1. Caffeine poisoning

If you take too much caffeine at one time, you are likely to have symptoms such as "caffeine poisoning". It can be said that large doses of caffeine are drugs. Once caffeine poisoning occurs first, patients will have various discomfort symptoms, such as nervousness, irritability, anxiety and tremor.

2. Overexcited

Everyone knows that coffee has a refreshing effect. This is because coffee contains a lot of caffeine, which can stimulate the central nervous system, thus achieving the effect of refreshing.

fatal

Excessive drinking of coffee may also lead to death, which is definitely not alarmist, but the latest research results. In mouse experiments, it was found that the lethal dose of caffeine was 192 mg/kg body weight, which means that if you ingest too much caffeine, you will probably die.

Extended data:

Effects of caffeine on human body;

1. Most healthy adults can consume as much as 400 mg of caffeine every day, which is equivalent to five 4-ounce cans of red bull.

2. When ingesting, the stomach absorbs caffeine first, and enters the blood circulation after 1~2 hours; It takes 5~6 hours to consume 1/2 caffeine intake;

3. Caffeine can improve memory to some extent, but it is more effective for people who are not addicted;

4. Moderate caffeine can make the energy more concentrated, but excessive caffeine can cause irritability and backfire;

5, caffeine inhibits adenosine in the brain, making people refreshed; By inhibiting adenosine, it can promote the secretion of dopamine and glutamine, improve alertness and reduce the risk of depression.

References:

Advantages and disadvantages of caffeine-China News Network