As one of the three major beverages in the world, coffee has gradually penetrated into our lives and has even become one of the symbols of modern life.

I love coffee. On the one hand, it refreshes my mind. On the other hand, it has become accustomed to the taste and has become a part of my lifestyle.

Japan and South Korea drink 200 cups of coffee per person per year, the United States 400 cups, and Europe 750 cups.

Although China's per capita coffee consumption is much lower, the number of coffee drinkers is growing rapidly, and there are also many coffee lovers.

Why is coffee so magical?

Then we have to mention caffeine, a bioactive substance in coffee.

Love-Hate Caffeine For Plants Caffeine is a natural pesticide and has toxic effects on many insects and herbivores.

What effects does caffeine have on the human body?

Is it a pick-me-up or an invisible "drug"?

Some people will feel like they are missing something if they don't drink coffee for a day, and some people will feel palpitations and nausea after drinking coffee.

Different people have different tolerances and sensitivities to coffee, which makes them vary so much.

The refreshing effect of coffee?

People's earliest understanding of coffee began with its ability to relieve fatigue and refresh the mind.

Caffeine stimulates the central nervous system.

There are many types of research at the cellular level, and this secret is still being gradually revealed.

One of the widely accepted principles is this: In the human body, there is a chemical called adenosine, which is a neuromodulator.

When adenosine binds to adenosine receptors, it inhibits nerve conduction, making you feel tired and you know you need to rest.

When you drink coffee, caffeine competes with adenosine to bind to adenosine receptors, making you feel less tired, more alert, and more focused.

This is why many people feel less sleepy after drinking coffee.

reason.

The reason why coffee has been so popular over the years is that caffeine has many positive effects: 1. Refreshing: It can excite the cerebral cortex, reduce fatigue, make people concentrate, improve work efficiency, and increase enthusiasm.

2. Improve memory: enhance recognition ability in a short period of time, shorten reaction time, and improve instant oral memory.

3. Improve sports performance: Caffeine can enhance people's athletic ability, improve agility, and enable athletes to achieve better results.

4. Promote digestion: stimulate sympathetic nerves, promote gastric acid secretion, and aid digestion.

Stimulates gastrointestinal hormones and produces a laxative effect.

Hate coffee making your heart beat faster?

There are also many friends around me who don’t drink coffee and ask why.

They said they thought after drinking coffee.

A little uncomfortable.

Heartbeat.

.

What's more, after drinking coffee, I feel very uncomfortable, with palpitations, nausea, and dizziness.

Under the influence of caffeine, the brain will enter a state of excitement, promote the secretion of adrenaline, and give people a feeling of getting chicken blood.

But this rapid heartbeat and arrhythmia are not the same concept.

Heart experts around the world are still exploring the relationship between caffeine and cardiac arrhythmias.

There are currently no clear studies showing that caffeine causes cardiac arrhythmias.

The American Heart Association, the European Heart Association and other organizations believe that moderate drinking of coffee by adults, about 1-2 cups of coffee per day, will not increase the risk of heart disease and cardiovascular disease.

However, patients with cardiovascular disease who carry the PDSS2 gene metabolize caffeine more slowly than normal people and have lower tolerance, so they should actively limit caffeine intake.

Judging from the current summary analysis, moderate amounts of caffeine will not promote the occurrence of cardiovascular diseases. However, with the progress of scientific research, there are still many questions waiting for scientists to study and answer.

However, if this heart is pounding.

If you feel sick, your body has a low tolerance for caffeine, so try to avoid drinking it.

Does caffeine have this effect?

Prevention of neurological diseases?

Scientific research shows that a certain amount of coffee can prevent neurological diseases such as Parkinson's disease, cerebral ischemia and Alzheimer's disease.

People who drank 1-3 cups of coffee per day had the lowest incidence of Parkinson's disease compared to other people.

According to survey data from the Canadian Institute on Aging and Health, regular coffee drinkers are less likely to develop Alzheimer's disease than non-coffee drinkers.

In the scientific community, caffeine has been linked to its potential protective effects against central nervous system diseases (Alzheimer's disease, Parkinson's disease, etc.).

) has been clarified.

Antidepressant?

The occurrence of depression is related to many factors, including inflammatory response, oxidative stress, neurotransmitters, etc.

On the other hand, caffeine has a certain effect on inhibiting the occurrence of depression.

Studies have shown that long-term caffeine intake (8mg/kg/d) has a positive effect on improving depressive symptoms.

Caffeine combined with other antidepressants can improve depression.

However, current research is still in the experimental stage and lacks sufficient clinical evidence.