There are five advantages to drinking plain coffee

Picking, baking, grinding. The cup of pure coffee presented in front of us has gone through many processes. Some people mention that "caffeine" is like an archenemy, thinking that it will lead to insomnia, addiction, obesity, and so on.

In fact, the harm of coffee to health is not as serious as you think, as long as you know coffee, you can actually drink more health benefits. First of all, the coffee mentioned below refers to pure coffee, which refers to coffee without milk, syrup or any other substance, which is different from the instant coffee in the store. Pure coffee is low in calories and contains a variety of nutrients.

First, why is coffee so controversial?

Many people believe that coffee contains a lot of caffeine, drinking too much can lead to tachycardia, sleep disorders, elevated blood pressure and other symptoms, and may also lead to addiction or obesity. In fact, 39 diet editors collected relevant data and found that caffeine can be harmful to the human body only if it is "excessive". Coffee contains more than 200 substances, in addition to caffeine, there are protein, tannic acid, cellulose, alkaloids and other nutrients. Therefore, it would be wrong to equate coffee with caffeine.

According to a British study found that for the central nervous system, caffeine is a stimulant, often drink coffee, the body may produce mild dependence. But these symptoms will disappear after a few days. Professor Hu Dayi, a famous cardiovascular expert in China, once worked with Mario, former president of the World Heart Federation. Malao and other experts have co-authored a book, "101 reasons for Coffee's innocence," which dispelled the problem for coffee.

It is often said that drinking coffee leads to obesity is actually caused by instant coffee. Strictly speaking, instant coffee is not coffee, it has low coffee content and a lot of additives. The common ingredients on the composition list of instant coffee are plant fat, fat and carbohydrates.

Second, drinking pure coffee has many health benefits

1. Enhance memory

Dr. Jack Lin, a senior dietitian in the United States, said that moderate consumption of caffeine is good for both short-term and long-term memory, preventing not only cognitive decline, but also Alzheimer's disease.

two。 Protect cardiovascular system

A South Korean study of 25000 subjects found that people who drank three cups of coffee a day had a lower risk of cardiovascular disease. People who drank one cup of coffee a day had a lower risk of death from stroke than those who did not drink coffee.

3. Reduce the risk of fatty liver

In his study of coffee, Dr. Frank, a professor of nutrition and epidemiology at the Harvard School of Public Health, also found that drinking coffee can reduce the risk of fatty liver and reduce the risk of suicide by 50%.

4. Reduce the risk of cancer

A study published in the American Journal of Clinical Gastroenterology and Hepatology found that drinking coffee every day reduced the risk of primary liver cancer by 40%. Other studies have said that drinking coffee regularly can reduce the risk of ovarian cancer in women.

5. Prolong life

An academic paper published by a professor of pediatrics at Indiana Medical University in the United States shows that people who insist on drinking coffee have a lower mortality rate than ordinary people. Chengmai County, the hometown of longevity in Hainan, is rich in coffee, with an average life expectancy of 77.79 years. All the longevity people here have the habit of drinking pure coffee.

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