Because black tea has the function of warming the middle and dispelling cold. You can also use brown sugar and red dates in winter, and it is not bad for ginger to soak in water without making tea. Green tea is raw tea, and it will feel cold if you drink it in your stomach. Of course, you are used to "running the toilet". Longjing in Hangzhou is very famous, but Longjing is green tea. People in Hangzhou are used to drinking Longjing tea, but we can't drink green tea in the cold weather in the north.
At present, there is a lot of research on green tea all over the world, because it is zero-fermented and preserves more nutrients of tea, such as tea polyphenols and catechins. Studies have shown that drinking 12g green tea every day can reduce the risk of cancer. Black tea is warm and belongs to hot tea. Drinking in winter can warm the spleen and stomach and prevent dampness and cold. Black tea is also rich in trace elements such as potassium, calcium and phosphorus, so drinking black tea often in winter is also conducive to strong bones and good health. However, although black tea is good, not everyone can drink it. People with fever and poor liver function should not drink black tea. Pregnant women and women who are still breastfeeding cannot drink, especially strong tea; People who drink alcohol and anemia can't drink black tea either.
Tea culture in China began in the Tang Dynasty and has penetrated into thousands of households. It's been around for thousands of years. It can be said that the origin of any country in the world is not as early as that of China. If you go out to visit relatives and friends, the first choice for relatives and friends to entertain you is a cup of homemade scented tea, which is to add some raisins, several Chinese wolfberry and several lilies to light green tea. Drinking this tea in late autumn and winter solstice can nourish yin and moisten dryness, improve eyesight and resist fatigue, and is also beneficial to digestion after lunch.
The yang of the human body gathers, and qi and blood tend to flow inward, so water and dampness are not easily discharged from the body surface, and most of them need to be vaporized through the kidney and bladder, and a few of them become body fluids and swim in the body. Because most of the water is wet into water, the bladder becomes urine, which invisibly increases the burden on the kidneys. People who are easy to get angry and get fat, that is, people who are hot and dry, drink herbal tea; People with stomach deficiency and cold, people with abdominal distension after eating bitter gourd and watermelon at ordinary times, or people with weak constitution, that is, people with deficiency and cold constitution, should drink neutral tea or warm tea, and the elderly are suitable for drinking black tea and Pu 'er tea.