Drink coffee in moderation, be careful of caffeine poisoning

Coffee is an imported product and a special beverage. As a mental stimulus, coffee has become our first choice for feeling inefficient and depressed. Coffee may be the most widely used psychoactive substance in the world, and it is legal and ubiquitous.

At first, we may find coffee very bitter, but soon, it will bring excitement and happiness, making us unable to leave it anymore. In the United States, we can diagnose and count mental disorders (DSM-5), and caffeine addiction is classified as a mental disorder.

It refers to symptoms such as anxiety, nervousness, insomnia, excitement, as well as adverse reactions to the gastrointestinal, urinary, and heart systems in individuals who consume caffeine. High doses of caffeine can even lead to death. About 7% of individuals in the United States may be diagnosed with caffeine poisoning.

The main ingredients of coffee

Caffeine: It has a particularly strong bitter taste and stimulates the central nervous system, heart, and respiratory system.

Tannic acid: Cooked tannic acid will decompose into pyrophoric acid, so coffee cooked for too long will taste worse.


Fat: The most important are acidic and volatile fats.

Acidic fats: Fats contain acids, and their strength varies depending on the type of coffee.

Volatile fat: The main source of coffee aroma, it is a substance that emits about 40 aromatic substances.

Protein: The main source of calories, with a low proportion. The protein in coffee grounds does not dissolve during coffee making, so intake is limited.

Sugar: Raw coffee beans contain about 8% sugar. After baking, most of the sugar is converted into caramel, making the coffee brown and combining with tannic acid to produce a sweet taste.

Fiber: After baking, raw bean fibers will carbonize and combine with caramel to form a coffee color.

Minerals: Contains a small amount of lime, iron, phosphorus, sodium carbonate, etc.

Precautions for Drinking Coffee

The daily intake of caffeine should not exceed 300 milligrams (mg), approximately two medium cups hot American.

Do not put any coffee with sugar or milk overnight, except for black coffee that you have never tasted before.

Don’t drink coffee on an empty stomach, at least eat something to fill your stomach first to avoid hurting your stomach.

Do not drink coffee or alcohol, including any alcoholic beverages.

People who drink coffee for a long time should supplement calcium and magnesium moderately, starting with a balanced diet.

If possible, do not add sugar to coffee to avoid consuming too many calories.

Roasted coffee beans or ground coffee powder should be rinsed and drunk while fresh. The longer they are left, the worse the taste.



Caffeine has a rich taste and is easy to stimulate the central nervous system through the brain blood barrier, promoting brain activity, making the brain clear, lively and sensitive, rich in thinking ability, focused attention, and improving work efficiency; It can stimulate the cerebral cortex, promote sensation, judgment, and enhance memory abilities.

But long-term excessive consumption of coffee can lead to caffeine poisoning, which includes addiction and a series of physical and mental adverse reactions, such as nervousness, irritability, anxiety, tremors, muscle twitching, insomnia, and palpitations.

Moderate caffeine can reduce muscle fatigue, promote digestive secretion, diuretic effect, and help the body excrete excess sodium ions. However, excessive intake can lead to caffeine poisoning, so coffee is not suitable for drinking in large quantities.


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