Can't you sleep after drinking coffee? Several kinds of caffeine that you don't know.

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Caffeine alone refers to a mild stimulant that contains less caffeine in our daily drinks such as tea, cocoa and chocolate. Caffeine is also found in carbohydrate drinks such as cola and some anesthetics. It can accelerate the metabolism of the human body and keep people clear-headed and sensitive. The refreshing effect of coffee is particularly popular. Caffeine can stay inside the body for several hours, and the effect on the body is appropriate for each person. Some people will lose sleep after drinking coffee at night, while others will be nervous and overexcited if they drink too much coffee, but many people will not be affected at all.

Caffeine benefits:

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

two。 At the same time, acting on the cardiovascular system can improve heart function, dilate blood vessels, promote blood circulation, and is also a metabolic stimulant.

3. For the gastrointestinal system, it can help digestion and help decompose fat.

Caffeine is overly harmful:

1. Aggravate high blood pressure: caffeine is often combined with other simple painkillers because of its analgesic effect, but if you take it in large quantities for a long time, if you already have high blood pressure, using a lot of caffeine will only make your situation worse.

2 aggravate high blood pressure: caffeine is often combined with other simple painkillers because of its analgesic effect, but if you take it in large quantities for a long time, if you already have high blood pressure, using a lot of caffeine will only make your situation worse.

Caffeine overexcitement: a sharp overdose of caffeine, usually more than 250 milligrams (equivalent to 2-3 cups of brewed coffee), can lead to central nervous system overexcitement. Symptoms of caffeine overexcitement include irritability, nervousness, excitement, insomnia, blushing, increased urine, gastrointestinal disorders, muscle convulsions, distraction, irregular or rapid heartbeat, and restlessness. Long-term excessive caffeine intake can cause a series of mental disorders.

Health value: refreshing: it can stimulate the central nervous system of the brain, prolong the awake time of the brain, make the mind clear, sharp, and more focused, which can improve the efficiency of work and study.

Anti-melancholy: a small amount of caffeine can cheer people up, feel happy, and relieve depression.

Weight control: caffeine can increase the rate at which the body consumes calories. A study found that 100mg caffeine (about 1 cup of coffee) can accelerate fat decomposition, increase the body's metabolic rate by 3% to 4%, increase heat consumption and drink in moderation. Weight loss.

Promote digestion: caffeine stimulates the sympathetic nerve and increases gastric juice secretion. If you drink it in the right amount after a meal, it will help digestion.

Diuresis: coffee has a diuretic effect, which can increase the amount of urination, thus increasing the number of times to go to the toilet.

Improve constipation: coffee can stimulate gastrointestinal hormones or peristaltic hormones, produce laxative effect, can be used as a rapid laxative.

Reduce the risk of colorectal or rectal cancer: coffee contains natural antioxidants.

Pain relief: when caffeine is used as a drug, it can enhance the effect of some painkillers.

Enhance physical agility: caffeine also helps to lower the exercise threshold during exercise, increase body agility, and enable athletes to create better results.