Coffee is not only in foreign countries. Nowadays, coffee is also a very popular drink in China. Many people will drink a cup of coffee at work, at leisure, and entertainment. Coffee can refresh your mind. White-collar workers who stay up late often drink coffee to stay up late, but in fact, our excessive drinking of coffee is harmful to our bodies. The following editor will tell you about the harm of instant coffee.
A large number of studies have found that drinking coffee properly is very beneficial to human health, but the coffee referred to refers to freshly ground pure coffee, not the instant coffee that is common in our lives. Nowadays, instant coffee of various flavors on the market is extremely popular, because these coffees not only have the strong aroma of coffee but also are very convenient for brewing, which is why they are popular. But experts remind us that excessive consumption of instant coffee is very harmful to human health.
What are the hazards of instant coffee to the human body?
1. Cardiovascular damage
The reason why modern people have a high incidence of cardiovascular and cerebrovascular diseases has a lot to do with their liking to drink instant coffee in daily life. Some experts pointed out that the most important ingredient in instant coffee is non-dairy creamer, and its composition is very complex, including syrup, hydrogenated vegetable oil, and various food additives, but none of these additives are beneficial to human health. Even some big brands of coffee are also indispensable in various additives, if they are consumed for a long time, they will seriously affect human health.
Moreover, these instant coffees also contain a lot of hydrogenated vegetable oils, and this ingredient also contains a lot of "trans fatty acids". If you drink this type of coffee excessively, it will lead to an excessive intake of trans fatty acids, which will seriously affect your heart. Cerebrovascular health.
2. Poor quality
It can be said that no matter how big the brand of instant coffee is, its quality is very inferior. In many cases, due to cost issues, most coffee producers will choose Robusta coffee. And most of the coffee production areas are in Vietnam, China's Hainan, Yunnan, Africa, and other countries. In the production raw materials of this instant coffee, there are also a large number of broken beans, bad beans, poorly developed varieties, etc., which are often roasted and ground directly without screening during the production process.
It can be said that this kind of coffee is often only caffeine extracted, so there is a lack of aroma. However, at this time, in order to make up for this shortcoming, many businesses will use a large number of flavors and additives to reconcile, which results in a worse quality of instant coffee.
3. Carcinogenic
Studies abroad have found that proper drinking of pure coffee has anti-cancer and anti-cancer effects, while for some instant coffee, the opposite is true. The latest research has found that if you drink instant coffee frequently in daily life, it is not only very harmful to human health but also has the risk of causing cancer. Acrylamide is a carcinogen, and all kinds of instant coffee contain acrylamide. If it is consumed for a long time, it will be carcinogenic.
Among the more than 100 samples monitored, the foods with high acrylamide content are in the order of potato fried foods, cereal fried foods, cereal baked foods, and instant coffee. Therefore, they should be avoided as much as possible for human health. Eat this type of food.
4.
It can be said that in addition to a large number of additives in all kinds of instant coffee, caffeine is the largest content, which is also very harmful to human health. Caffeine has the effect of invigorating the central nervous system, so don't drink coffee before going to bed at night, so as not to affect your normal sleep. It is best to drink it 3-4 hours before going to bed at night to ensure that it will not be affected.
These are the hazards of instant coffee, so experts remind some people who love coffee, it is best to buy coffee beans freshly ground and drink so that you can not only taste the unique natural aroma of coffee but also will not affect human health.
What should I pay attention to when drinking coffee?
1. Diabetes patients are advised to drink decaffeinated coffee instead.
2. People who have symptoms of hyperlipidemia should drink follicular coffee.
3. Patients with high blood pressure should pay attention to the time of drinking coffee, try not to drink coffee early in the morning to avoid the sudden increase in blood pressure.
4. Coffee is best to drink after breakfast, because drinking it on an empty stomach may cause irritation to the intestines and stomach, which is detrimental to health.
5. Considering the cost, a cup of 5 yuan or 10 yuan coffee usually does not use better-quality coffee beans. As for the three-in-one coffee, most of it is made with coffee essence or coffee flavoring powder, and it is impossible to use coffee beans well, and the sugar and creamer added in it have higher calories, so drink less.
6. Smell first when drinking, and then taste with your tongue. When drinking coffee, don't swallow dates, but get close to your nose and smell the fragrance. If it smells like a hala, it means the coffee beans are not fresh. After passing the olfactory test, put a sip of coffee in your mouth, taste it with your tongue, and slowly swallow it down your throat. If it tastes clean and bright, has a full and pleasant aroma, and the body has no adverse reactions, it is a good cup of coffee.
7. It is recommended to replace creamer with fresh milk and add less sugar to avoid offsetting the original benefits of coffee.
8. A small amount of coffee has nothing to do with pregnancy, miscarriage, birth defects, premature delivery, and low birth rate. However, for those women who are already pregnant or planning to become pregnant, it is best not to consume more than 200 mg of caffeine a day, because large amounts of caffeine can cause miscarriage.
9. It is safe for children aged 6 to 9 to consume 22 mg of coffee per day. However, many children are very sensitive to coffee and may experience temporary anxiety or irritability. And most of the caffeine consumed by children comes from carbonated drinks, energy drinks, or sweetened tea. These drinks are rich in sugars, which can cause obesity in children. Therefore, even if caffeine is harmless, coffee beverages are still bad for children.
What harm does drinking coffee do to the body?
