Coffee: benefits and harm to health. Instant coffee - benefits and harms

Many people simply cannot imagine their breakfast without a cup of aromatic coffee.

This drink quickly awakens you, gives you vigor and strength, and its thick, noble aroma perfectly lifts your spirits.

Coffee lovers do not neglect a couple of cups of an invigorating drink during the day; some indulge in this pleasure even late in the evening.

More recently, excessive coffee consumption was considered very dangerous. Now the situation has changed. Recent studies have shown that most negative effects are associated not with the harmfulness of coffee, but with individual intolerance individual components drink

Nutritional value and composition

100 g of ground coffee powder contains 200.6 kcal. Since 5–6 g of powder is used to prepare a serving of the drink, the calorie content of one cup will be extremely low and will be only 10–12 kcal. Adding sugar or milk to your drink will increase the calorie content of a cup of coffee.

Coffee beans contain about 2000 components, including:

water – 3%;
caffeine – 0.6–2.7%;
fats – 12%;
proteins – 13%;
carbohydrates – 4%;
sucrose and fructose – 25%;
chlorogenic acid – 7%;
essential oils;
tannin;
micro- and macroelements: potassium, calcium, magnesium, phosphorus, sodium, iron;
organic acids – 8%;
vitamins P, B2, thiamine.

The composition of the beans varies depending on the variety, degree of roasting and the duration of the thermal effect on the product. Roasting has a particularly strong effect on the caffeine content: its concentration increases by 1.3%.

How is it useful?

Everyone notices that after a cup of coffee, performance sharply increases, concentration and reaction speed increases, physical endurance increases and mood improves. What other beneficial properties has coffee?

This drink has an effect on all human organ systems:

Central nervous system . Caffeine dilates blood vessels, accelerates blood circulation and stimulates brain function. It is thanks to these properties of the drink that a person’s performance and attentiveness increase, and their memory improves. Doctors note that drinking 4 cups of coffee daily reduces the risk of such terrible diseases as Alzheimer's and Parkinson's diseases by 50%.
Musculoskeletal system. Despite the fact that caffeine contributes to the leaching of calcium from the body and the destruction of bone tissue, drinking coffee reduces the risk of gout by 40%. In addition, this drink reduces muscle pain after intense sports training. To avoid the debilitating muscle pain that invariably accompanies beginning athletes the morning after exercise, it is recommended to drink 2 servings of coffee before visiting the gym.
Mental state. Coffee promotes the production of serotonin, the hormone of joy, so the aromatic drink can be considered an excellent remedy for. It fights no less effectively against apathy, lethargy, and drowsiness. You can also drink it to combat stress.
Cardiovascular system. Caffeine stimulates the heart, increases heart rate, dilates blood vessels and increases blood pressure. That is why, when there is a sharp drop in blood pressure, the patient is recommended to drink a cup of strong coffee.
Respiratory system. Caffeine relaxes the airways, which reduces the intensity of coughing and reduces the frequency of asthmatic attacks by 25%.
Oral cavity. Due to the acid content and essential oils Coffee has a slight antibacterial effect: it prevents the development of other bacterial diseases of the oral cavity. But a dark drink will have the most negative effect on the color of tooth enamel: with regular coffee consumption, teeth turn yellow and become covered with a brown coating.
Digestive system. Coffee effectively cleanses the body of toxins, removes harmful substances, and activates metabolic processes. That's why drinking this drink helps you lose weight. In order for sports training to give maximum results, you need to drink a cup of an invigorating drink an hour before going to the gym.

Coffee has a beneficial effect on all organs of the digestive system:

has a laxative effect, activates intestinal function in people with difficulty digesting food;
helps maintain the health of the gallbladder and kidneys, preventing the development of gallstones (chemicals contained in coffee prevent bile from thickening and crystallizing);
reduces the risk of type 2 by several times, since caffeine and chlorogenic acid prevent the accumulation of amyloid protein in the pancreas;
reduces the rate of development of alcoholic cirrhosis of the liver;
promotes the secretion of gastric juice, increases its acidity (coffee is an excellent drink for people suffering from gastritis with low acidity).

Besides, daily use coffee reduces the risk of developing cancer. The drink prevents cancer of the liver, intestines, pancreas, prostate, mammary glands, bladder and skin. To get the desired effect, it is enough to drink 2-4 cups of coffee every day. However more drink may be harmful.

