There is nothing surprising in the fact that sixty-four percent of adults drink at least a cup of coffee a day, and eleven percent drink more than four cups! If coffee is so popular, perhaps everyone should know how this drink affects the body. It is likely that you will be surprised at some of the consequences.
Coffee has a positive effect on potency
Men who consume between 85 and 170 milligrams of caffeine per day, which is the equivalent of two to three cups of a refreshing drink, reduce the chance of erectile dysfunction by 42 percent. The researchers found that this was due to the relaxing effect of caffeine on the arteries, which improves blood flow to the penis. 
Coffee makes life clearer
Caffeine affects the production of adrenaline. As a result, twenty minutes after drinking the drink, your pupils naturally dilate. You will be able to enjoy clearer vision for a while! 
Longer lifespan with coffee
Recent studies suggest that drinking coffee makes you live longer. The researchers controlled data on more than 250,000 people, tracking their diet and coffee intake. After analyzing the incidence of disease and age at death, they found that among those who did not smoke, people who regularly consumed the invigorating drink died 15 percent less often from various diseases than those who did not use it. 
Coffee can aggravate heartburn
With a cup of your favorite invigorating drink, you increase the level of acidity in the body. The acid in the stomach can be helpful as it is needed for digestion. However, if you drink too much and on an empty stomach, you may experience mucosal irritation and heartburn. 
Excess consumption will lead to fat accumulation
According to scientists, caffeine can increase cortisol levels. Chronically elevated levels lead to excess fat accumulation, which can cause obesity. It also increases bad cholesterol levels. However, only if you do not use filters when brewing - people with high cholesterol french press should be avoided. 
Coffee can reduce anxiety
Caffeine is often associated with anxiety, so the idea that it can help you relax may seem counterintuitive. However, this drink does stimulate the production of dopamine, which is the hormone of pleasure. 
A small amount of coffee will help slow down the heart rate.
If you drink a little fragrant drink, your blood pressure rise a little. The heart will respond to this by lowering the pressure slightly. If you continue to drink, your heart rate will increase. 
Drinking coffee can aggravate stomach ulcers
An ulcer can be extremely painful. Drinking coffee can negatively affect the mucous membrane gastrointestinal tract that will cause ulcers and other forms of disorders. If you already have an ulcer, you should give up the invigorating drink until your body has fully recovered. 
Coffee can cause hallucinations
Studies have shown that people who consumed about 315 milligrams of caffeine, which is equal to three cups of the drink, were three times more likely to have hallucinations than those who drank less. Participants noted voices, visual hallucinations, and ghosts among their experiences. 
Coffee quickly stimulates you
Within twenty minutes after drinking the drink, you will notice a stimulating effect. As a result, you will feel that your attention has increased, it will be easier for you to concentrate on work tasks. 
Coffee is good for the heart
The researchers found that drinking an invigorating drink reduced the risk of dying from heart disease by ten percent. The main thing is not to add cream. They contain trans fats, which seriously harm your body and increase cholesterol levels. 
Coffee stimulates digestion
According to studies, the drink acts on the intestines, stimulating bowel movements through increased motor activity. 
Coffee can smooth the skin
use the sleeping ground coffee as a scrub to reduce the appearance of cellulite. Exfoliating action combined with massage will help boost blood circulation and tighten the skin. 
It's like an energy drink.
Coffee helps boost your energy levels, but after three hours you feel low if you don't drink more. This behavior can be problematic because your favorite drink in the afternoon can interfere with the production of melatonin, the sleep hormone. 
Coffee can help relieve pain
Caffeine speeds up pain relief. Combine coffee with painkillers to make them 40% more effective. It's no wonder that caffeine is used so frequently in headache medications. 
Coffee is dangerous for embryos
Studies published in 2008 showed that women who drink a lot of coffee more than double their risk of miscarriage. 
You will feel more positive
Researchers have found that people who drink at least a cup of flavored drink a day have a lower risk of suicide. This is not the first time scientists have noticed such an effect. However, it is currently unknown why the drink causes such an effect. There is a theory that caffeine is the cause - it reduces the loss of dopamine, stabilizing mood. 
It's good for your brain
Great news! People who drink coffee are less likely to suffer from neurological diseases like Parkinson's disease or senile dementia. The reasons for this are not obvious at the moment, but there is a theory that the caffeine is the cause. 
Coffee helps you burn calories faster
Coffee is lovely drink for losing weight, because it boosts metabolism. The average metabolic rate of people who drink caffeinated coffee is sixteen percent higher than the rest. Invigorating drink - great choice before training. Researchers have found that it helps to train longer. But remember: do not abuse. Excessive amounts of such a drink will negatively affect your metabolism. 
You may come into contact with bacteria
Microbiologists have tested coffee machines and found that dozens of different bacteria can be found there, including staph and E. coli. Even if you don't use the coffee machine, the risk remains: mugs can also harbor harmful bacteria. 
The smell of coffee affects the brain
According to scientific data, even the smell of a drink can affect brain function. Scientists conducted experiments on rats and found that the fragrance acted as a sedative and antioxidant. 
You may become addicted
Regular use of caffeine is addictive. If you suddenly stop using it, you may experience extremely unpleasant symptoms. 
A cup of coffee can prevent headaches
There are types of headaches that can be prevented with caffeine - for example, if we are talking about an elderly person who has a headache before bedtime. 
