Nine kinds of people are not suitable for drinking coffee. Many people usually like to drink coffee. Drinking coffee has become a trend, and many office workers like to drink a cup of strong coffee. But do you know that some people are not suitable for drinking coffee? Let's take a look at 9 people who are not suitable for drinking coffee and related information.
Nine kinds of people should not drink coffee 1 1. Coffee with high blood pressure contains caffeine, which will increase the blood pressure of some sensitive patients.
2. If patients with renal failure have hyperkalemia, they need to cooperate with a potassium-restricted diet, and coffee has a high potassium content.
3. Caffeine in peptic ulcer stimulates gastric acid secretion, relaxes smooth muscle blood vessels of digestive system, accelerates food metabolism and reduces the nutritional value of food.
4, diabetes caffeine can reduce insulin secretion in the pancreas, reduce glucose tolerance, increase insulin secretion and raise blood sugar.
5, epilepsy caffeine can stimulate the brain power center, xanthotoxin will contract blood vessels and reduce cerebral blood flow. Very bad for epileptic patients.
6, heart disease coffee will increase the content of fat and triglycerides, increase the burden on the heart and oxygen consumption. Especially when you are tired and smoke too much, it is more likely to cause.
7, iron deficiency anemia coffee will accelerate the metabolism of food and reduce the absorption rate of iron.
8. In order to prevent the recurrence of calcium oxalate stones in kidney calculi, we must fast foods rich in oxalic acid, and coffee is the food rich in oxalic acid.
9, insomnia Drinking coffee for a long time will affect the sedative effect, increase the number of waking up, and make the depth of sleep shallow. In addition to the above patients can not drink coffee, healthy people may not be suitable for drinking coffee, such as pregnant women, lactating women, athletes and so on, which will produce bad emotions or pathological phenomena.
Nine kinds of people should not drink coffee. Who can't drink coffee?
1, coffee is not suitable for children.
Many nutritionists abroad have confirmed that children are the most unsuitable people to drink coffee. Because caffeine can interfere with brain memory, although caffeine has a strong exciting effect on the central nervous system, it will cause children's mental irritability, lack of discipline and decline in academic performance, and caffeine may also promote the increase of cell mutation rate.
2. Pregnant women are not suitable for drinking coffee.
Research by scientists in California has proved that caffeine can inhibit the normal development of the fetus in the mother. Drinking too much coffee may increase the probability of miscarriage, that is, the baby is born smoothly, the baby is generally lighter and the natural mortality rate is high. So: pregnant women had better not drink coffee.
Coffee is not suitable for women and the elderly.
Excessive caffeine can lead to the loss of calcium. Drinking it in the elderly will lead to osteoporosis and increase the chance of fracture. Women need 65,438+00 times more calcium after menopause than before menopause, so it is best for postmenopausal women and the elderly not to drink coffee.
4. Newly married men are not suitable for drinking coffee.
Scientists at Harvard Medical School in the United States conducted an experiment to kill sperm with caffeinated drinks. The results show that the new formula of caffeinated cola beverage can kill 58% of sperm, while the old formula of caffeinated cola beverage can kill all sperm. Therefore, if newly married men drink too much coffee, it will directly harm sperm and affect fertility. If the injured sperm and egg combine, it will lead to fetal malformation or congenital deficiency.
Which is refreshing, milk coffee or black coffee?
1, which is refreshing, white coffee or black coffee
The refreshing effect of black coffee is the best in coffee, but it also varies from person to person. Some people drink these two kinds of coffee and the effect is almost the same.
2. The benefits of white coffee
2. 1, coffee contains certain nutrients. Nicotinic acid in coffee contains vitamin B, and roasted coffee beans have higher content. But also free fatty acids, caffeine, tannic acid and so on.
2.2. Coffee is good for the skin. Coffee can promote metabolic function, activate digestive organs and play a great role in constipation. Bathing with coffee powder is a kind of hyperthermia, which has the function of losing weight.
2.3, coffee has the effect of hangover. Drinking coffee after drinking will quickly oxidize acetaldehyde converted by alcohol, decompose it into water and carbon dioxide and excrete it.
