Coffee with mixed reviews

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Coffee and tea cocoa are called the three biggest drinks in the world. The strong aroma of coffee has attracted many enthusiasts, especially among young people. Some people even have one or more cups a day. In short, they are not happy without coffee; others do not drink coffee and do not touch it, which varies from person to person.

Does coffee prevent cancer or cause cancer?

A cancer patient once asked the author: Mr. Sun, does coffee have an anti-cancer effect? What is the effect of drinking more on your health? In particular, we can see that cancer shows a younger trend in clinic, many people have the habit of drinking coffee, and the rate of drinking coffee in urban population is not low, so the effect of coffee on cancer is discussed here.

At present, the anti-cancer effect of coffee has been supported by many studies. Athens scholars have revealed that the mystery of the longevity of the residents of the Greek island of Ikaria is related to their love of coffee, and the incidence of cancer and heart disease is 20% lower and 50% lower than the average in other western countries. The researchers believe that taking 25 to 50 milliliters of black coffee a day is ideal, but drinking more is not good for health.

Harvard Medical School also believes that coffee has the effect of preventing skin cancer. Studies have found that drinking coffee is an important measure to prevent basal cell cancer, and coffee consumption is inversely proportional to the risk of skin cancer. Men and women who drank more than three cups of coffee a day had a 9% and 20% lower risk of basal cell cancer, respectively, compared with those who drank less than one cup of coffee a month. However, drinking coffee does not reduce the risk of the other two types of skin cancer (squamous cell carcinoma and melanoma).

The anti-cancer effect of coffee on women can not be ignored. A study by the Roswell Park Cancer Institute in the United States found that women who drink tea or coffee regularly can reduce the risk of endometrial cancer. The institute followed 1100 women and found that women who regularly drank tea or coffee were less likely to have endometrial cancer than those who did not, and the more they drank, the lower their risk of developing the cancer. People who drank more than 4 cups of tea or coffee a day (one cup is about 250 milliliters) had a 50% lower risk of endometrial cancer than non-drinkers; those who drank 2 cups of tea or coffee a day had a 44% and 29% lower risk of developing this cancer than non-drinkers. Although coffee has anti-cancer effects, some scientists say that drinking a lot of coffee can cause other health problems, so there should not be a significant increase in coffee intake based on such research results.

Some scholars have put forward opposite views on the anti-cancer effect of coffee. The National Cancer Center of Japan released the results of its study of 100000 Japanese who drank one cup of coffee a day, especially non-smoking men, who had an increased risk of bladder cancer. The researchers divided the subjects into three groups according to their caffeine intake, and the analysis showed that people with high caffeine intake had a twice higher incidence of bladder cancer than those with low caffeine intake.

For the anti-cancer effect of coffee, there is not a consistent conclusion, coffee in addition to the possible anti-cancer effect, other health effects can not be ignored.

Studies conducted by American biologists have shown that drinking two to three cups of coffee a day has a positive effect on protecting the heart. If there is a problem of being overweight, coffee can increase metabolism, reduce appetite and play a role in losing weight.

Another advantage of coffee is that it can enhance physical strength, enhance attention and reaction ability, and make the exercise effect better.

Moderate drinking is the key to benefit.

Coffee has both advantages and disadvantages to the human body, moderate consumption of coffee is the key to benefit from it, so it is very important to grasp the degree. Let's take a look at what we should pay attention to when drinking coffee.

1. Long-term or large amounts of coffee drinking in patients with high blood pressure and coronary heart disease will increase the content of cholesterol in the body and cause cardiovascular disease. Although caffeine can be refreshing, excessive intake can also lead to high blood pressure.

2. People with stomach problems drink little or no coffee as much as possible. Coffee will stimulate the gastric mucosa and lead to the deterioration of stomach disease.

3, pregnant women do not drink too much coffee, coffee will affect the absorption of iron, the incidence of iron deficiency anemia during pregnancy is higher, often drinking coffee will aggravate the problem of anemia.

4. Do not drink coffee within 6 hours before going to bed, and tea drinking should be the same. Drinking too much coffee will lead to tachycardia and excitement, insomnia, nervous disorders and other symptoms.

5. It is appropriate to drink no more than 2 cups of coffee a day. If you drink 4-5 cups of coffee continuously, it will cause nausea and stomach discomfort.

6. it is suitable to drink after meals. Drinking coffee on an empty stomach will promote gastric juice secretion, which is not suitable for patients with stomach diseases. Drinking after meals contributes to the digestion of food.

There are still some different views on the study of coffee. It is suggested that if there are people who like to drink coffee, it is appropriate to drink it in moderation. In short, it is not a good thing to drink too much.