Any situation that can harm the body or cause cell damage is called stress. If nutrition is adequate, the damage caused by stress will be eliminated quickly; otherwise, it will gradually destroy our health and make us sick. The stress or damage to the body caused by x-rays requires more nutrition: 1, more protein foods such as eggs, milk, meat, soy, fish and shrimp. 2, linoleic acid food such as walnuts, sunflower seeds, sesame seeds, peanuts, etc. 3, vitamin A and foods rich in vitamin A such as carrots, corn, pig liver, cod liver oil, pumpkin, etc. 4, vitamin C and foods rich in vitamin C such as lemons, kiwi, strawberries, peppers, oranges, broccoli, etc. 5, vitamin B complex and foods rich in vitamin B such as mao beans, cowpeas, cereals, yeast, egg yolk, eel, shiitake mushrooms, etc.