Chinese medicine believes that apples have the effects of promoting fluid production to quench thirst, moistening lung to relieve annoyance, invigorating spleen and stomach, nourishing heart and benefiting qi, moistening intestine to stop diarrhea, relieving summer heat and sobering up. The pace of city life is very tense, and professional people are under great pressure. Many people have different degrees of tension and depression. At this time, picking up an apple and smelling it will relieve the bad mood and refresh your mind. Protecting teeth: An epidemiological survey of Harvard University shows that people who don't eat apples are more likely to lose their teeth when they get old. Prevention of diabetes: Researchers at Harvard University found that women who eat an apple a day have a 28% lower risk of developing type 2 diabetes than women who don't eat apples. Enhance memory: Drinking two glasses of apple juice every day can stimulate the body to produce more acetylcholine, which is what Alzheimer's patients lack. Researchers at Lowell University in Massachusetts found that drinking apple juice can improve problem-solving and computing skills. Prevention of asthma: Japanese researchers have found that apigenin, an antioxidant rich in apples, can relieve asthma and other allergic symptoms. Besides apples, apigenin also exists in beans, cauliflower, grapes and onions. Prevention of heart disease: Eating apples can help "dissolve" the "culprit" of heart disease in blood vessels-blood clots. Studies at the University of California, Davis show that eating two apples or drinking a glass of semi-pure apple juice every day can reduce the content of "bad cholesterol" in the blood and prevent arterial embolism. A study in Europe also shows that people who often eat apples are 40% less likely to suffer from myocardial infarction than those who don't eat apples. The slogan "An apple a day" is one of the loudest slogans in people's daily life. But in addition to the well-known protection of the liver, apples can also delay memory loss and prevent asthma, diabetes, myocardial infarction and tooth loss.