Is there any harm?

The harmful properties of coffee appear in the following cases:

excessive consumption (more than 6 cups per day);
individual intolerance to individual components of coffee beans;
love of espresso-based drinks (coffee with milk, cappuccino).

The latter circumstance does not always cause harm. For example, drinking coffee with milk prevents calcium from being washed out of the body and stops the destruction of bone tissue. However, the calorie content of such a drink is extremely high. If a cup of espresso contains only 10 kcal, then a serving of coffee with milk and sugar contains about 60 kcal.

Consequences of abuse of coffee-based drinks:

Increased cholesterol levels and increased risk of cardiovascular disease. During the preparation of the drink, harmful substances are released from the coffee powder. chemical elements– caffeol, coffeestrol and benzopyrene. They increase cholesterol levels, cause tachycardia, contribute to increased blood pressure and rapid wear of the heart muscle. The amount of harmful substances depends on the roast: heavily roasted coffee contains more harmful compounds.
Nervousness and irritability, depression and lethargy, anxiety and insomnia. The fact is that a single dose of coffee stimulates the functioning of the nervous system. If the nervous system is regularly in an excited state, severe stress occurs. The result is exhaustion nerve cells and the appearance of neuroses, psychoses, paranoid states. If a person suffers mental illness, getting caffeine into the body will provoke unmotivated aggression.
The emergence of addiction. People, for a long time Coffee drinkers notice that when they stop drinking for a short time, they experience headaches, irritability, drowsiness, or nausea. Without a cup of your favorite drink, a person can no longer wake up; he walks around irritated and angry all day. The symptoms are reminiscent of the withdrawal symptoms of drug addicts.
Poor absorption of important vitamins, micro- and macroelements. Coffee reduces the absorption of B vitamins, calcium, potassium, sodium and magnesium. Moreover, coffee flushes calcium from the body and makes bones more brittle and brittle.
Skin disease. Doctors say that daily coffee consumption contributes to rapid fading of facial skin and provokes the occurrence of skin diseases (for example, rosacea). This is due to the fact that coffee dehydrates tissues, depriving them of softness and elasticity.
Gastritis. Coffee's ability to stimulate the production of gastric juice and increase its acidity sometimes results in serious troubles: drinking coffee on an empty stomach can trigger an attack of gastritis or the development of an ulcer.
Dehydration. The diuretic and laxative properties of coffee often bring an unexpected result: the body may lose too much water. Paradoxical as it may seem, the more coffee a person drinks, the more water it should be consumed daily. Avoiding dehydration is easy - just include other drinks in your diet in addition to coffee.
Complications during pregnancy. Drinking more than 4 cups of coffee per day during pregnancy can lead to complications, as well as to health problems for the newborn baby (he will grow more slowly and have difficulty gaining weight).

Contraindications for use

Who shouldn't drink coffee? It all depends individual characteristics, but people with certain diseases should limit their consumption of the invigorating drink.

Contraindications:

coronary heart disease;
mental illness;
hypertension;
atherosclerosis;
glaucoma;
insomnia.

It is not advisable to drink coffee for children under 10 years of age, as well as for older people. Caffeine provokes enuresis, nervous tics, and mood swings. The child becomes more aggressive, capricious, and anxious.

Is it possible to drink coffee during pregnancy? There is no clear answer to this question. It all depends on the individual characteristics of the woman’s body. For some, a couple of cups of aromatic drink a day will not cause harm, but for others it can cause miscarriage or death of the baby in the womb.

Coffee is not only delicious, but also healthy drink. However, its excessive use can lead to dire consequences. Like others healthy products, coffee should be consumed in small doses. The daily norm for an invigorating drink is 4 cups.

In addition, you need to remember that only a natural product has beneficial properties: soluble and sublimated surrogates will provide negative impact to your health.

Most of humanity cannot imagine their morning without coffee - an invigorating drink that instantly relieves sleep. Some coffee lovers enjoy the process, inhaling the aroma and tasting the drink little by little, and can do this several times a day, even on their day off. The second part of people drinks coffee solely to quickly wake up their body, so as not to be late for work or a meeting. But everyone has one thing in common - the need for coffee!

The benefits of coffee for the body and human health

Coffee in moderation not only does not harm human health, but can also be beneficial!