1. Female infertility
Women who drink 1 cup of coffee a day are more likely to suffer from infertility than women who do not drink coffee. Relevant experts have investigated 104 women who have the habit of drinking coffee, of which about 50 women are not susceptible to conception. Some fertility experts believe that this is a small-scale study and cannot finally confirm the special effect of coffee on fertility. However, the researchers emphasized that if the cause of infertility cannot be explained medically, infertility should be considered related to caffeine.
2. Myocardial infarction
Medical scientists from the Boston University School of Public Health conducted a four-year study on 858 women who had a myocardial infarction for the first time between the ages of 45 and 69 and 858 women who had never suffered a myocardial infarction. The results showed that 5 drinks a day A cup or more of coffee can increase the risk of myocardial infarction in women by 70%, and the risk increases with the increase in the number of coffee drinks.
3. Osteoporosis
Researchers at the University of California in the United States conducted a survey of 980 elderly women aged 50 to 98. The results found that elderly women who drink more than 2 cups of coffee a day for a long time without milk, regardless of age and obesity, their hip bones, The bone density of the spine will decrease, and the degree of decrease is related to the length of time the habit lasts and the amount of drinking. Because caffeine can combine with free calcium in the human body and be excreted in the urine. The reduction of free calcium will inevitably cause the decomposition of bound calcium, leading to osteoporosis.
4. Malformed fetus
In the early 1980s, Dr. Colin of the US Food and Drug Administration found in experiments that after feeding mice a day equivalent to 12 to 24 cups of espresso for adults, pregnant mice will give birth to deformed mice. mouse. To this end, the researchers warned pregnant women in the name of the US Food and Drug Administration: should stop drinking coffee.
5. Pregnancy high pressure
Pregnancy-induced hypertension is a disease peculiar to pregnant women. The patient presents with edema, hypertension, and proteinuria. If not treated in time, the safety of the mother and fetus can be endangered. According to the results of an Australian study, only a few cups of coffee a day can increase blood pressure. For this reason, pregnant women should not drink coffee.
6. Diabetes
Researchers in Finland and the United States found that these two countries are the countries that consume the most coffee. As a result, the two countries have the largest number of people suffering from diabetes. Among them, the coffee consumption of Finns ranks first in the world, and the country has the largest number of diabetic patients in the world. Coffee consumption in other Nordic countries is also high, and the number of people suffering from diabetes is also high. On the contrary, the coffee consumption of Japanese is the least in the world, and the diabetic patients are also the least.
Researchers believe that the caffeine contained in coffee beverages can pass through the pancreas and be deposited into fetal tissues, especially the liver and brain of the fetus, making it possible for babies after birth to suffer from diabetes.
7, hurt the stomach
Coffee contains caffeine, which stimulates sympathetic nerves when it enters the body, thus eliminating drowsiness and improving blood circulation. The body also feels warm and does not feel tired, so it has a "refreshing" effect. However, the sympathetic nerve is stimulated and excited, and the secretion of gastric juice increases, but it will stimulate an empty stomach.
Not suitable for the crowd
Suffering from high blood pressure, coronary heart disease, arteriosclerosis, and other diseases-long-term or large amounts of coffee can cause cardiovascular disease.
Elderly women-coffee will reduce calcium and cause osteoporosis. After menopause, women need to add ten times the amount of calcium every day.
Stomach disease patients-drinking too much coffee can cause gastric disease to worsen.
Pregnant women drinking too much coffee can cause fetal malformations or miscarriage.
Those who are deficient in vitamin B1-vitamin B1 can maintain the balance and stability of the nervous system, and coffee has a destructive effect on it.
Patients-Excessive caffeine intake can cause cancer in normal people.
Contraindications
Remember that coffee should not be consumed at the same time as tea. The tannic acid in tea and coffee can reduce the absorption of iron by 75%;
The tannins in tea and coffee will reduce calcium absorption. Therefore, the time for drinking tea and coffee is best to choose between the two meals;
When a large number of caffeinated beverages and foods are consumed by pregnant women, symptoms such as nausea, vomiting, headache, and rapid heartbeat may appear. Caffeine also enters the fetus through the placenta and affects fetal development;
Many doctors believe that pregnant women drink 1 to 2 cups (6 to 8 ounces per cup) of coffee, tea, or carbonated beverages a day, which will not affect the fetus. But for the sake of prudence, it is best for pregnant women to disable it. Caffeine can lead to an increase in the rate of miscarriage, so you should drink decaffeinated beverages;
Children should not drink coffee. Caffeine can excite children's central nervous system, interfere with children's memory, and cause children's hyperactivity;
Strong tea, coffee, and carbonate-containing beverages are also risk factors for the formation of peptic ulcers; therefore, patients with stomach problems should not drink more coffee;
Coffee drinks contain caffeine, which can easily cause tinnitus;
Coffee cannot be eaten with ibuprofen. Ibuprofen, a commonly used antipyretic, analgesic, and anti-inflammatory drug, has a stimulating effect on the gastric mucosa, and some caffeine in coffee and cola can also stimulate the gastric mucosa and promote gastric acid secretion. If you drink coffee or cola immediately after taking ibuprofen, it will aggravate the irritation of the gastric mucosa.
It is not advisable to smoke immediately after drinking coffee. Certain ingredients in the coffee combine with cigarettes to produce carcinogens.
