Who can't drink coffee?

Not suitable for the crowd

Suffering from high blood pressure, coronary heart disease, atherosclerosis and other diseases - long-term or heavy drinking coffee can cause cardiovascular disease.

Older women - coffee reduces calcium and causes osteoporosis. After menopause, women need 10 times more calcium per day.

Stomach patients - drinking too much coffee can cause stomach problems to worsen.

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

Vitamin B1 deficiency - vitamin B1 can maintain the balance and stability of the nervous system, while coffee has a destructive effect on it.

Cancer patients—drinking excessive amounts of coffee pose a cancer risk to normal people.

Couples wanting children should not drink coffee – Scientists have experimented with killing sperm on a variety of differently formulated caffeinated drinks sold on the market. The results show that all kinds of beverages can kill sperm in varying degrees, and some drinks can even kill all sperm. Therefore, newly-married men who drink coffee will directly harm sperm and thus affect fertility; and once the injured sperm and egg are combined, it may lead to fetal malformation or congenital deficiency. At the same time, newlywed women should also drink as little or as little as possible. Because once pregnant, caffeine in coffee is easily absorbed into the fetus through the placenta, thus causing damage to the fetus's brain, heart and other organs, it will also lead to fetal malformation or cause congenital diseases.

Drinking taboo

l. should not drink strong coffee, espresso can make people heart rate, cause premature beats, irregular heartbeat and excessive excitement, insomnia, etc., thus affecting the rest and restore physical strength.

2. Elderly people suffering from arteriosclerosis, hypertension, and heart disease should not drink coffee. Studies have shown that drinking coffee from heart disease patients can increase the incidence of myocardial infarction.

3. Elderly people suffering from gastric ulcer should not drink coffee and coffee have the effect of stimulating gastric acid secretion, and stomach acid can cause ulcers to increase, resulting in pain, bleeding and so on.

4. Do not drink coffee after drinking because caffeine can increase the damage caused by alcohol, drink alcohol after sobering, unfavorable to health.

Under what circumstances does not benefit from coffee:

When nervous

Caffeine helps increase alertness, agility, memory and concentration. However, drinking more than the amount of coffee you are accustomed to drinking will produce stimulants similar to the same dose, which can cause neurological allergies. For those who are prone to anxiety disorders, caffeine can worsen the symptoms of sweating, palpitations and tinnitus. Because of its analgesic effect, caffeine is often compounded with other simple analgesics. However, if you take a lot of it for a long time, if you have high blood pressure yourself, using a lot of caffeine will only make your condition worse. Since caffeine alone can increase blood pressure, combined with emotional stress, it will have a dangerous synergistic effect. Therefore, people at risk of hypertension should especially avoid drinking caffeinated beverages at work stress. . Some people who have coffee habits all year round think that they are immune to the effects of caffeine, but this is not the case. A study showed that after a cup of coffee, blood pressure can rise for as long as 12 hours. Caffeine itself has a good diuretic effect. If you drink a lot of coffee for a long period of time, it can easily cause bone loss and adversely affect the preservation of bone mass. For women, it may increase the threat of osteoporosis. However, the premise is that there is no adequate intake of calcium in food, or people who do not move often, plus women after menopause, because of the lack of calcium loss caused by estrogen, these conditions plus a large number of caffeine It is possible to pose a threat to the bone. If you can enjoy it in a reasonable amount, you can still do it because you don't like it.

People who drink coffee cautiously:

Liver disease

Caffeine will extend the time that caffeine is in the body. Normal adult caffeine metabolism in normal adults takes 2 hours. However, patients with liver disease or hepatic insufficiency may require 4-5 hours for the metabolism of caffeine. Therefore, patients with liver diseases must be careful when drinking coffee. Drink after the evening so as not to affect sleep due to long metabolic times, and it is best not to exceed 1 cup a day.

Patients with digestive diseases

I believe that people who have frequent stomach stomach problems have an experience, that is, doctors will be paralyzed, and do not eat spicy foods, including: wine, pepper, coffee, tea, carbonated drinks.

The reason why coffee is ranked among them is that the tannic acid in it stimulates the secretion of gastric acid. If it is an acute stage of digestive disease, patients must avoid it. After recovering from health, if you drink coffee occasionally, it is best to use it after meals to avoid fasting coffee.

Pregnant women

Many women start from the time they are pregnant and pay special attention to all foods they eat. Of course, caffeinated beverages are also listed as one of the taboos. This is mainly due to the slow metabolism of caffeine in pregnant women, the time for caffeine to stay in the body will be prolonged, and the fetus in the abdomen will have to wait until eight or nine months to pass through the metabolism and remove the caffeine in the blood.

Child

Due to incomplete development of the liver and kidneys of children, the detoxification ability is poor, and the half-life of caffeine metabolism is prolonged. Therefore, children under 12 years of age are generally prohibited from taking caffeine. Even if European and American people drink coffee every day, they have very strict restrictions on children drinking coffee.

Newlyweds

Newly-married men who drink coffee will directly injure the sperm and thus affect fertility; and if the injured sperm is combined with the egg, it may lead to fetal malformation or congenital deficiency.

At the same time, newlywed women should also drink as little or as little as possible. Because once pregnant, caffeine in coffee is easily absorbed into the fetus through the placenta, thus causing damage to the fetus's brain, heart and other organs, it will also lead to fetal malformation or cause congenital diseases.

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