, to help insomniacs relax in the evening, might also be useful.

    After conducting many years of research into the functioning of the HPA axis, Dr. Chrousos concluded that chronic stress should not be taken lightly or accepted as a fact of life.

    “Persistent, unremitting stress leads to a variety of serious health problems,” Dr. Chrousos said. “Anyone who suffers from chronic stress needs to take steps to alleviate it, either by learning simple techniques to relax and calm down, or with the help of qualified therapists.



    http://www.nih.gov/news/pr/sep2002/nichd-09.htm

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    Since many of us are in sympathetic mood. I was wondering what can be done to reduce this and swtiched back to parasympthetic mood.

    Things that i have done
    1. cut out all stimulents
    2. Acupunture
    3. Practice transcendal mediation 20 minutes in the morning and before going to bed
    4. Working on getting body back to an alklaine state - very acid
    5. neurotransmitter support - 200 mgs theanine every 4-6 hours, 3000 mgs vitamin C, 100 mgs gabba 3 times a day, 2000 mgs acetlycarnitine, 1000 mgs tyrosine 1-2 times daily, 200 mgs 5 htp, 3 mgs melatonin before bed.
    6. besure to get atleast 1/2 hour sunlight a day if not sit infront of light box in the morning
    7. Practice deep breathing exercises
    8. pray
    9. cut computer time off before 8 pm
    10 excersise
    11. balanced diet - to much protein and low carbs for extended time can over stimulate dopamine possible, lower serotonin

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    I would rethink the neurotransmitter support.

    ALCAR can aggravate a hyperstimulated system.

    5-HTP has a byproduct reaction, one that is controlled with use of a drug in Europe, but its not sold here in the US. Tyrosine, I would dose at half of your recommendation, just 500 mg monring and afternoon. I would also use inositol and taurine throughout the day, but no taurine just before bed.

    Magnesium is often depleted in stressed indivduals, as are methyl donors and various antioxidants. NAC, K-R-ALA, vitamin E complex, and DHA/EPA (fish oil omega-3 fats) and magnesium citratate would be good choices, as would Coenzyme Q10 and possibly ibedenone (a short fatty acid chain derivative of Q10 that crosses the BBB int he brain). Folic acid, B6, B12, TMG or sam-e, and a good low dose B-vitamin supp, plus a multi-mineral would be a good idea as well.

    Belly breathing, as a mechanism to adjust habitual shallow and breath holding - natural reflexive reactions to chronic stress - is also a good practice to adopt. This is NOT deep breathing, which can aggravate stress conditions. This is slow relaxed pace breathing from the abdomin, on a count of 4 in, 2 hold, four out, two hold. The breath is held lightly, the breathing pace is slow and relaxed and breathing is never forced. The belly is filled first, then the chest rises slowly. This turns OFF solar plexus nerves that stimulate the HPA into ACTH release. Belly breathing can be used during walking, at a moderate pace, to promote proper reflexive breathing and to counter stressful breath holding common in adults under chronic stress loading.

    I recommend green tea and oolong teas, with relatively low stimulant content and high antioxidant content. Otherwise, water. No sodas and very limited amonts of coffee, never in the late afternoon.

    I find accupuncture to be best for treating specific disorders, not as a general treatment for chronic stress. I would recommend a good whole body message, which has been shown to be very beneficial for lowering cortisol, every week or every other week, 30 min.

    Music can be theraputic, when its not used as a background or distractive element, but instead is allowed to promote brain wave patterns associated with relaxation and reduced stress response. This is used deliberately, as a form of stress management, once per day.

    Meditation is useful, but transendental meditation as a practice is not necessary to achieve relaxation and reduction of stress. Sitting quietly, without distraction, clearing the mind, using belly breathing exercises to lower BP, slow heart rate and reduce stimulatory brain activity, is a good idea and can be practiced by anyone, with relatively little training.

    Contrary to the recommendations above, unless you have excellent insulin sensitivity, moderately higher protein intake with a diet rich in fiberous vegetables and modest in fruits and mid GI release soluble-fiber rich grains is best. If you have stress issues, insulin function will be impaired, and insulin dumping results as a response to eating - virtually anything - in larger quantities. Keep serving sizes lower, eat fiber rich vegetables with each meal and use soluble fiber to mitigate insulin spikes after each meal.

    Stretching, regular moderate walks to clear the mind and promote healthy breathing one or more times per day (20-30 min), frequent tension relieving breaks during the work day, proper rest and good sleep hygiene, and a reduction in use of cell phones and television, game playing, and reliance on stimulants and stimulating music (distractions) also helps reduce hyperstimulation of the brain from actions that becomes habitual and perpetuate excess stress hormone release over time.

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    Thank you trouble I will make these modifications you have suggested. The mediation i practiced is listening to relaxation tapes of nature and clearing the mind and focus on breathing as you mentioned. As for the Fish oils I am waiting on RBC lipid test to come back because like justin drs suggested fish oils as well which I have been on for 2 years straight, and I was starting to experience excessive bleeding from them. Once I stopped the oils bleeding stopped, plus I have read that people with low platelets counts should be cautioned taking fish oils. I saw a correlation between CRP and fish oils where healthy levels where <1 mine where at .15. You hit the nail on the head about being an undermythenated . Like Gustin I have been expereince major constipation. Could the constipation be from the excessive adrenaline blocking the serotonin levels from binding to the receptors. My urine test showed histamines off the chart so as you mentioned before I have been following protocol for elevated histamines and waiting to for blood test to come back for whole blood histamine. The major problem is breaking down the phospholopid billayer of cellmembranes is the one i am highly concerned about. All the vitaminss /nutrients are in the blood but are not crossing the cell membrane into the tissue. Do you think this problem could be a problem with insulin dysregulation (insulin deficeincy) from prolong stress. According to all the blood test I am not insulin resistant, but could one be insulin insufficent even though blood sugar is with in the normal range. Thank you for all your imput

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    basically I am at the point where all the infections are gone, but the body has not return to autonomic balance and hypothalamus is still misfiring. My Serotonin, dopmamine, gabba, acetlycholine levels are all very low and adrenanaline, histamine is elevated. This is the problem I am working on resolving now.

    I think more people that are dieting need to beware of the possible dangerous of altered neurochemistry it can cause on top of the dealing pressures of fast paced lives today. I have an idea that this was what caused my immune system to go down and be more vulnerable to bacterial infections. I can only speculate that taking tyrosine along with caffine ephederine and eating a high protein, low carb moderate diet for many weeks caused a serotonin deficiency and dopmaine excess putting my body in accelerated stress mode resulting in casacade of events.

    Can stress also prevent nutrient uptake into the cell as well as low kreb cycle function.
    Last edited by hardasnails1973; 04-14-2006 at 08:02 AM.

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    Trouble how can you tell if your adrenals or low or high when the symptoms appear identical? My blood pressure was 100/72 which is concidered normal, but according to other standards it is low. My blood pressure stays consistant even when adrenal stress index should that I was dangerously low 24 hours of the day. My salvia cortisol came back elevated dhea and low cortsiol dispite the serum showing normal cortisol and low normal dhea levels. I have been praticing every thing you have recommended and it has been keeping me more calm and relaxed. I have a idea my cAMP levels are very low, but I do not know how to test them. Since my blood pressure is alittle low I will start adding alittle more sea salts. I have read that if adrenals are low then magnesium just seems to leak out of your cells and that you have to plug the hole so to speak. I just feel dehydrating and my heart i can feel beating against my pillow at night, constipated as can be. Could the constipation be from the blood being diverted to other areas rather then intestines, bowel, urinary tract.? Thanks

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