Symptoms of lack of VA?

summary

Vitamin A is very important for human health. With sufficient vitamin A, people's resistance can be improved. However, if vitamin A deficiency occurs in the human body, rhodopsin can't produce photosensitive cells, which will lead to the decline of the adaptability of the eyes. When the human body moves from a bright place to a relatively dark place, Due to the lack of vitamin E, the eyes can not adjust the eye state in time, and the role of photoreceptor cells will be weakened, which will lead to people's inability to see clearly in the dark for a short time, and they will feel dark in front of them. So vitamin A is very important.

Symptoms of lack of VA?

1. The main cause of night blindness is the lack of vitamin A in the diet, or if people use eyes frequently in their daily life, it will lead to excessive consumption of vitamin A. if the vitamin A in the human body is insufficient, then the ability to adapt to the dark will be significantly reduced, and night blindness will also occur. So if you want to cure night blindness, the most important thing is to supplement vitamin A.

2. The lack of vitamin A in the human body will not only cause the decline of vision, but also cause the aging of the whole body's epithelial tissue. In other words, these people who lack vitamin A will look older than those of the same year, because the cuticle of the skin will age, and the fine lines will become very obvious. So all aspects of the body mechanism will also be affected.

3. We all know that vitamin A plays a decisive role in the decline of immune function. So usually you can supplement some vitamin a properly. Of course, the supplement of vitamin A is not only through drugs. The best thing is to eat some foods rich in vitamin A, such as carrots, which have high vitamin a content. You can eat some at ordinary times.

matters needing attention

Not all vitamins need the more the better, so although vitamin A is very important for us, we should also pay attention to the amount of intake. Do not take a lot of excessive vitamin A because of anxiety, which is also harmful to the human body.