Onions are a common ingredient on our table. Many foods will become delicious when added to the cooking process. Moreover, onions are rich in folic acid, potassium, zinc, vitamin C, zinc, selenium and other nutrients. Therefore, eating onions can lower blood pressure, prevent colds, rejuvenate the brain, and also have anti-aging effects and enhance immunity and metabolism. Although eating onions will leave a great taste in the mouth, they are still liked by many people. However, although onions are good, they should not be eaten more, especially for the following people. After eating onions, there will be a series of side effects

1, people with poor eyesight, it is best not to eat too much and don't touch. The substance contained in onion is not good for eyes. So try to avoid cutting onions with a kitchen knife.

? ? 2. Patients with kidney disease should eat less onions. If you eat too many onions, it will increase the burden on your kidneys. Especially for some special patients, please try not to eat or touch them.

3. The digestive system is not a very good person. People with poor gastrointestinal tract are more vulnerable than ordinary people. Onions have a spicy taste. So this kind of people can't eat raw onions, but they can eat cooked onions in moderation.

But in addition to the above two types of people, even healthy normal people should not eat too many onions. Any food should be eaten in moderation. If excessive, the human body may not be able to bear this kind of nutrition, but it will have adverse effects.

We can also use onions to improve hair quality. Cut onions in half, cut them into small pieces, mash them and put them in gauze bags. Wet your hair with warm water first, then gently wipe it with a gauze bag in your hand, so that onion juice can completely penetrate into the hair roots, and then rinse it with warm water. Long-term persistence can relieve itching and dandruff, promote hair growth and make hair soft and shiny!