Why do you think we every morning, no matter how much we are in a hurry to get to work, still set aside 5-10 minutes for coffee? Turns out it's coffee stimulates the accumulation of the hormone of happiness , which every person so strives to develop.
Natural coffee quickly activates the body's work , stimulates the nervous system, makes the heart work harder, delivering more oxygen to the organs. Which in turn contributes improving memory and concentration .
With the help of coffee, we wake up and not only open our eyes, but feel a surge of strength. In other words, morning drink - energy drink, which invigorates and charges people with strength for the whole day.
Black coffee affects all processes in the human body, but no one would have thought that this particular drink is a quarter reduces the risk of asthma !
Gallstones are found much less frequently in people who drink at least 1-2 cups of coffee per day. Scientists have proven that this figure is not just a coincidence! Black coffee and truth reduces the risk of gallstones .
For athletes, a couple of cups of coffee is real relief from muscle pain . After all, black coffee can dull muscle pain after strenuous workouts.
People who are overweight should definitely drink a couple of cups of natural coffee a day. An invigorating drink slows down the process of fat accumulation and speeds up metabolism, which in turn promotes weight loss .

Do not forget that drinking coffee after 18.00 is not recommended, since closer to night the body should calm down, relax and prepare for sleep.

The benefits of instant coffee

Instant coffee is obtained through long-term processing of coffee beans. For its production, grains that have lost presentation, or not so much good quality. The final product is packed with additives, coloring and flavorings. The powder that results from processing has nothing in common with coffee beans other than its origin.

By by and large Instant coffee does not benefit the body, no matter what you choose - powder, granules or freeze-dried. Although many argue that the freeze-dried analogue is still useful. In fact, it retains a little more properties than its younger brothers, but at the same time its price is higher. So is the price difference between a natural and freeze-dried drink worth the lost qualities?

All you can get from a cup of this coffee is a weak imitation of natural coffee. This coffee can give your body vigor, accelerated functioning of all organs, increased heart rate and energy.

What is freeze-dried coffee and how is it useful?

Freeze-dried coffee is produced by roasting, grinding into powder, removing water and freezing. natural product. The result is pyramids (granules) to which no dyes or flavors are added.

There is a lot of controversy around freeze-dried coffee: some argue that it is the most... healthy coffee, others insist that it is simply an analogue of natural coffee, although it is made from beans of not the worst quality.

Freeze-dried coffee is an instant drink that contains less caffeine, as well as other components lost in two heat treatments. An undeniable advantage is the absence of additives.

The benefits of freeze-dried coffee are the same as those of the general group of instant drinks, but this option does not harm the body due to the absence of additives.

The benefits of natural coffee beans and ground coffee

Natural coffee beans and ground coffee in moderation, namely no more than 3 cups per day, will only benefit your body.

In addition to the above benefits for the body, with the systematic consumption of coffee, the following facts also occur:

Ground coffee prevents the appearance of tumors in the colon.
Virtually eliminates the occurrence of diabetes.
Prevents the occurrence of liver cirrhosis.
Promotes normal functioning of the gastrointestinal tract.
Sharpenes the senses.
Makes the brain work harder.

Benefits of coffee with milk

People drink coffee with ginger, cinnamon, and even lemon, but still the overwhelming number of “coffee lovers” prefer coffee with milk.

Coffee with milk combines the benefits of coffee and milk for the body, since their components are completely neutral to each other.

Milk reduces the caffeine concentration in the drink by increasing its volume.
Caffeine helps flush out minerals, and milk, in turn, restores the balance by supplying valuable calcium.
By eliminating the bitterness of natural coffee, milk relieves the body of heartburn.
Quickly satisfies hunger, reducing the desire to eat.
Coffee with milk is an ally in the fight against liver cirrhosis.
Milk as part of an invigorating drink eliminates the harmful effects of caffeine on tooth enamel.

What are the benefits of green coffee?

A new generation drink - this is what green coffee is called. Why is this drink rapidly gaining popularity?

It contains much less caffeine, which makes it possible for people who are contraindicated to drink their favorite drink.
Green coffee burns fat!
This drink has a rejuvenating effect.
Has a calming effect on the nervous system.
Helps in the fight against migraines.
Eliminates stomach upset.

The benefits of coffee with cinnamon, lemon, ginger

We have already looked at the beneficial properties of coffee, but what are the benefits of coffee with additives? By adding any ingredient to coffee, you enhance its beneficial properties.