2.4, coffee can eliminate fatigue. To eliminate fatigue, we must supplement nutrition, rest and sleep, and promote metabolic functions, and coffee has these functions.
2.5. Three cups of coffee a day can prevent gallstones. For caffeinated coffee, it can stimulate gallbladder contraction and reduce cholesterol which is easy to form gallstones in bile. Recently, a university researcher found that men who drink two or three cups of coffee a day have a lower risk of gallstones than 40%.
3. The function of black coffee
3. 1, refreshing: caffeine stimulates the central nervous system, which can make the mind clearer, have rich thinking ability, pay attention to concentration and improve work efficiency; 2. Strengthen bones and muscles, benefit the waist and knees: Caffeine can make muscles contract freely and improve motor function.
3.2, appetizing digestion: caffeine stimulates gastrointestinal secretion of gastric acid, can promote intestinal peristalsis, help digestion, prevent gastroptosis, as well as the role of rapid defecation.
3.3, diuresis: caffeine can promote renal function, discharge excess sodium ions in the body, increase urination, improve abdominal distension and edema.
3.4. Promoting blood circulation and removing blood stasis: Linoleic acid contained in coffee has the functions of hemolysis, preventing thrombosis, enhancing vasoconstriction, relieving migraine and reducing the probability of stroke.
3.5, Pingfei Dingchuan: Caffeine will inhibit parasympathetic nerves and reduce asthma attacks.
3.6. Black coffee can effectively improve hypotension.
3.7, drinking coffee can protect the liver and hangover.
3.8, coffee can lose weight: the best time to lose weight by drinking coffee is 30 minutes after lunch to 1 hour and before going to work, taste a cup of rich sugar-free black coffee, with walking, can promote fat burning.
Nine kinds of people should not drink coffee. 3. Advantages and disadvantages of coffee
1, coffee contains nicotinic acid, which is a kind of vitamin B. Drinking coffee can supplement the nutrition of vitamin B. There are also free fatty acids, caffeine, tannic acid and other substances that can be absorbed by the human body.
2, coffee can eliminate fatigue. Caffeine in coffee can excite nerves and make people less tired.
3. Coffee is helpful for constipation patients, because coffee is beneficial to human metabolism and promotes waste excretion.
4, coffee can also hangover. Coffee can promote the decomposition of alcohol, so that alcohol can be converted into water and carbon dioxide, which can be quickly excreted.
5. Drinking coffee regularly can also prevent radiation damage. Studies have shown that many people are now injured by the radiation of electrical appliances, and drinking coffee can have a certain impact.
6, mental stress, and even lead to palpitations, sweaty palms. This is because too much coffee will make the nerves excessively excited and nervous, and keep alert at all times.
7. Hypertension is getting worse. Coffee itself has the effect of raising blood pressure, and if it is a hypertensive patient, drinking coffee will undoubtedly aggravate the condition, so patients with hypertension should try not to drink coffee.
8, causing osteoporosis, especially for middle-aged and elderly women. If you drink a lot of coffee for a long time, under the diuretic effect of coffee, the calcium that is not absorbed enough will be excreted with urine, which will lead to bone calcium deficiency and osteoporosis.
Do women often drink coffee?
Women often drink coffee or bring three major hazards.
Although coffee can refresh people, on the whole, it is not a healthy drink. It is harmless for women to drink occasionally, but if they drink it for a long time or in large quantities, it may bring the following adverse consequences:
Obesity: Black coffee basically contains no calories, but most people will add a lot of sugar and creamer when drinking coffee, which will greatly increase the calories of coffee. If they drink it often, they will probably get fat unconsciously.
Cause irregular menstruation: Coffee contains a lot of caffeine. If a woman drinks a cup of coffee or more than one cup of coffee, it is likely to cause irregular menstruation, thus affecting pregnancy.
Influence on beauty: Coffee, like strong tea, will leave stains on teeth for a long time, which is often not effectively cleaned by ordinary brushing.