1 can refresh and relieve fatigue and prevent cognitive decline.

As we all know, caffeine in coffee has a strong central nervous system excitation effect, and caffeine intake can make drowsiness disappear, fatigue reduce and thinking quickly. So in the process of going to work, when you feel dizzy, you might as well have a cup of coffee, which can play a good role in refreshing and relieving fatigue.

The study also found that caffeine in coffee is good for both short-term memory and long-term memory. Daily intake of 300~400 mg of caffeine helps to prevent the decline of human cognitive ability.

But when you are weak, it is not recommended to drink a lot of coffee or strong tea, which will overload your body and make you prone to palpitations? Overload response? .

2 fitness combustion-supporting grease

Many fitness people especially like to drink a cup of coffee before fitness, because caffeine can improve sports performance, improve people's alertness and shorten reaction time.

For people who want to lose weight, drinking a little coffee before exercise can also improve metabolism and increase endurance during exercise in a short time.

3 Health care and disease prevention

If the benefits of coffee are limited to refreshing and burning fat, it is too small to look down on coffee. Many long-term studies have found that caffeine also has the potential to reduce the risk of many health problems, especially cardiovascular, neurological, energy metabolism and other diseases.

A large number of research results also affirmed the positive role of caffeine in preventing obesity, diabetes, Alzheimer's disease and liver injury.

Health contributes to longevity.

Drinking coffee regularly has another health benefit, which is to help you live longer. An academic paper published by a medical professor at Indiana University shows that the death rate of people who insist on drinking coffee is lower than that of ordinary people.

Chengmai County, the hometown of longevity in Hainan, China, is rich in coffee, with an average life expectancy of 77.79 years, which is 6.59 years longer than the national average. All the long-lived old people here have the habit of drinking pure coffee.

Finally, since coffee has so many benefits, we must also pay attention to four questions when drinking it:

Like most things in life, moderation is the key. Experts suggest that it is best not to exceed 3 cups (200 ml) a day;

2. It is best not to drink 5 hours before rest, so as not to affect sleep;

Don't drink too hot coffee. Regular drinking of any beverage over 65℃ will increase the risk of esophageal cancer.

4. Special people should pay attention to drinking less coffee, such as pregnant women and insomnia.