What Are the Benefits of Tea for the People Who Stay up
With the increasing pressure of work, to stay up late has become commonplace. However, people will be lethargic in the evening; so many white-collar workers like to drink several cups of coffee to refresh them when they stay up late. As everyone knows, when you drink a cup of coffee, after half an hour, you will feel refreshed. But over time, your health may run into problems.
In fact, if you really want to stay up all night, it is best to choose tea to refresh yourself. Tea can refresh the brain and quench thirst, and has other effects. Modern medical research confirmed that the polyphenols in tea is an important pharmacological component, accounting for 22% to 30% of the dry weight of tea, and it can significantly inhibit cell mutations, but cell mutation is the transition process of cancer, so tea polyphenolshas has a good effect on cancer cells proliferation. In addition, tea can block the synthesis of nitroso compounds, especially blocking rate of green tea is the highest, accounting for more than 90%, followed by compressed tea, brick tea, jasmine tea, oolong tea and black tea. More polyphenols tea contains, the stronger the blocking capability is. Tea is also rich in vitamin C and vitamin E, also has the assisted efficacy of anti-cancer.
In addition, different cancer has different carcinogenic factors; and the preventive effect of tea on cancer is not the same. Some research found that drinking tea is closely related to the incidence of gastric cancer, such as people drinking green tea every day have a 29% reduction in the incidence of gastric cancer than people who do not drink green tea, but drinking black tea has no effect on the incidence of gastric cancer. There was high incidence of gastric cancer in Japan, but the incidence of gastric cancer of the tea-producing areas was significantly lower than the average incidence of the national cancer, therefore, drinking green tea help reduce the incidence of gastric cancer.
Moreover, the research found that tea is closely linked with the incidence of esophageal cancer. Green tea can reduce the incidence of esophageal cancer; especially it is more obvious in the case of not smoking and not drinking. Green tea can reduce the incidence of colorectal cancer, colorectal cancer and pancreatic cancer, and the greater the amount of tea, the lower the incidence is. Some studies have also found that the amount of tea and gastrointestinal cancer is inversely proportional to, the greater the amount of tea, the lower the incidence of cancer.
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