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Zhang Lei is a high school Chinese teacher who is nearly 50 years old, in his more than 20 years of teaching career, the students are most talked about, I am afraid that his "unique skills" of drinking tea, I saw him holding the lesson plan in one hand, holding the teacup in the other, standing on the podium and talking, completely ignoring the fact that the tea in the cup has overflowed, and the hot water bottle in the office between classes is his "exclusive", one pot after another, never stopped, so Zhang Lei repeated the cycle of drinking tea in class and preparing for class day after day. He drank at least five or six cups of strong tea a day, and it wasn't until he was diagnosed with rectal cancer during a recent physical examination that he suddenly realized that his hobby for many years might be the culprit of this disaster.
"Doctor, my usual routine is quite regular, how could I suddenly get cancer? Facing the attending doctor, Dr. Wang, Zhang Lei's face was full of confusion and panic.
Dr. Wang patiently explained: "At present, the medical community has not yet reached a conclusive conclusion on the cause of rectal cancer, but a number of studies have shown that long-term consumption of strong tea, especially tea with higher temperature, may increase the risk of colorectal cancer, mainly because tea contains caffeine, tea polyphenols and other bioactive substances, when the amount of drinking is too large, the concentration is too high, it may cause chronic damage to the intestinal mucosa, and frequent drinking of hot tea, the thermal effect will directly 'burn' the fragile digestive tract mucosa, over time, Inflammation recurs, and the risk of cancer naturally increases greatly. ＂
"Could it be that my hobby for many years has become an 'invisible killer' of health? Zhang Lei muttered to himself, his face full of remorse, "Then can I still drink tea in the future?" ＂
"The World Health Organization proposes that adults should drink no more than 300 to 500 ml of tea a day, and the temperature should not exceed 65 degrees, and it is best to choose fresh tea, the concentration is not too high, in addition, I also recommend that you try to avoid alcohol, eat less spicy and irritating foods and red meat, which may increase the burden on the intestines and stimulate the occurrence and development of cancer, on the contrary, eat more fresh vegetables and fruits to ensure balanced nutrition. It's a great way to recover. ＂
Zhang Lei nodded thoughtfully, secretly vowed to get rid of bad habits, and greet the upcoming treatment with a positive and cooperative attitude, he silently prayed in his heart: I hope that he can overcome the disease as soon as possible, return to the podium, and use his personal experience to spread the concept of healthy life to students.
According to the latest data from the National Cancer Center, in 2020, there were 555,000 new cases of colorectal cancer in the mainland, 284,000 deaths, and the incidence and mortality rates were 38.6/100,000 and 19.7/100,000 respectively, and they are increasing year by year. Becoming the new health "killer"?
"You can see that an unhealthy lifestyle is the culprit. "Modern people's diet is westernized, with excessive intake of high fat and high protein, lack of exercise, disordered work and rest, staying up late, smoking and alcoholism, etc., which may induce cancer, especially excessive consumption of strong tea, especially hot tea, which is a major risk factor for the incidence of colorectal cancer." ＂
As early as 2019, the European Journal of Cancer published a large cohort study of 460,000 Europeans, which showed that compared with those who did not drink tea or drank tea at a temperature lower than 60 °C, those who often drank hot tea above 65 °C had a 2.5 times higher risk of esophageal cancer, and some researchers found that those who drank more than 900 ml of tea per day and the temperature above 65 degrees Celsius were 2.5 times higher than those who followed up 15,000 volunteers for 14 years. The risk of esophageal cancer is as much as 5 times higher than that of people who drink less tea or have lower temperatures, and this series of shocking figures is undoubtedly a wake-up call for tea lovers.
In fact, in addition to drinking less strong tea and hot tea, if you want to stay away from cancer, doctors also have many "golden tips": drink less alcohol, eat less spicy and irritating foods and red meat, "Alcohol and capsaicin are recognized carcinogens, which can directly irritate and damage the digestive tract," Dr. Wang explained, "and red meat, especially meat products that have been grilled and fried at high temperatures, have also been proven to be closely related to the occurrence of colorectal cancer and other cancers," the World Cancer Research Fund has clearly advised, The intake of red meat and processed meat products should be reduced as much as possible, preferably no more than 500 grams per week.
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[Disclaimer: The content of the article is a fictional story, please read it rationally, and do not sit in the right seat]