Symptoms of vitamin A deficiency?

Update Date: Source: Network

summary

Vitamin as one of the six nutrients, absolutely can not be lack, and vitamin A as a kind of vitamin, has a great help to the human body, so how should we identify ourselves is vitamin A deficiency?

Symptoms of vitamin A deficiency?

Lack of vitamin A, the most obvious symptom is night blindness. That is, in the dark light, can not see things clearly, can not adapt to the dark environment. At the same time, there will be corneal dryness, turbidity, and sometimes ulcers, leading to decreased vision.

Lack of vitamin A, there will be slow growth and development, prone to respiratory infections, digestive tract infections and other diseases. This is often caused by insufficient intake or poor absorption. Vitamin A deficiency can also cause skin dryness and desquamation, which are common in older children.

Lack of hygien a can cause dullness of taste and sense of smell, affect appetite and do not think about food and tea. It's a mild symptom of vitamin A. Lack of vitamin A, but also lead to the decline of human immunity. Because vitamin A can promote the synthesis of immunoglobulin, it has an important impact on human immune function. Lack of vitamin A can also lead to hair loss. Because expert research shows that vitamin A can effectively inhibit hair loss.

matters needing attention

The eyesight of the eye drops, and you can't see anything as soon as it gets dark. In this case, you need to eat some carrots, which can supplement vitamin A and is good for your health. Vitamin A deficiency is severe, easy to get dry eye disease, symptoms of conjunctival dryness, in order to prevent, should be more vegetables and fruits to supplement vitamin A, rape, pepper, tomato, Hami melon, etc.