Many people may not know that black coffee is actually one of the healthiest drinks in the world. Black coffee has many advantages:

First, keep a clear head and relieve fatigue.

Before you feel tired, have a cup of black coffee to refresh yourself. Caffeine in black coffee can temporarily occupy the position of adenosine. If the brain can't perceive the substance that makes it tired, it will be temporarily "deceived", thus keeping the nerves excited for a certain period of time.

Therefore, it is a good choice to have a cup of coffee when you want to refresh yourself, keep your concentration and improve your work efficiency.

Second, lose weight and lose weight

After drinking black coffee, caffeine can greatly improve the efficiency of burning fat and accelerate the calorie consumption during exercise by participating in the oxidative decomposition and metabolism of fat. 1995 A research report pointed out that drinking caffeine in black coffee can promote metabolism by 3- 1 1% and increase fat burning by 10-29%. It is suggested that fitness friends can drink a cup of black coffee 40-60 minutes before exercise.

Third, the elderly often drink it to protect the cardiovascular system.

Drinking 3-4 cups of black coffee every day can reduce the risk of cardiovascular disease. Drinking coffee for a long time is beneficial to cardiovascular health care. In healthy people, drinking 3~4 cups of coffee every day can reduce the risk of cardiovascular disease 15%.