If fruits are not consumed properly, they can be harmful to the body. [China Food]
Food experts suggest that people with a "heaty" constitution should eat more cooling fruits like apples, pears, bananas, and watermelons, and avoid eating more "warming" fruits like grapes, oranges, and cherries. Diabetics should eat fruits that help lower blood sugar, such as apples, pineapples, bayberries, grapes, bananas, pears, figs, lychees, and lemons. Patients with acute nephritis should not eat bananas but should eat apples, because bananas contain a higher amount of sodium, which can worsen edema and increase the burden on the heart and kidneys. Patients with ulcers and excessive stomach acid should eat fruits like apples and avoid acidic fruits like lemons, bayberries, and plums. Patients with myocardial infarction and stroke should eat easily digestible fruits like apples, watermelons, and bananas, and avoid fruits like persimmons, which contain tannic acid and can aggravate their condition. Patients with heart failure and severe edema should eat apples and avoid fruits with high water content like watermelons, pears, and pineapples. Anemic patients should eat fruits like apples and pears and avoid fruits like oranges and persimmons, as they easily bind with iron and hinder the absorption of iron from other foods.