What Are the Effects of Caffeine on Children?

Coffee is one of the world's three major beverages. It is a beverage made from roasted coffee beans. Cocoa and tea are the main beverages popular in the world.

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The word "coffee" comes from the Arabic "", which means "plant drink". People around the world love coffee more and more. following"

No matter what kind of coffee, freshness is an important factor affecting quality. When shopping, grab one or two

Calories per 100 grams of coffee. The specific nutrient content is shown in the table below: ^[1]

The doctor reminds that you should not drink coffee on an empty stomach, because coffee can stimulate gastric acid secretion, especially if there is

Coffee coffee

Coffee beans contain about 100 different substances, including caffeine, tannin, oil, and nitrogen compounds. 44-100 mg of caffeine per 100 grams of instant coffee; 64 caffeine per 100 grams of brewed coffee. ~ 124 mg. Coffee is a stimulant that has many effects on the human body. It can diuretic, stimulate the central nervous system and the respiratory system, enlarge blood vessels, accelerate the heartbeat, strengthen the strength of striated muscles, and relieve brain and muscle fatigue.

Cons of coffee

1. People who are accustomed to drinking coffee in large quantities stop drinking coffee, and they will experience headaches, irritability, muscle tension, and nervousness, and the symptoms disappear when they consume caffeine.

2. Women in pregnancy and lactation should drink coffee in moderation, because caffeine penetrates the placenta and appears in breast milk.

3. Drinking coffee can cause mental excitement. Within 4 hours after drinking coffee, caffeine will affect sleep.

Coffee coffee and health

Does coffee affect health

Whether coffee affects health is a topic of great concern to many people, and scientists have been arguing for years. But so far, scientific research has not found conclusive evidence that drinking coffee in moderation is harmful to human health. Between 1970 and 1980, the results of this research were generally negative. Extensive media coverage has disturbed people about the caffeine in their diets.

Gora coffee (9 photos)

In the 1990s, these studies have been able to clarify some unresolved controversies in previous studies due to more rigorous test procedures and a better understanding of other aspects, such as alcohol consumption, exercise habits, and smoking. In particular, much new knowledge about caffeine and health has been provided.

On October 27, 2017, the list of carcinogens published by the International Agency for Research on Cancer of the World Health Organization initially compiled the reference, and caffeine was in the list of 3 types of carcinogens.

Coffee coffee addiction problem

Puerto Rican Yaocote Selection (7 photos)

A university in England invited 300 volunteers to participate in the study. The coffee enthusiasts and non-coffee enthusiasts were divided into two groups. They stopped drinking coffee 16 hours before the test and observed their concentration changes. After "quitting coffee" for 16 hours, only coffee enthusiasts were allowed to drink coffee, and non-coffee enthusiasts were not allowed to drink it, but the results showed that people who drank coffee had the same concentration as non-coffee enthusiasts, only at a normal level. Therefore, it is estimated that even if non-coffee enthusiasts drink coffee, it will not help improve concentration or work efficiency.

Scholars in charge of the investigation said that the body's adenosine, which slows the response in the internal organs, feels "refreshing" after drinking coffee because caffeine stops adenosine from entering cells, making it difficult to cause drowsiness. Research has also pointed out that caffeine can narrow blood vessels, speed up blood flow, and cause headaches. Some coffee enthusiasts may experience headaches, irritability, muscle strain, and nervousness without drinking coffee.

Does drinking coffee affect sleep

Many people have the experience of not being able to sleep because of hyperactivity after drinking coffee. This is because the body has a conductive substance called adenylic acid, which can control nerve activity, produce respiratory slowness, weaken mood, reduce gastric acid secretion and diuretic effect. . Caffeine counterfeits adenylic acid, making the body think that the effect of adenylic acid has already occurred, making you feel energetic, increase gastric acidity, urinate more frequently, and naturally less sleepy. It is worth noting that the short-term effects caused by this caffeine Being awake does not mean that physical strength is really restored. In addition, everyone's metabolism of caffeine is different, and their sensitivity is different, so some people do not feel that their sleep is affected after drinking coffee. Therefore, a cup of hot coffee after getting up in the morning can invigorate the body and mind and make you feel more comfortable, while in the evening it may cause insomnia.

Whether it will cause calcium loss

As people pay more and more attention to the problems of calcium loss and osteoporosis,

There is also considerable doubt about coffee. As for the relationship between caffeine intake and osteoporosis, there is still ongoing research. There is no direct evidence that caffeine can cause osteoporosis, but some studies have pointed out that caffeine can increase calcium loss. Therefore, it is recommended that coffee lovers should eat more high-calcium foods to supplement calcium, such as preparing cheese slices or cheese cakes to enjoy with coffee, not only can supplement calcium, but also make coffee more delicious.

Coffee and Beauty

None of the results showed that the caffeine and melanin in coffee are absolutely related to the increase of skin melanin or skin aging. Conversely, the right amount of caffeine will speed up metabolism, promote digestion, improve constipation, and improve skin roughness. Regarding caffeine's ability to accelerate metabolism, there is a saying that coffee will accelerate the burning of calories and achieve the effect of losing weight. Basically, the theory is correct, but the burning of such calories will not cause much weight loss. If sugar is added to the coffee And creamer, the calculation from the calorie is even more incompatible with the principle of weight loss.

Coffee is a good friend of fitness

Another advantage of coffee is that it can strengthen your body, which will help you exercise longer and make the exercise better. Caffeine is essential in team sports because it enhances attention and reaction. Drinking too much coffee, combined with intense exercise, can cause tachycardia and excitement, causing symptoms such as insomnia and neurological disorders.