Ginger

A unique plant that brings a lot of benefits to the body: it increases immunity, helps in the fight against colds and other diseases. Its tandem with coffee is definitely useful, but is contraindicated for children, pregnant women, people with diseases of the gastrointestinal tract and nervous system.

Lemon

“Espresso Romano” is only possible if you use natural coffee. Vitamin C contained in lemon neutralizes caffeine, which makes this drink suitable for those for whom caffeine is harmful to health.

Cinnamon

A spice that has won the gratitude of women who want to lose weight. A unique tandem with coffee will show amazing results. Appetite decreases, thirst quenches, and weight decreases. This drink also prevents heart attacks, atherosclerosis and normalizes blood sugar levels.

Decaffeinated coffee: benefits and harms

The only advantage of such a drink is the ability to drink it during a strict diet, pregnancy, heart disease, and people with kidney and vascular diseases. The harm of such coffee can be described as follows:

A blow to the liver. Each cup of this drink introduces a little poison into your body (ethyl citate), which is used to rid the beans of caffeine, but cannot completely wash it out!
Atherosclerosis. This disease is triggered by decaffeinated coffee.
This drink also has a detrimental effect on the cardiovascular system, although many heart patients drink decaffeinated coffee without even knowing about its harm.

Benefits of coffee for women and men: specific properties

Coffee supports female figure normal or helps achieve the desired result. He helps female body quickly recover after childbirth and breastfeeding, as it accelerates all metabolic processes. The invigorating drink also reduces the risk of uterine cancer, but only if it is drunk without milk or sugar.

For men - this drink has a beneficial effect on the male reproductive system, significantly increasing reproductive function. Coffee also reduces the risk of Parkinson's disease.

Harm of coffee: how can an invigorating drink harm you?

Overdose . Coffee is useful only in moderation: if you drink 5-6 cups a day, there will be no benefit for the body, you will exhaust yourself, and your favorite drink will turn into real poison!
Analogs . Instant coffee and decaffeinated coffee only cause harm to the body, affecting the gastrointestinal tract, nervous and cardiovascular systems.
Compliance with the regime . The body is programmed by nature to sleep, and when this time is disrupted by caffeine, the body gradually begins to “lose ground,” with the nervous system suffering the most.
Gastrointestinal disorders . Drinking coffee in the morning on an empty stomach or paired with a cigarette is very harmful. In fact, this is a death sentence for the stomach.
At non-compliance with recommendations By drinking coffee you can dehydrate your body. Coffee lovers often make a huge mistake by replacing drinking water with coffee. Thus, beneficial substances are gradually washed out, while the water balance is completely disturbed. The result is skin diseases, weakness and rapid aging of cells

If you like to drink a cup of coffee with a piece of cake or other dessert, then you have probably wondered at least once whether coffee is harmful or beneficial. This article systematizes information about the beneficial and harmful properties of coffee, which will help you answer the question: is it worth drinking coffee?

Natural coffee has a pleasant aroma, which is sometimes impossible to tear yourself away from. This is a tasty and invigorating drink with which you can eat sweets, talk, think alone, or take a break while working. There are a huge number of coffee drinks for every taste. Everyone loves and drinks coffee – some a little, some a lot. Coffee has both harmful and beneficial influence on the human body. First, we will figure out the benefits of coffee, but we will warn you right away - you need to drink coffee in moderation.

Benefits of coffee

1. Coffee invigorates, improves memory and concentration. All this is due to the presence of caffeine in its composition, which stimulates the central nervous system, dilates blood vessels, and increases the pulse rate. The benefit of natural coffee is that it gives energy to the human body, and he feels a surge of strength. Therefore, it is not recommended to drink coffee before bed - when the body gets ready for sleep, when caffeine arrives, it begins to work more intensely and the person cannot fall asleep.

2. Coffee reduces the likelihood of asthma by 25%. Italian scientists found this out during experiments. Drinking 2 to 3 cups of natural coffee per day reduces the likelihood of developing asthma. Coffee is considered a bronchodilator that improves the breathing process - this is another beneficial property of black coffee.

3. Coffee reduces the risk of gallstones. This was revealed as a result of a ten-year experiment, which showed that drinking 2 - 3 cups of coffee per day reduces the risk of gallstones.

