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Many people like to drink tea in daily life, drinking 2-3 cups of tea every day, not only to quench their thirst and drink good, but also very comfortable. Nowadays, more and more people realize that tea is a natural and healthy drink, and they slowly begin to drink tea. So what’s the difference between tea drinkers and non-tea drinkers? What are the health advantages of people who drink tea regularly for a long time?
1.eople who drink tea for a long time may live longer.
Drinking tea often has an effect on life expectancy? That’s right! In 2022, a study published in the Annals of Internal Medicine found that people who drank two to three cups of tea per day had a lower risk of death compared to those who drank less than one cup of tea per day.
The study included tea drinking data from nearly half a million people aged 40 to 69. They were grouped according to how much tea they drank (mostly black tea) : no tea every day
Tea ≤1 cup per day
Drink 2-3 cups of tea a day
Drink 4-5 cups of tea a day
Drink 6-7 cups of tea a day
Drink 8-9 cups of tea a day
The study found that participants who drank 2-3 or more cups of tea per day had a lower risk of death compared to those who drank ≤1 cup of tea per day. However, drinking too much tea, the risk of death will not be reduced all the time, and it will plateau at 2-3 cups/day. In other words, the optimal amount of tea per day is 2-3 cups of tea.
2.People who drink tea for a long time have better liver metabolism. In June 2024, a study published in the Journal Clinical Nutrition by researchers from China Medical University found that: Through randomized controlled clinical trials, it was confirmed that: EGCG (epigallocatechin gallate), a major bioactive component of tea polyphenols in tea, helps to improve fatty liver, can inhibit lipid accumulation, inhibit inflammation, regulate lipid metabolism, prevent liver damage, and improve fatty liver.
A total of 15 patients with nonalcoholic fatty liver disease were enrolled in the study, and their liver data were examined at the beginning, 12 weeks, and 24 weeks after ingestion of EGCG via tea polyphenol tablets. They found that their liver fat content was significantly lower after 24 weeks compared to the start, and two of the patients had fatty liver remission after 24 weeks. In addition, the patients’ waist circumference and total cholesterol levels also decreased significantly after 24 weeks.
3.People who drink tea for a long time have a low risk of diabetes. In October 2023, researchers from Zhongda Hospital affiliated to Southeast University released a new study at the 2023 European Association for the Study of Diabetes (EASD) annual meeting showing that compared with people who never drink tea, people who drink black tea every day have a 47% lower risk of type 2 diabetes and a 53% lower risk of pre-diabetes.
Not only black tea, but black, green and oolong tea also help reduce the risk of diabetes. A study presented at the 2022 European Association for the Study of Diabetes (EASD) Annual meeting found that drinking at least four cups of tea a day is associated with a 10% lower risk of type 2 diabetes.
The study, which included more than 1.07 million participants, found that those who drank 1-3 cups of tea a day had a 4 percent lower risk of developing diabetes than those who rarely drank tea. Drinking four or more cups of tea a day was associated with a 17% lower risk of developing diabetes. These include black tea, green tea and oolong tea.
4.People who drink tea for a long time have a lower risk of cancer. Studies have found that drinking tea can actually lower the risk of many cancers. In 2020, a study published in Advances in Nutrition found that drinking tea really does prevent cancer, and that drinking tea was associated with a lower risk of stomach, colorectal, biliary, liver, breast, endometrial, ovarian, leukemia, lung, and thyroid cancers. In particular, the prevention of oral cancer, there is sufficient evidence!
In addition, a study published in Cancer Research and Treatment in 2019 also found that regular drinking of tea, especially green tea, is better for cancer patients’ survival. From April 2008 to March 2012, 1551 newly diagnosed patients with primary breast cancer in Guangzhou were selected for multi-year follow-up.
The study found that compared with non-tea drinkers, all breast cancer patients who drank tea had a 36 percent lower risk of cancer progression, including a 67 percent lower risk of breast cancer progression in green tea drinkers and a 68 percent lower risk of breast cancer progression in black tea drinkers.
5.People who drink tea for a long time may have healthier intestines. In addition to the above health benefits of drinking tea, studies have found that drinking tea is also effective in maintaining intestinal health. In May 2024, a study published in the journal Frontiers in Nutrition by researchers at Zhejiang University found that the benefits of black tea for intestinal health are not only in improving digestive problems, it can also promote overall health by maintaining intestinal homeostasis.
Through animal experiments, the study found that black tea can help improve intestinal health, restore the damaged intestinal structure, reduce harmful bacteria, increase the abundance of probiotics, and restore the content of acetate, butyrate and other (a short-chain fatty acid), which has an important impact on human health, including maintaining intestinal mucosa health and regulating the immune system.
6.Healthy tea, pay attention to these 5 points.Ⅰ.2-3 cups a day is best. The above research also found that 2-3 cups a day can play a certain role in reducing the risk of death, preventing cancer and reducing the risk of disease. For those who rarely drink tea, they can try different tea leaves and choose the one they like. For people who love tea, do not drink too much tea, so as not to affect sleep.
Ⅱ. Don’t drink hot tea Many people like to drink hot tea, but drinking hot tea may burn the esophageal mucosa and increase the risk of esophageal cancer and stomach cancer. Therefore, it is recommended to cool the tea slightly after brewing, not hot mouth and then drink.
Ⅲ. Do not drink too strong tea Drinking too strong tea will stimulate the secretion of stomach acid, which may have a certain impact on the stomach. In addition, drinking too much tea may also affect sleep to a certain extent.
Ⅳ. Do not drink tea on an empty stomach It is recommended that you do not drink tea on an empty stomach, especially people with a bad stomach, chronic gastritis, gastroesophageal reflux and other basic diseases.
Ⅴ. Do not drink tea overnight or tea that has been brewed for a long time is not recommended. Especially in the teapot, thermos cup, after a night or stuffy tea, it is best not to drink. This kind of tea and leaf base can easily breed bacteria.
作者：VaVa Liu