Coffee is one of the most popular beverages in modern times and contains ingredients that are beneficial to health. In particular, antioxidants polyphenolsRich in this content, it is effective in suppressing the inflammation that occurs in the lining of blood vessels and preventing heart disease and Alzheimer’s disease.
In addition, caffeine activates dopamine and suppresses adenosine, which makes you feel fatigued, so it has the effect of chasing drowsiness and increasing concentration. However, it is said that drinking coffee that is good for the body ‘like this’ can bring about fatal side effects rather than efficacy. the experts “If modern people’s bad habit of drinking coffee is repeated, the risk of cancer may increase”He urged attention.
The moment when healthy coffee becomes poison
The International Agency for Research on Cancer (IARC), a subsidiary of the World Health Organization, classified hot beverages as a possible risk factor for cancer in Group 2A in its Carcinogenicity Assessment Report. This includes coffee, and drinking hot coffee at 67°C to 70°C frequently increases the risk of esophageal cancer.
This is because drinking hot beverages causes microscopic burns in the mouth and throat, which can lead to esophageal cancer if repeated. According to a study at Tehran Medical University in Iran, a study of 50,000 people aged 40 to 75 years of follow-up for 10 years found that those who drank more than 700 ml of hot tea at 60°C or more per day had a 90% higher risk of developing esophageal cancer compared to those who did not. said to be high.
Therefore, when drinking hot coffee, rather than eating it right away, open the lid and cool it sufficiently before eating or blowing it with your mouth to help prevent esophageal cancer.
Drinking more than 4 cups of coffee a day, even if it is good for the body, increases the risk of stomach cancer intestinal epithelial metaplasiamay increase your risk of contracting the disease 14 times. Intestinal epithelial metaplasia is the pre-stage of gastric cancer, in which the gastric mucosa has changed like the intestinal mucosa due to repeated inflammation and recovery.
According to the Korea Food Communication Forum, as a result of analyzing the relationship between coffee consumption and the onset of intestinal metaplasia in 881 adults, those who drank four or more cups of coffee a day had a diagnosis rate of 20.2%, which was 14 times higher than that of those who did not drink at all. I say.
the research team It is a widely known fact that caffeine contained in coffee stimulates gastric acid secretion and thus affects gastric diseases such as gastric ulcer and reflux esophagitis.said, Regardless of the type of coffee, the risk of intestinal epithelial metaplasia increased as the daily coffee intake increased.said.
After smoking, sometimes you crave something sweet because of the bitter taste of cigarettes and the nicotine. This is because the sweet taste of coffee eliminates the bitter taste of cigarettes, and when nicotine from cigarettes is absorbed, dopamine, which makes you feel good, is released in the brain.
The problem is that smokers are at a higher risk of developing diabetes because they have a higher sense of sweetness than non-smokers and are at higher risk of consuming too much sugar. In addition, caffeine and nicotine are highly addictive and can cause heart disease by increasing blood pressure and heart rate.
4) habit of drinking late in the evening
For those who are sensitive to caffeine, drinking it late in the evening can strain the muscles and cause insomnia. If insomnia persists for a long time, the quality of sleep deteriorates. Reduced immunity and increased fatigue. Caffeine has a half-life of 3 to 7 hours, so people sensitive to caffeine should drink decaf or drink decaf. Drink it 7 hours before bedtime.
Even coffee that is good for the body can cause side effects depending on the consumption habits, so it should be consumed in the right way. Please check if any of the 4 intake methods you learned today apply to you.