4. Another benefit of natural coffee is to reduce the risk of Parkinson's disease in humans. Research at Harvard and other scientific and medical institutions has shown that drinking 3 cups of coffee a day reduces a person's likelihood of developing Parkinson's disease by 5 times.

5. Coffee is good for weight loss and helps you lose weight. One of the properties of coffee is to stimulate metabolic processes in the human body. Due to the acceleration of metabolic processes in the body, a person gains more slowly overweight or loses it during physical activity.

6. Coffee improves memory and promotes creativity and associative thinking. A coffee break can help a creative person solve his problems. A cup of coffee will help you come up with an original solution, create a creative mood, and help you find an interesting metaphor.

7. Another beneficial property of black coffee is that it reduces muscle pain. This feature of coffee may help athletes reduce sensitivity to muscle pain. To do this, you just need to drink 2 cups of coffee before playing sports.

These are the main beneficial properties of coffee. But that’s not all, there are other benefits from natural coffee: reducing the harm from smoking, reducing the effectiveness of antibiotics, and accumulating the hormone of happiness in the human body. The main component that has a positive effect on certain mechanisms in the human body is caffeine. It can be beneficial in some quantities, but if consumed in excess, it can cause harm to the human body. That is, coffee can be both beneficial and harmful to humans. Let's take a closer look at the harmful properties of coffee.

Harm from coffee

1. Frequent consumption of coffee has a harmful effect on the nervous system. Caffeine stimulates the cardiovascular and nervous system, and with frequent use, the body is constantly in an excited state, which is why it quickly becomes exhausted. The normal functioning of all body mechanisms is disrupted, which leads to stress. Excessive coffee consumption can cause attacks of aggression and psychosis, so you should not drink it too often.

2. Black coffee is harmful to the cardiovascular system. Work incentives cardiovascular system Due to the effect of caffeine, it is short-term in nature. After drinking coffee, a person's blood pressure rises and their pulse quickens. This effect can be dangerous for hypertensive patients, people with coronary heart disease and tachycardia. Coffee disrupts the natural rhythm of the heart and can worsen the health of not only a sick person, but also a healthy person if consumed excessively. To prevent coffee from harming the heart and blood vessels, people with cardiovascular diseases are not recommended to drink coffee at all; healthy people are advised to drink coffee in moderation, no more than 2-3 cups a day.

3. Coffee leaches a number of beneficial elements from the body, including vitamins B1 and B6, potassium, calcium and magnesium - this is another harmful property of coffee. A lack of these elements in the human body can lead to health problems.

For example, the lack of sufficient calcium in the body leads to tooth decay, brittle bones and nails, and problems with the spine may appear in the form of curvature, osteochondrosis, and back pain. It is especially harmful to drink a lot of coffee during adolescence, when musculoskeletal system It is just being formed, and the lack of calcium can lead to its improper formation. A lack of vitamins B1 and B6 can lead to impaired cerebral circulation, which can cause headaches and a number of other diseases associated with mental activity, attention, and reaction speed.

It is harmful to drink coffee during pregnancy, since the fetus may not receive enough of the above microelements, which coffee washes out of the woman’s body, which can lead to disturbances in the development of the child.

4. If consumed frequently, coffee becomes addictive. People addicted to coffee may experience symptoms such as fatigue, depression, drowsiness, and drowsiness. To cheer up, a person drinks coffee, but over time its effectiveness decreases and the coffee lover needs more caffeine. So a person drinks more and more coffee, which has an increasingly detrimental effect on his body.

5. Another harm from natural coffee is that if consumed frequently, it leads to mental disorders such as paranoia, epilepsy, and psychosis. Coffee stimulates the active functioning of the cardiovascular system, and if a person is in this state often, then stress appears. Due to being in constant stress the person becomes aggressive.

6. The harm of coffee for women is that excessive consumption of coffee during pregnancy increases the likelihood of miscarriage. Therefore, women are strongly advised not to drink coffee during pregnancy.

7. Coffee has a dehydrating effect on the body and is a diuretic. Therefore, it is recommended to drink it with coffee plain water. To replenish the water supply in the human body. To maintain the balance of water in the body, it is recommended to drink as much water as you drink coffee.

Coffee can be both beneficial and harmful to humans. It all depends on the characteristics of the body and the amount of coffee consumed. A healthy person can drink 2 - 3 cups of coffee a day and there will be no harm from it. But if a person has hypertension and vascular disease, then it is not advisable for him to drink coffee. It is useful for asthmatics to drink coffee; consuming 2-3 cups will help improve breathing and slightly reduce the severity of the attack.

