Is coffee a healthy drink?

Coffee is a healthy drink. Coffee contains not only caffeine, but also hundreds of nutrients such as protein, fat, nicotinic acid, tannic acid, potassium, polyphenol oxide and dietary fiber. Coffee can keep people excited; Can reduce the incidence of heart disease; Stimulate cell regeneration and reduce the incidence of cancer; Can improve motor skills, diuretic, and reduce the occurrence of gout.

1. Caffeine can stimulate the central nervous system of human brain, enter the brain through blood, control the production of adenosine (the hormone of sleep), keep people excited, concentrate and improve work efficiency.

2. Caffeine can improve left ventricular systolic function and coronary blood flow, and reduce cardiovascular diseases.

3. Caffeine can induce diuresis, expel excess sodium ions from human kidney, and reduce the occurrence of gout.

4. Polyphenol oxides can stimulate cell regeneration, protect the liver and reduce the incidence of cancer.

5. Caffeine can stimulate the free contraction of muscles, enhance muscle strength, lower the motion valve, enhance the sensitivity of the body and improve the motor function.