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Stress it self is a risk factor for heart disease, it could be because chronic stress exposes your body to unhealthy, persistently elevated levels of hormones like adrenaline and cortisol and causing arteries to constrict.
Studies also link stress to changes in the way blood clots, which increases the risk of heart attack.
The Effects of Chronic Stress on the heart and cardiac system
The effects of chronic stress can create significant damage to the cardiac system by
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Increasing the risk of coronary artery disease
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Elevating blood pressure
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Increasing atherosclerosis
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Increasing risk of myocardial infarction
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Stress is a reaction to changes that require you to adjust or respond. Our bodies are designed to feel stress and react to it.
Sudden stress like when lion come closer increases the pumping of heart and heart beat, while at the same time causing the arteries to constrict (narrow). This restricts blood flow to the heart. Such actions may be responsible for some cases of acute stress that have been associated with a higher risk for serious heart problems. These problems include heart rhythm abnormalities and heart attacks, and even death in people with heart disease.
Stress causes blood to become stickier (possibly in preparation of potential injury), increasing the likelihood of an artery-clogging blood clot.
Chronic stress may lead to the production of immune factors called cytokines. Cytokines produce a damaging inflammatory response, which is now believed to be responsible for damage to the arteries. Such damage contributes to heart disease.So chronic stress may lead to heart disease or at least increase the risk of the same
Treatments that reduce psychological distress improve long-term outlook in people with heart disease, including after a heart attack. Some evidence indicates that stress management programs may reduce the risk of heart attacks by up to 75% in people with heart disease. Specific stress management techniques may help some problems but not others. For example, acupuncture in one study helped people with heart failure but had no effect on blood pressure. Relaxation methods, on the other hand, may help hypertensive individuals.
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