Thay đổi chế độ ăn uống. Quan sát trẻ nhỏ để đảm bảo các em vui chơi an toàn. Tránh phơi nắng trong thời gian dài.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Eating a healthy diet rich in vitamins and minerals will help your body to heal itself faster and prevent bruising in the first place. In particular, vitamins C and K are important for preventing bruises.  Vitamin C lessens bruising by strengthening capillary walls, making them less likely to leak blood when bumped or knocked against. Severe deficiency of vitamin C (scurvy) can result in bruising. It often occurs in the chronically institutionalized, severely malnourished, and alcoholics. Good s