After taking an X-ray, some of the rays will penetrate the body, and some of the rays will remain in the body, causing a certain amount of radiation to the human body. However, the dose of X-ray radiation used for the examination is within the range of national regulations, the impact on the human body is very small, and you can drink more water after the examination. After the X-ray, you can eat more protein foods, such as meat, eggs, milk, soy products, fish, shrimp and so on. You can also eat foods containing linoleic acid, such as walnuts, melon seeds, sesame seeds, peanuts and so on. Foods containing vitamin A and vitamin C, such as carrots, cod liver oil, pumpkin, lemons, kiwi, strawberries, oranges, broccoli, etc., can help fight radiation.