Coronavirus and immune system: Vitamin D deficiency is a health risk

These days, while the whole world is in the clutches of the Covid-19 virus pandemic, I want to draw your attention to another pandemic, which is linked to vitamin D deficiency, which can be linked to the Coronavirus viral respiratory infection.  According to the survey, 70 percent of people suffer from vitamin D deficiency, 32 percent of health professionals have vitamin D deficiency, 48 percent have children aged 9 to 11 years, and 76 percent have pregnant women, while 1 billion people are estimated to be deficient in vitamin D.

The biggest reason for vitamin D deficiency is that many of us are unaware that sun exposure is our most important source of vitamin D. In addition, we should know that in the last 40 years, only a few foods naturally contain vitamin D because of intensive breeding practices where animals do not eat naturally and do not see sunlight, so they first lack vitamin D.

Foods that are fortified with vitamin D are often inappropriate to meet our vitamin D requirement.

Vitamin D has been considered beneficial for years mainly for maintaining a good skeletal condition, but recent studies show that in addition to this, it is functional to improve the immune system, especially during the fight against viral respiratory infections. The basic mechanisms by which vitamin D deficiency can contribute to the development of viral diseases remain poorly understood. Possible interactions between viral infections and vitamin D appear to be more complex than previously thought, but on the other hand, the antiviral effects of vitamin D can be explained by catecholidine (in the form of LL-37), human beta defensivein 2, and perhaps by releasing reactive oxygen species. Among other things, it coincides with the fact that those undergoing treatment for Vit D supplements are less prone to seasonal flu. Vitamin D deficiency has been believed to cause only rickets in children and osteopenia, osteoporosis, and fractures in adults, but recent research shows that vitamin D deficiency may be associated with an increased risk of common cancers, autoimmune diseases, hypertension, and infectious diseases.

So living in an unhealthy, polluted environment with little access to sunlight makes people in the majority, who are already part of high-risk groups with a disabled immune system, perhaps causing the last straw. Can the Covid-19 virus be defined as conclusion?

Vitamin D is a liposoluble steroid prohormone, which comes in two forms: – D2 (ergocalciferol) and has exogenous origin, can be found in food and D3 (holecalciferol), is synthesized by 7 – dehydrocholesterol as a result of the sun’s radiant ultraviolet skin .

In humans, vitamin D is synthesized by the skin. A with direct sunlight exposure, it is the primary source; and this is due to the conversion of the molecule “7-dehydrochlosterol” by UVB rays into the skin, into the cholecalciferol vitamin D3. This means that you should try to expose the larger area of ​​your body to the sun for at least 15 minutes every day from 10 a.m. to 3 p.m.

The solution to using vitamin D is exposure to sunlight, which is free but without excessive sun exposure, as well as the use of supplements.

Now that it is almost impossible to go out on the street, of course after taking the necessary precautions, we need to repeat this daily routine. We have to be exposed to the sun for at least 15 minutes every day. In particular, you need to give the sun access to the categories at risk, the elderly and those with a weak immune system.

Vitamin D is most present in fish meat, fish oil and egg yolk. During this time, canned tuna can also be a great alternative given the difficulty of accessing fresh food.

So it should be remembered that the intake of antioxidants such as vitamin C, it is important to keep the immune system high when we are healthy, but it works less when we are already sick. Vitamin D instead can be an important weapon in the fight against the disease and of course following a well-balanced, healthy and varied diet, you can keep your physical condition and defense system at the top.

Written by Natasha

Nutritionist. Obsessed with a healthy diet and a healthy lifestyle. Category. Intuitive. Self-critical. Love books. Love to write.


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