Vitamin A is a fat-soluble vitamin in the vitamin family and plays an important role in the metabolism of human epidermal cells. It helps epidermal cells to resist the invasion of bacteria, has a protective effect on the skin and mucous membranes, prevents night blindness, and dry eye syndrome, and plays an important role in promoting bone growth.
Many foods are rich in vitamin A, such as carrots, cod liver oil, animal offal, fish, chicken, eggs, duck eggs, milk, spinach, pumpkin, eggplant, sweet potato, white fungus, fungus, and so on. If the deficiency is severe, take some vitamin A supplements orally while eating foods rich in vitamin A.
Vitamin A deficiency:
1. Memory loss, irritability, and insomnia.
2. The hair is dry and easy to fall off. Poor vision in the dark, prone to night blindness.
3. Susceptible to gingivitis.
4. Susceptible to colds and pneumonia.
5. Dry and peeling skin, sweat glands, and sebaceous glands atrophy.
6. Weak gastrointestinal function and chronic diarrhea.
7. Decreased immune and reproductive function, susceptible to infection.
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