Hidden hunger refers to the hunger symptoms of hidden nutritional requirements caused by the body's nutritional imbalance or lack of certain vitamins and essential minerals of the human body, while there is excessive intake of other nutrients. According to the above definition, Which of the following are hidden hunger:. ['Uncle A is determined to go on a diet. He recently replaced the staple food with green vegetables and apples.', 'In order to get a fit body, B Xiaobai insists on six meals a day, with a small amount of each meal, which contains staple food, fruits and vegetables, and egg milk.', "Uncle C, because of weak stomach, used Qing porridge and hot soup as his main diet for health. He didn't often eat big fish and raw cold fruits, but later suffered memory loss due to a lack of protein and vitamins in his diet.", "iaoli likes high-salt, high-sugar, high-calorie junk food. He is indifferent to the doctor's persuasion. He found that he had high blood sugar, high blood lipids, high blood pressure and other problems during a physical examination several years later."]