Onions are not hairy.
From the point of view of Chinese medicine, it means some spicy and stimulating food, such as onion, ginger, garlic, chili, etc., or some meat, such as mutton, fish, etc., because of eating its easy to sores or sores further aggravate the symptoms. But from a modern nutritional point of view, experts say that the onion is not the so-called hair, it is a warm food, and the elderly can eat more.
The onion is flat, sweet and pungent, with the role of stomach and digestion, laxative and diuretic and sweating. And recent medical research has found that onions contain sulfides, flavonoids, prostaglandins and other chemical compounds. It can be seen that onion is actually a relatively healthy vegetable, it can be eaten raw, can also be cooked and heated to eat, especially for the elderly suffering from chronic cardiovascular disease can also be eaten.
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Expanded information: "Hair" is a concept unique to Chinese medicine. The so-called "hair" can be understood as "trigger, trigger, help hair", easy to trigger some of the old disease or aggravate the existing disease food collectively referred to as "hair". The so-called hairy food is some of the stimulating or high protein and fat content of the food, the former to pepper and other spices as a representative, the latter is easy to cause allergies to eggs, milk, red meat and seafood as a representative. Foods that are more nutritious or irritating have an effect on some medical conditions, so don't eat them during treatment. Hairy food involves a variety of food, folk recognized as, mutton, pork, pig's trotters, and goose meat. /baike.baidu.com/item/%E5%8F%91%E7%89%A9/508794?fr=aladdin "target="_blank "title="Baidu Encyclopedia - Hair" >Baidu Encyclopedia - Hair