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5 effects of stress that make the body susceptible to heart disease

Báo Thanh niênBáo Thanh niên29/09/2024


Stress is a natural reaction that occurs when the body experiences certain changes or challenges in life. The heart beats faster, blood pressure increases immediately, helping us stay alert, increasing the ability to react to danger. At this time, stress is a natural reaction of the body and is beneficial, according to the health website Healthline (USA).

5 tác động của căng thẳng khiến cơ thể dễ mắc bệnh tim- Ảnh 1.

Chronic stress causes blood pressure to rise regularly, increasing the risk of cardiovascular disease.

However, chronic stress causes blood pressure to remain consistently high. This condition affects many different parts of the body, including the heart.

When stress occurs, the body will have the following reactions:

Increased cortisol levels

Stress stimulates the body to release the stress hormone cortisol, which causes blood pressure to rise. High levels of cortisol in the body over a long period of time will cause blood pressure to remain consistently high, contributing to high blood pressure.

Activating the sympathetic nervous system

Stress activates the sympathetic nervous system, increasing heart rate and constricting blood vessels. Repeated episodes of this can put stress on the cardiovascular system.

Endothelial dysfunction

Stress disrupts the function of the endothelium, the inner lining of blood vessel walls, leading to reduced production of nitric oxide. This reduces the ability of blood vessels to dilate. Narrower blood vessels increase blood pressure and the risk of heart disease.

Infection

Chronic stress leads to inflammation in the blood vessels. This condition causes atherosclerosis, which is the buildup of plaque in the artery walls. This narrows the blood vessels, making it difficult for blood to flow and increasing the risk of heart disease.

Hyperglycemia

Stress stimulates the release of glucose into the bloodstream, providing the body with a quick source of energy to deal with an immediate threat. Chronic stress causes blood sugar to remain consistently high, leading to insulin resistance. This is a factor that leads to diabetes and cardiovascular disease, according to Healthline.



Source: https://thanhnien.vn/5-tac-dong-cua-cang-thang-khien-co-the-de-mac-benh-tim-185240927145958658.htm

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