Is it good or bad to drink coffee?

Coffee is a petty bourgeois drink. It has a calming effect. It is a pastime of life. A cup of strong coffee can bring us spiritual pleasure! However, drinking coffee has no harm to the human body. This has always been a controversial topic. The following Xiao Bian and everyone from the benefits and disadvantages of two aspects of the evaluation of the impact of coffee.

First, the benefits of coffee 1. Can prevent cancer. The results of the study showed that coffee can only prevent a portion of cancer and does not have a preventive effect on all cancers. People who drink coffee every day are less likely to develop liver, colorectal, and head and neck cancers than people who do not drink coffee at all. According to a survey, the risk of liver cancer in people who drink 1-2 cups of coffee per day is one half of the risk of developing liver cancer in people who do not drink coffee at all. The risk of developing liver cancer in people who drink more than 5 cups of coffee per day is completely without coffee. One-fourth of the risk of developing liver cancer. For people who drank more than 3 cups of coffee a day, the risk of head and neck cancer was about 40% lower than those who drank less than one cup.

2. Coffee contains hundreds of compounds. Among them, caffeine has a refreshing function and polyphenols chlorogenic acid has an antioxidant effect. At the same time, the role of caffeine in protecting normal cells against chlorogenic acid to prevent canceration is also considered to be the reason why coffee has anti-cancer efficacy.

3. Chlorogenic acid inhibits the rise of blood glucose. Research shows that people who drink more than 7 cups of coffee a day have a diabetes risk that is half that of people who drink less than 2 cups. The study lasted for 7 years and carried out a follow-up survey of about 17,000 people in the Netherlands. The effect of chlorogenic acid in suppressing blood glucose rise was also due to the study. However, during the study, people tended to drink lighter coffee, which was equal to the coffee we often drink. 7 cups of light coffee equal to 4 cups of common coffee.

Second, and the harm of coffee 1. With the risk of arteriosclerosis, cerebral thrombosis, cerebral infarction and other circulatory diseases. The current research results tend to be diverse. For example, the incidence of stroke in people who drink coffee is lower than those who do not drink, but there are also studies that do not link the two. Since some diseases are closely related to smoking and other living habits, comprehensive consideration must be given. It is very difficult to trace the effect of coffee alone on disease prevention.

2. Too much coffee can easily ingest too much caffeine and cause nervousness.

3. At the same time, according to the difference in the individual's physical condition, 0.5-1 grams of caffeine per day will increase the burden on the heart and blood vessels. There are also studies that believe that drinking large amounts of coffee by pregnant women can increase the risk of miscarriage. Depending on the type of coffee, a cup of coffee contains about 0.1 grams of caffeine, which means that you can't drink more than 5-10 cups a day.

4. The other ingredients contained in coffee have the effect of promoting gastric acid secretion, and those who are taking medication for hyperacidity should avoid coffee.