Black coffee is a drink that has an active effect on the human body, so you can drink it in small quantities, only in this case its consumption will be beneficial for the person. Frequent and excessive consumption can be harmful to a person, so if you drink a lot of coffee, we strongly recommend that you reduce your dose to maintain your health.

Coffee is probably one of the most controversial foods in the world. There is simply a sea various information on the topic harm and benefits of coffee. Research data, statistics, and doctors' reports are presented, but the problem is that there is no consensus. You read one article - coffee is good for you, the second - harmful, the third - beneficial, the fourth - harmful and beneficial and so you can read as many articles as you like. Apparently this is a case where there is no ready-made solution on a silver platter. You need to listen to your body and decide for yourself Should you drink coffee and in what quantities?.

I’ll give you some information from the network, and it’s up to you to make the decision.

Harm from coffee

Harm of coffee to the nervous system

In fairness, it should be said that in certain doses, coffee improves reaction, increases physical activity, excitability of the brain, mental and physical performance, stimulates the respiratory center. Again, in optimal doses, it reduces fatigue and drowsiness, weakens the effect of sleeping pills and narcotic substances.

However harm from coffee is that it is very difficult to determine this very dose on your own. After all, the effect of caffeine on each person is individual, and depends on the type of nervous system. And even a small and not very long-term excess of the individual dose leads to depletion of nerve cells and disruption of the normal functioning of the body.

This is why coffee should never be given to children. The dangers of coffee for children are enormous. Coffee disrupts the growth and development of a child.
By the way, no one, even avid coffee drinkers, should drink it before bed. The last cup should be drunk at least a few hours before bedtime.

Harm of coffee to the heart system

It has been proven that coffee increases cardiac activity, stimulates the vasomotor center, and increases the pulse rate. It also increases blood pressure, although only briefly and slightly. Thus, the harm of coffee for people with arterial hypertension, coronary heart disease and other diseases of the cardiovascular system. And also for those who are predisposed to these diseases. By the way, people who drink more than 6 cups of coffee a day also run the risk of developing heart problems.

Harm of coffee to the urinary system

If a coffee lover suffers from kidney disease or other organs of the urinary system, then it is better for him to stop drinking this drink. The harm of coffee in this case is that it has a diuretic effect. But if you don’t have the strength to refuse, then at least drink more water. Optimally, a glass of water for every cup of coffee you drink.

Harm of coffee for pregnancy

As they say, you can’t argue with scientific figures. Scientifically proven harmful coffee for expectant mothers. If a woman drinks at least 4 cups of coffee a day during pregnancy, the risk of miscarriage is about 33%. But as soon as a pregnant woman reduces her coffee consumption to 3 cups, the harm from coffee drops rapidly. The risk of fetal death in the womb is reduced to 3%. The harm of coffee is especially strong during pregnancy from 20 weeks.

Harm of coffee for the content of microelements in the body

It is well established that coffee interferes with the absorption and washes calcium, magnesium, potassium, sodium and some other trace elements from the body. So if you love coffee, be sure to take vitamin complexes or eat more foods rich in the above micronutrients. For example, after drinking a cup of coffee, eat 15 grams - this will return the calcium balance to the proper level.

The dangers of decaffeinated coffee

Some people think that by drinking decaffeinated coffee they are eliminating the harmful effects. It's true if we're talking about specifically about caffeine. But this creates another danger. After all, in order to rid coffee beans of caffeine, they are treated with chemicals. And it’s not clear which is more harmful.

Harm of coffee for the whole body as a whole

Benefits of coffee

The benefits of coffee as a means of improving mental and physical performance are undeniable. By using scientific experiment Coffee has even been proven to improve mental performance. True, this applies only to those who engage in logical thinking.

Benefits of coffee for a person’s mental health is also expressed in the fact that it increases resistance to stress. It also reduces the risk of depression and suicide, and the risk decreases with increasing amount of coffee consumed.

Just 2 cups of coffee a day reduces the risk of cancer of the liver, pancreas, colon and rectum. And smokers also have a risk of blood cancer. Coffee reduces the risk of developing Parkinson's disease; for this, women need to drink coffee in moderation, and men in large quantities. Coffee reduces the risk of developing diseases such as hypertension, hypercholesterolemia, asthma, migraine, cholelithiasis, liver cirrhosis, heart attack, and atherosclerosis. 6 cups of coffee a day reduces the risk of diabetes in men by half, and in women by a third.

