What daily habits weaken the body

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The immune system is designed to protect the body from all foreign substances from the outside, including viruses and bacteria. If immunity is weak, it leads to frequent diseases.

Many factors affect the immune system, but some human actions can also weaken it, experts believe. They told what daily habits you should pay attention to in order not to harm immunity.

Alcohol

Excessive alcohol consumption weakens the immune system, which has been confirmed by many scientists. According to a study published on the website of the National Center for Biotechnology Information, alcohol not only impairs the body's ability to defend itself against infection, but also leads to systemic inflammation, organ damage, and also hinders recovery after tissue damage.

Lack of sleep

Lack of sleep can negatively affect the immune system. Studies show that people who don't get enough sleep are more likely to get sick after being exposed to the virus. Lack of sleep can also affect the speed of recovery. Prolonged lack of sleep also increases the risk of obesity, diabetes and cardiovascular diseases.

Vitamin D deficiency

Vitamin D plays an important role in human health, in including affects the immune system. Researchers say that a deficiency of this element can lead to the development of autoimmune diseases, as well as an increased susceptibility to infections.

Stress

Chronic stress causes the body to produce more stress hormone – cortisol, which negatively affects immunity. According to the American Cancer Society, people who experience chronic stress are more prone to colds and viral infections. Excess cortisol also causes the body to store fat, which leads to weight gain.