What are the effects of vitamin A on skin care
March 19, 2024
What are the effects of vitamin A on skin care
According to a research report published in the Journal of the American Medical Association, researchers try to find out whether vitamin A can reduce the incidence rate of skin squamous cell carcinoma. The research team recruited 123570 male and female participants and conducted a follow-up study on them for over 26 years to evaluate their dietary vitamin A intake. Any case of skin cancer is confirmed through pathological reports. Researchers believe that data suggests that increasing dietary intake of vitamin A can reduce the risk of developing skin squamous cell carcinoma. The research team is from Brown University, led by Eunyoung Cho. Eunyoung Cho commented on the research findings, "Our study provides another reason for consuming large amounts of fruits and vegetables as part of a healthy diet. Skin cancer, including squamous cell carcinoma, is difficult to prevent, but this study suggests that in addition to applying sunscreen and reducing sun exposure, a healthy diet rich in vitamin A may also be a way to reduce the risk of cancer." The researchers studied multiple factors, such as hair color, the number of times participants experienced severe sunburn, and family medical history. Participants are required not to be exposed to sunlight at noon. The subjects who consume the maximum amount of vitamin A are equivalent to consuming two large carrots every day. The subjects who consume the minimum amount of vitamin A are equivalent to consuming a small carrot every day, which researchers point out is the recommended dietary intake in the United States. The data shows that compared to the subjects who consumed the minimum amount of vitamin A, the subjects who consumed the maximum amount of vitamin A on the same day had a 17% lower risk of skin cancer. The dietary intake evaluation results also showed that the group of subjects who consumed the maximum amount of vitamin A came from fruits and vegetables, rather than animal based foods or supplements. Vitamin A plays an important role in regulating cell growth and differentiation. Therefore, it can inhibit cancer development and regulate age-related macular degeneration and visual impairment. Although nutrient deficiency is rare in the United States, it is common in some developing countries/regions where people have limited access to foods rich in vitamin A.
Increasing food sources containing vitamin A is the most effective way to achieve optimal levels. Foods rich in vitamin A include sweet potatoes, spinach, carrots, cantaloupe, and mangoes. Other vegetables with similar benefits include cabbage, mustard leaves, kale, and radish leaves. Vitamin A is a group of vitamins that can be divided into two different categories: retinoids found in animal foods and carotenoids found in plant-based foods. These two types of vitamin A have different chemical compositions and provide different health benefits, but both are necessary for maintaining optimal health levels. Most carotenoids have anti-inflammatory and antioxidant functions, while retinoids are crucial for the generation of red blood cells. Both are particularly important for pregnant women and for helping the body fight against infections.
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