Coffee is a drink that was introduced to my country in modern times. In urban life, coffee has become the favorite drink of many people, but do you know the pros and cons of drinking coffee? Today let us take a look at the benefits and disadvantages of drinking coffee, hoping to let everyone have a correct understanding of coffee!

The pros and cons of drinking coffee

What are the benefits of drinking coffee?

1. Coffee contains certain nutrients. The nicotinic acid in coffee contains vitamin B, and the content is higher in roasted coffee beans. It also contains free fatty acids, caffeine, tannic acid, etc.

2. Coffee is good for the skin. Coffee can promote metabolism, activate digestive organs, and has a great effect on constipation. Taking a bath with coffee powder is a warm therapy that helps lose weight. Drinking a cup of coffee after a meal can also help digestion.

3. Coffee can help you sober up. Drinking coffee after drinking alcohol will cause the acetaldehyde converted from alcohol to be rapidly oxidized, decomposed into water and carbon dioxide and excreted from the body.

4. Coffee can eliminate fatigue. To eliminate fatigue, you must supplement nutrition, rest and sleep, and promote metabolic function, and coffee has these functions.

5. Three cups of coffee a day can prevent gallstones. Caffeinated coffee can stimulate the contraction of the gallbladder and reduce the cholesterol in the bile that is prone to forming gallstones. The latest research from Harvard University in the United States found that men who drink two to three cups of coffee a day have a 40% lower chance of getting gallstones.

6. Drinking coffee regularly can prevent radiation damage. Radiation damage, especially radiation from electrical appliances, has become a prominent form of pollution. Indian researchers at the Bhabha Atomic Energy Institute came to this conclusion in a mouse experiment and said it can be applied to humans.

7. Coffee's health and medical functions: Coffee has the functions of anti-oxidation, protecting the heart, strengthening the tendons and bones, benefiting the waist and knees, stimulating appetite, eliminating fat and stagnation, benefiting the orifices and removing dampness, promoting blood circulation and removing blood stasis, and calming wind and stopping spasms.

8. The influence of coffee on mood. Experiments show that if an average person absorbs 300 mg (about 3 cups of brewed coffee) of caffeine a day, it will have a good effect on a person's alertness and mood.

9. Coffee can stimulate bowel movements for about one-third of healthy people. If you occasionally have difficulty in defecation, drinking a cup of strong coffee can have an unexpected laxative effect.

10. Coffee can reduce the incidence of Parkinson's disease.

11. The caffeine in coffee can suppress asthma. When an asthma attack occurs, the patient can be given two cups of strong coffee in an emergency, because coffee has the effect of bronchial medicine. People who drink coffee regularly are less likely to have asthma.

12. Coffee can eliminate depression and increase sexual desire.

13. Caffeine can indeed accelerate the decomposition of fat, but at the same time, it depends on muscle movement to convert excess fatty acids into heat energy. If there is no exercise to match it, the excess fatty acids will flow back through the blood and accumulate fat again. Therefore, you need to actively move after drinking coffee to achieve a real weight loss effect.

14. Coffee drinkers are significantly less likely to suffer from dry eyes than non-coffee drinkers. This is mainly due to the purine component in coffee (eye drops containing purine can stimulate glands to secrete fluid and have a certain protective effect on the eyes).

15. It can relieve pain. Headaches caused by a night of poor sleep, or pain in the temple caused by vasoconstriction. These pains caused by non-organic factors can be relieved by coffee, but it must be consumed in the morning or at noon (note: it is prohibited from afternoon to evening).

What are the disadvantages of drinking coffee?

1. People who suffer from hypertension, coronary heart disease, arteriosclerosis and other diseases may develop cardiovascular diseases if they drink coffee for a long time or in large quantities.

2. People who are deficient in vitamin B1 are not suitable for drinking coffee, because vitamin B1 can maintain the balance and stability of the nervous system, while coffee has a destructive effect on it.

3. After menopause, women need to increase their daily calcium intake tenfold. Drinking coffee will reduce calcium intake and cause osteoporosis in elderly women. Drinking two or more cups of coffee a day will increase the risk of fractures by about 50%. Experts believe that one cup of coffee a day is the safest for the elderly.

4. Excessive coffee consumption may worsen the stomach problems of patients.

5. Pregnant women who drink too much coffee may suffer from fetal malformation or miscarriage.

6. Drinking too much coffee may cause cancer to normal people.

7. Generally speaking, a cup of coffee in the morning and afternoon is the best way to refresh people. Drinking more than this amount will not only fail to refresh people, but will also make people feel anxious and restless.

8. Drinking coffee when you have diarrhea will cause the diuretic effect of coffee to promote the excretion of water in the body and aggravate diarrhea.

9. Coffee can stimulate the contraction of the gallbladder. People who are prone to gallstones are strictly prohibited from drinking coffee.

10. Drinking more coffee than you normally drink can produce a similar effect as taking the same dose of stimulants, which can cause nervousness. For people prone to anxiety disorders, caffeine can make symptoms such as sweaty palms, palpitations, and tinnitus worse.

11. Because of its analgesic effect, caffeine is often combined with other simple analgesics. However, if you take large amounts of caffeine for a long time and if you already have high blood pressure, using large amounts of caffeine will only make your condition worse.

Because caffeine alone can raise blood pressure, if it is combined with emotional stress, it will have a dangerous multiplying effect. Therefore, people at risk of high blood pressure should especially avoid drinking caffeinated beverages when they are under great work pressure.

12. Generally, it takes 2 hours for a normal adult to metabolize caffeine. However, for patients with liver disease or liver dysfunction, it may take 4-5 hours to metabolize caffeine. Therefore, patients with liver disease must be careful when drinking coffee. It is best not to drink it after the evening to avoid affecting sleep due to the long metabolism time. It is also best not to exceed 1 cup a day.

13. Children have incomplete development of liver and kidney and poor detoxification ability, which prolongs the half-life of caffeine metabolism. Therefore, generally speaking, children under 12 years old should not consume caffeine. Even Europeans and Americans who drink coffee like water all day long have strict restrictions on children drinking coffee.

Who can't drink coffee?

Suffering from high blood pressure, coronary heart disease, arteriosclerosis and other diseases - Long-term or excessive drinking of coffee can cause cardiovascular diseases.

Elderly women - coffee can reduce calcium and cause osteoporosis. After menopause, women need ten times more calcium every day.

People with stomach problems - drinking too much coffee can make stomach problems worse.

Pregnant women - drinking too much coffee can cause fetal malformation or miscarriage.

People who are deficient in vitamin B1 - Vitamin B1 can maintain the balance and stability of the nervous system, while coffee has a destructive effect on it.

Cancer patients——Drinking excessive coffee may cause cancer to normal people.

Children under 12 years old - Children's liver and kidneys are not fully developed and their detoxification ability is poor, which prolongs the half-life of caffeine metabolism. Therefore, children should be prohibited from consuming caffeine.

Many friends use coffee as a refreshing drink. In fact, the instant coffee sold on the market does not have any refreshing effect, and drinking this coffee frequently can easily cause damage to your health. Therefore, we must drink coffee in moderation. Only in this way can we protect our health.