Lack of ‘Vitamin D’ lowers immunity and causes fatigue and depression
There is no modern person who does not know the importance of vitamin intake. However, there are vitamins that are relatively unknown compared to their importance because the types and effects of vitamins are too diverse for the general public to know. Vitamin D is one of them.
It is easy to be deficient in vitamin D due to the nature of modern life with little outdoor activity. The most accurate way to know if you are vitamin D deficient is to get a measurement at the hospital. However, if it is difficult to visit the hospital for various reasons, there is a way to pay attention to the vitamin D deficiency signal that the body informs. What are the signs that could indicate a vitamin D deficiency?
First, you can suspect ‘immunity decline’. One of the most important functions of vitamin D is helping the immune system work properly. Some studies have shown a link between vitamin D deficiency and an increased risk of infection. Therefore, if you feel that your immunity has weakened, such as a recent illness, you may suspect that you are lacking in vitamin D.
Unexplained fatigue is also one of the common symptoms of vitamin D deficiency. There is also a research result that sleepiness during the daytime is related to low vitamin D levels. Therefore, if you feel tired for no reason recently or your body generally sag, you may suspect that it is a symptom of vitamin D deficiency. Muscle pain that does not go away even though there has been no physical activity can also raise the same suspicion.
Depression can also be a sign of vitamin D deficiency. Vitamin D is known to have a significant effect on mood-related hormones such as serotonin.
There are many ways to replenish vitamin D. The most widely known method is ‘enough sunbathing’. However, due to the nature of modern life with little outdoor activity, it is often difficult to bask in the sun every day enough to solve vitamin D deficiency. In this case, you can consider taking vitamin D supplements or foods containing vitamin D, such as milk, eggs, and tuna.
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