Particularly noticeable benefits of coffee for men. It improves male reproductive function by increasing sperm motility.

Known benefits of coffee for those who want to lose extra pounds. Just 1 cup of coffee allows you to work out in the gym a third more intensely than usual. And when dieting and exercising, coffee forces the body to use fat, not carbohydrates, for energy. What do you say? In my opinion, the benefits of coffee are obvious! Also benefits of coffee for preserving youth and beauty Another benefit is that coffee contains antioxidants.

In addition, coffee is often used to improve digestion. Coffee helps digest food, for which you need to drink a cup or two after have a delicious lunch. And this is also the benefit of coffee.

The benefits of coffee have also appeared in medicine. Caffeine is used as therapy for diseases that depress the central nervous system. For example, in case of poisoning with drugs and poisons, infectious diseases, insufficiency of the cardiovascular system, vascular spasms. Caffeine is one of the components of the following medications: Askafen, Novomigrofen, Novocephalgin, Pyramein, Citramon, Caffetamine.

Benefits of coffee has generated so much research that in the process, persistent myths about coffee have been debunked. For example, it has been proven that coffee does not cause coronary heart disease; does not cause organ cancer, does not cause deformities in the fetus during pregnancy and many other diseases.

Coffee has long become one of the most favorite drinks all over the world. Today there is a huge number of different coffee blends with original taste and aroma, many original recipes making coffee, there is even decaffeinated coffee or with special medicinal additives. But we will talk about the beneficial and harmful properties of the most common coffee - natural or instant, and whether it is worth consuming it and in what quantities.

Many legends and gossip have long revolved around coffee. It is either considered a panacea for all ills, or declared harmful product and recommend limiting consumption. And practical experience of drinking this drink, as well as medical research, prove that everything here depends on the amount of coffee, the method of preparation and the patient’s health condition.

Coffee composition

The impact of coffee on human health is explained by its chemical composition. The coffee bean contains the most different substances, this is the well-known caffeine, and protein, as well as trigonelline, chlorogenic acid, and various mineral salts. The listed substances account for approximately 25% of the weight of raw coffee beans, and the rest is fiber, oil and water. It should be borne in mind that the amount of these substances and their combination depends on the type of coffee.

Caffeine is the most famous substance in coffee. It is caffeine that regulates and enhances excitation processes in the brain. If you choose an adequate dose of caffeine, it will help increase mental activity, performance, and also relieve fatigue and drowsiness. But systematic use of large doses of caffeine can lead to addiction and exhaustion of the nervous system. Very large doses of caffeine can even cause death in the patient.

Another important component of coffee is trigonelin. This is a substance that is involved in the creation unique aroma coffee, in addition, when roasted, it turns into nicotinic acid; a lack of bark provokes the disease pellagra.

An important component of coffee is chlorogenic acid. found only in raw coffee beans. When fried, it disintegrates and different ones are obtained. organic matter, which give coffee a characteristic astringent flavor. Other acids in coffee, such as malic, citric, acetic and caffeic, help normalize the activity of the gastrointestinal tract and improve digestion.

Bitterness in coffee is a consequence of the presence of tannins in it.. Tannins are complex organic substances with wide range actions, but under the influence of dairy products they disintegrate, so coffee with milk loses its bitterness. In addition, coffee contains up to 20% of the daily value of vitamin P, which tends to strengthen blood vessels, and beneficial minerals such as potassium, calcium, phosphorus and iron.

Negative effects of coffee on the body

Everyone knows that coffee is not the healthiest drink. Doctors strongly recommend not to exceed the recommended doses of its use. More than one or two cups of coffee per day can lead to depression, drowsiness, irritability and lethargy. This drink is addictive, so often when such symptoms occur, withdrawal does not bring relief. Formed vicious circle, which is not easy to get out of.

There are several of the most dangerous ways coffee can affect you and you need to be aware of them if you want to stay healthy. The nervous system is most often affected. Caffeine constantly “spurs” it and thereby leads to exhaustion.

When drinking coffee, you need to remember that This drink has a pronounced diuretic effect. This negatively affects not only the functioning of the kidneys and ureter, but also the entire body, which begins to lack moisture. Therefore, in parallel with drinking coffee, it is important to drink other liquids.

