Advantages and disadvantages of drinking coffee advantages and disadvantages of caffeine

Coffee has become a fashionable drink in our life, many young people like to have a cup of coffee in their spare time to refresh their minds, but many people do not know the pros and cons of drinking coffee. Therefore, it is necessary for us to understand the advantages and disadvantages of drinking coffee, as well as the people who drink coffee carefully. Then let's get to know it with the editor.

The advantages and disadvantages of coffee

Many people will say that drinking coffee hurts the stomach, easy to cause nervous tension, palpitations, after drinking coffee, hands will tremble and dare not try, but it also has many unknown benefits. As long as you know how to get the right amount at the right time, you can bring the benefits of coffee into full play.

I. the composition of coffee

Coffee beans themselves contain vitamin B and nicotinic acid, and roasted beans contain more free fatty acids, caffeine and tannins than raw coffee beans, so coffee itself has calories, but not much. The main calories come from the cream and sugar you add to your coffee.

Benefits of caffeine

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

Advantages and disadvantages of drinking coffee people who drink coffee carefully

two。 Action on the cardiovascular system can improve heart function, dilate blood vessels and promote blood circulation.

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

4. Recently, a new study in the United States shows that drinking coffee can increase libido, because coffee can improve blood circulation, speed up the heartbeat, and stimulate the activity of the nervous system, so regular coffee drinkers are more sexually active than non-regular drinkers. Not only that, but also reduce the risk of impotence.

5. Coffee protects experimental mice from radiation and may have the same effect on humans. ⑾ Zheng ⑸ Song silk sewing gadfly, neon flute, fresh broomstick, post, misery, mother, Mum, bright chaff pie, 70% of the mice survived 25 days later, while all the mice that had not been injected died. Life tips

6. Drinking some coffee every morning may reduce the risk of Parkinson's disease. Experiments with mice at Massachusetts General Hospital found that caffeine maintains levels of dopamine in the brain, a neurotransmitter that allows brain cells to transmit information. Parkinson's disease is associated with a lack of dopamine in the brain.

III. The harmful effects of caffeine

1. Aggravate hypertension

Advantages and disadvantages of drinking coffee people who drink coffee carefully

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. Because caffeine alone can raise blood pressure, coupled with emotional stress, it can have a dangerous multiplication effect, so people at risk of high blood pressure should especially avoid drinking caffeinated drinks during stressful times at work. Some people who drink coffee all the year round think they are immune to the effects of caffeine, but this is not the case. One study shows that blood pressure can rise for up to 12 hours after drinking a cup of coffee.

two。 Induce osteoporosis

Caffeine itself has a good diuretic effect, if you drink a lot of coffee for a long time, it is easy to cause bone loss, which will adversely affect the preservation of bone mass and may increase the threat of osteoporosis for women. But the premise is that people who don't get enough calcium in normal food, or people who don't move very often, plus women after menopause, calcium loss caused by lack of estrogen, coupled with a large amount of caffeine, may pose a threat to bones. If you can enjoy it in a reasonable amount, you can still stop eating for fear of choking.

IV. People who drink coffee carefully

1. Patients with liver disease

Caffeine prolongs the time it takes to thank caffeine in the body. In general, the metabolism of caffeine in normal adults takes 2 hours, but in patients with liver disease or liver insufficiency, the metabolism of caffeine may take 5 hours, so patients with liver disease must be careful when drinking coffee. It is best not to drink it in the evening, so as not to affect sleep due to long metabolic time, and it is best not to exceed 1 cup a day.

Advantages and disadvantages of drinking coffee people who drink coffee carefully

two。 Patients with digestive system diseases

I believe that people who often have stomachaches and stomach ailments have an experience, that is, doctors will tell them not to eat irritating foods, including wine, chili peppers, coffee, tea and carbonated drinks. Coffee is among them because the tannic acid stimulates gastric acid secretion, which must be avoided if it is in the acute stage of digestive disease. After returning to health, if you drink coffee occasionally, it is best to use it after meals to avoid drinking coffee on an empty stomach. Often

3. Pregnant woman

Many women pay special attention to all foods they eat since they are pregnant, and drinks containing caffeine are also taboo. This is mainly due to the slow metabolism of caffeine in pregnant women, the caffeine stays in the body for longer, and the fetus in the belly will not be able to remove caffeine from the blood through metabolism until eight or nine months.

4. Child

Due to the incomplete development of children's liver and kidney and poor detoxification ability, the half-life of caffeine metabolism will be prolonged, so generally speaking, children under the age of 12 need to ban caffeine intake. Even people in Europe and the United States who drink coffee as boiled water all day have very strict restrictions on children's drinking coffee.

These are the advantages and disadvantages of drinking coffee. Will you be able to drink coffee correctly after watching it? Some people say that they should not drink too much coffee for some special reasons. Here, the editor cautiously reminds you that the body is the foundation of everything, and we can use other substitutes to replace coffee.