Caffeine can stimulate the central nervous system and muscles, so it can boost the spirit, improve thinking and memory, and restore muscle fatigue.

Acting on the cardiovascular system can improve heart function, relax blood vessels and promote blood circulation.

For the gastrointestinal system, it can help digestion and help the decomposition of fat.

Recently, a new study in the United States shows that drinking coffee can enhance sexual desire, because coffee can improve blood circulation, speed up the heartbeat and stimulate the activity of the nervous system. Therefore, people who drink coffee regularly are more active in sexual life than those who don't drink coffee regularly, which not only reduces the probability of impotence.

2. The disadvantages of drinking coffee

People who drink more than five cups of coffee a day are twice as likely to have heart disease as normal people. Because caffeine can

Increase cholesterol and triglycerides in the blood, leading to arrhythmia, which will lead to heart disease in the long run.

Caffeine can lead to calcium loss and lead to osteoporosis. Women who drink more than three cups of coffee a day

Woman, pay more attention! Not only that, caffeine can also stimulate intestinal contraction and cause diarrhea, so it is often

People who drink coffee on an empty stomach can easily lead to hyperacidity or gastric ulcer.

Drinking too much coffee may induce pancreatic cancer, breast cancer and ovarian cancer. If the number of girls before menstruation is large,

Drinking coffee may lead to emotional instability, nervousness, irritability and inattention due to the stimulation of caffeine.

Headache or breast pain.

The doctor said that if it is summer, the best time to drink coffee is from 4 pm to 6 pm, spring and winter.

Tell everyone some precautions for drinking coffee from 3 pm to 5 pm!

1. Don't drink coffee before going to bed to avoid insomnia.

Don't drink more than five cups of coffee every day.

Don't smoke and drink immediately after drinking, otherwise it will speed up blood circulation and increase the burden on blood vessels.

Don't drink coffee on an empty stomach, or you will hurt your stomach. People with duodenal ulcer should avoid drinking coffee on an empty stomach.

Pregnant women had better not drink coffee, because caffeine will be absorbed by the baby through the placenta, which is harmful to the baby's brain and heart!

6. Don't drink too strong coffee, otherwise it will make people impatient and have poor understanding.

7. It is best to add cream to drink coffee to relieve the irritation to the stomach. But we should control the intake of sugar to avoid obesity.

Although mellow coffee is attractive, it has many disadvantages to our health!

But if you really can't resist the magic of coffee, the most important thing is not to overdo it!