A lot of talk revolves around the negative impact of coffee on heart function. But in reality this influence is too small to be taken seriously. Coffee increases blood pressure, but only for a short time and can only harm a person who already has serious problems with heart.

Much more serious negative influence coffee on the stomach. After drinking this drink, the acidity in the stomach increases, which can cause heartburn, as well as the development of gastritis and ulcers. It is especially dangerous to drink coffee on an empty stomach and with a cigarette, as is often done. To minimize the harm from drinking coffee, simply eat before drinking it.

Beneficial properties of coffee

Given that correct use Coffee in moderation will not only not harm you, but will also be very beneficial. If you drink no more than two cups of this drink a day, it will help you cheer up without harming your body. Coffee helps alleviate the symptoms of allergies and asthma, and also activates the gastrointestinal tract. Coffee is often recommended for poisoning with certain poisons and narcotic substances. It will also be useful for insufficient function of the cardiovascular system.

Very interesting studies were conducted in India. They found that coffee helps to some extent protect against the harmful effects of radioactive radiation. This drink also contains a significant amount of serotonin, which is a hormone of happiness and can improve your mood.

It is believed that moderate consumption of coffee helps reduce the likelihood of cancer of the liver and pancreas, as well as other organs of the gastrointestinal tract. In addition, in men, coffee can improve reproductive function by increasing sperm activity. Coffee also helps those who want to lose weight.

Losing weight with coffee

Many of us are familiar with the fact that coffee helps to break up with extra pounds. Of course, this rule does not apply to cases where half the cake is washed down with coffee. But even for lovers of culinary masterpieces, coffee will help, as it helps speed up metabolism and burn off some extra calories very quickly. In addition, coffee is an antioxidant and helps renew and rejuvenate the body's cells.

Those who want to lose weight with coffee should avoid sweet drinks, as well as coffee with cream and desserts. If black coffee seems unpalatable, you can add a little sweetener and skim milk powder. The taste will not suffer much from this, but the calorie content of the drink will be greatly reduced.

Coffee is a good diuretic, therefore, it helps remove excess fluid from the body, which contributes to weight loss. It also perfectly suppresses the feeling of hunger, so a cup of black coffee can easily replace an afternoon snack or an extra snack. For those who play sports or exercise, a cup of coffee an hour before training will help relieve muscle pain and give energy.

Contraindications for drinking coffee

There are few contraindications to drinking coffee, and they mainly concern those who simply abuse this delicious invigorating drink. If you drink one or two cups of coffee in the morning, there will be no significant harm to the body. But we must remember that coffee abuse leads to too many negative side effects.

Those who have serious cardiovascular diseases should completely stop drinking coffee. Also, people who have nervous disorders, as caffeine can make them worse. Giving up coffee will not harm older people, but children are not allowed to drink coffee at all.

Traditionally, pregnant women are not advised to drink coffee. To date, there is no single authoritative opinion regarding coffee consumption during this period, but this is precisely the situation when it is better to play it safe. Moreover, an increase in pressure, even a slight one, can become a dangerous sign.

Which coffee to choose - ground or instant (Video: “Is there instant coffee?”)

Every coffee lover can name more than one argument in favor of the fact that his favorite variety is the most best coffee in the world. But this, of course, is a matter of taste. But the debate about which coffee is better to choose, ground or instant, still has no end in sight.

Certainly, content useful substances in natural coffee is much higher. For example, natural ground coffee has a very high content of fatty acids, which prevent the formation of cancer cells. In instant coffee their amount is much lower. Also, ground coffee contains much more vitamins, as well as potassium and magnesium, which makes it even beneficial for the cardiovascular system. Of course we are talking about healthy person and moderate consumption of this drink.

What can we say about the content of harmful substances in natural and instant coffee? Instant coffee is the leader here, since its production requires complex chemical processes, as a result of which some harmful substances enter the composition. finished product. And to make natural coffee, you just need to grind the beans, their composition does not change.

The caffeine content is approximately the same in natural coffee and instant coffee. therefore, this criterion does not allow identifying a leader. But if you want to get decaffeinated coffee, you will have to use instant coffee. Also instant coffee contains fewer calories. If you want to lose weight by drinking coffee, it is better to give preference to instant coffee.