Tea is a beverage made from the leaves or buds of the tea plant that originated in China. It also refers to the leaves of the evergreen shrub tea tree that can be used to make tea, as well as the drinks made from these leaves, and later extended to all herbal teas made from plant flowers, leaves, seeds and roots, such as “Tieguanyin”. Tea as a famous health drink, it is the contribution of the people of ancient southern China to the Chinese food culture, but also the contribution of the Chinese people to the world food culture. Tea can reduce the risk of cardiovascular and cerebrovascular morbidity and mortality A recent study reported that Japanese researchers from 1994 on more than 40,000 middle-aged and elderly people aged 40 to 79 years old in a follow-up survey found that compared with people who drank less than one cup of tea a day, the average risk of death from cardiovascular and cerebrovascular disease fell by 22% for men who drank more than 5 cups of green tea a day, and by 31% for women, with cerebral infarction falling most significantly. Men fell by 42%, and women fell by 62%. According to the Daily Mail, a new study found that drinking three cups of tea a day can reduce the risk of myocardial infarction by 70 percent. Finland and France have also reported studies that show that drinking 2 to 3 cups of tea a day can reduce the risk of stroke. Tea has the effect of lowering cholesterol and blood pressure Researchers at the University of Hong Kong found that drinking tea can reduce total blood cholesterol levels by 25%. There is also a study on the relationship between tea and the onset of hypertension found that the incidence of hypertension for people who do not drink tea is 10.55%, often drink tea for 6.95%, tea does have a certain antihypertensive effect. Tea helps to reduce the risk of diabetes Some researchers have 17,000 men and women aged 40-65 years old for long-term follow-up observations found that more than 6 cups of green tea a day than a week to drink less than 1 cup of people, the risk of diabetes reduced by 33%. There is also information about the effectiveness of green tea with cold boiling water to prevent and control diabetes. Tea helps prevent and treat Alzheimer’s disease Tea has a protective effect on brain cells, tea can effectively slow down brain degeneration and help maintain the health of the brain’s blood vessels. Recent studies have shown that drinking more tea can improve memory and prevent premature dementia. Tea has anti-stress and anti-anxiety effect Modern life is fast-paced and stressful, often causing anxiety, tension, irritability, depression and other psychosomatic symptoms. Green tea contains theanine, which is a relaxant without sedative effect, can help the brain to increase the production of gamma waves, gamma waves can help control anxiety, improve concentration, improve mental state and overall function, generally 3-4 cups of green tea can contain 100-200 mg of theanine, which makes green tea has a better effect in anti-stress and anti-anxiety. Tea can improve immunity If the recent outbreak of influenza, then you drink more tea, Harvard University researchers pointed out that people who drink 5 cups of tea a day for 2 weeks, their bodies will produce a large amount of antiviral interferon, its content is not tea people 10 times, this protein can fight infection can improve the body’s immunity and effectively help the body to resist the flu. Tea can improve bactericidal power May 2008 there was a report, an Egyptian scholar with “green tea plus antimicrobial” test of 28 kinds of germs. The results found that the green tea can make the antimicrobial power greatly increased, the highest bactericidal efficiency can be increased by more than 3 times, and, there is a variety of germs to reduce the role of drug resistance. Tea has a weight loss effect on obese people Researchers found that those who drink tea for more than 10 years compared with those who do not drink tea, the proportion of body fat in men is reduced by about 20%, women can be reduced by 30%. In the tea in the weight loss is not a beautiful thing! Not only that, tea is also a good protective effect on the skin beauty agent, drink more tea people beautiful. Other health effects of tea tea can also eliminate fatigue, refreshing, bright eyes, eliminating food, diuretic detoxification, prevent tooth decay, eliminate bad breath, tea is also an alkaline beverage, conducive to the correction of acidic body …… tea is worthy of the 21st century the healthiest beverage. The above introduced tea has a very good health care effect, then, the specific tea contains which has a health care effect on the human body of the beneficial components, we will elaborate. 1, tea polyphenols is the largest content of tea in a class of soluble components, but also tea to play its health care effects of the most important substances, the most typical representative of the catechins (phenols), with antioxidant (eliminate oxygen free radicals), anti-inflammatory, reduce the incidence of cardiovascular disease, cancer prevention, lowering blood lipids, reduce the formation of body fat, antibacterial, change the ecology of intestinal flora and many other effects. Studies have shown that after drinking a cup of tea for half an hour, the antioxidant capacity of the blood (the ability to fight oxygen free radicals) increased by 41% to 48%, and can last for an hour and a half in a high level state. 2, tea pigment mainly includes chlorophyll, β-carotene, etc., with anti-swelling cancer, delay aging and beauty effects. 3.Theanine can improve brain function, enhance memory and learning ability. It has a preventive effect on Alheimer’s disease (dementia), Parkinson’s disease and autonomic dysfunction. 4, tea polysaccharide is a complex mixture of components. Tea polysaccharides have anti-radiation, increase the number of white blood cells, improve immunity, but also lower blood sugar. The folklore of the practice of drinking crude tea to cure diabetes, mainly is to play the role of tea polysaccharides. 5, Υ-aminobutyric acid in the natural tea Υ-aminobutyric acid content is not much, but the tea after processing its content increased significantly. Υ-aminobutyric acid’s main effect is to dilate blood vessels to lower blood pressure, so it can assist in the treatment of hypertension. It also improves blood circulation in the brain and enhances the metabolic capacity of brain cells, which helps in the rehabilitation of stroke (stroke) and the sequelae of cerebral atherosclerosis.