Coffee can smooth your feet
Antioxidant-Rich Coffee & Moisture-Protecting Blend coconut oil is perfect recipe to combat rough skin on the feet. 
Coffee helps protect the liver
Recent studies suggest that regular use of this drink helps reduce the risk of liver cancer in people who often abuse alcohol.
When we say the word "coffee", our imagination draws a certain cup filled with a drink. Meanwhile, the cups we imagine are completely different for everyone. Which type of coffee is better to drink in the morning, which - in the afternoon, and which - in the evening? Gleb Neveikin, director of the barista department, chief roaster of the Coffeemania restaurant chain, 2008 world champion in Turkish coffee preparation (Cezve/Ibrik) told Roskachestvo about this.
…for breakfast
I do not advise you to drink strong, undiluted coffee on an empty stomach - it's hard for the morning, you may feel discomfort. Coffee is very active in many digestive processes. The best "morning" drink, in my opinion, is cappuccino. It is he who is most often drunk in the morning by Russian "coffee lovers". And don't forget the snack! A cappuccino and croissant is a great start to the day. And although at its core it is coffee with milk, this drink is unique. The pleasant feeling that remains after a cappuccino will not tell you any more drink. The lower lip touches the warm edge of the cup, and the upper lip touches the gentle coffee and milk foam... And people are fascinated by cappuccino.
…for lunch
After a hearty meal, espresso is very good. After quick lunch(e.g. sandwich, rolls) filter coffee is good, or pour over coffee. Americano coffee is quite appropriate. By the way, Americano can be drunk with meals. Light snacks (sandwiches, sandwiches) go well with it.
…for dinner
Espresso is good after dinner. Espresso is generally recognized as one of the best digestifs (drinks that are served at the end of a meal and contribute to its better absorption. - Note ed.). Overate - drank espresso - sleep well! At home, again, you can drink a large cup of coffee: filter coffee, etc.
In Russia, after dinner, it is more common to drink tea, since Russia is still considered a “tea” country. But residents of "coffee" countries (for example, Italians) drink coffee from early morning until late at night. They drink in the morning to wake up, and late at night - after a noisy and long dinner - to sleep better. But coffee is even more popular in the Scandinavian countries. And people here look good, they have a normal complexion and so on ... This is about the dangers or benefits of coffee.
…for dessert
Irish, corretto, fredo is coffee drinks with some alcohol content, which you can drink for dessert when you want to treat yourself. Fredo's time is still summer. It perfectly quenches thirst.
I want to note that there is a coffee that is better not to drink at all: neither in the morning, nor at lunchtime, nor in the evening, - adds Gleb Neveykin. - It's stale coffee. Roasted grains "live" only a month and a half (the error depends on the roasting style and storage method). After all, coffee is rich in nutrients and essential oils, but they are all vulnerable and volatile - it is they who begin to deteriorate, so if coffee has been gathering dust in the corner for half a year, it is unlikely that there will be any benefit in it.
I will share how to make a big cup easily delicious coffee. It's not difficult at all! Buy freshly roasted coarse beans from a coffee shop or coffee shop near you (no more for a week; keep in mind that one cup takes about 10–20 g). Take a large cup, put a full tablespoon of this freshly ground coffee in it, pour hot water. Even a spoon is not needed here - a trickle of water will mix the coffee. A crust forms on top of the drink. Wait 3-4 minutes, without covering the cup with anything, and break this crust with a spoon. That's it - you have a cup of chic coffee in front of you.
Doctor's word!
Renowned doctor, TV and radio presenter Sergey Agapkin answered Roskachestvo on popular questions about the effect of coffee on the body.
When should you not drink coffee?
- Coffee should not be drunk approximately 4 hours before bedtime, as that is how long the caffeine effect lasts and can cause sleep problems. But there are categories of people who are not recommended to drink coffee at all,
These are people from peptic ulcer stomach, with increased acidity of gastric juice and with irritable bowel syndrome. In other cases, there are no restrictions.
How many cups of coffee a day can a person drink?
Recent studies show that 2-3 cups of coffee a day are safe for human health. But for people with different types of nervous system (NS), caffeine affects differently. For people with a normal type of NS - tonic, for people with a weak NS - sedative: invigorates for a very a short time, and then “slows down” the activity. In such people, paradoxical reactions are observed: from a large number coffee they begin to fall asleep, and a small cup has a tonic effect.
Will coffee give a tonic effect after eating?
The effect will be only if the person did not eat too tightly. If he ate heavily, coffee will improve his secretion of gastric juice, gastric motility, but it will not particularly affect the state of the nervous system. For coffee to have a tonic effect, you need to wait at least two hours.
What to do if caffeine no longer invigorates?
The effect of caffeine becomes weaker and weaker over time - caffeine is addictive. At some point, coffee may even cease to give a tonic effect. Then it is recommended not to drink caffeinated drinks for two weeks, sleep more, take a contrast shower. If people limit coffee consumption for a couple of weeks, then a small cup of this drink will have a big effect on them. Even marathon runners stop drinking coffee before the competition, and on the day of the competition they drink only one cup of espresso. And this cup is very tonic.
This is because caffeine does not allow the nervous system to rest. Sooner or later, she starts to work worse, comes to a half-exhausted state. And the more the NS is depleted, the longer it will take to recover: a person with a depleted NS needs to add another hour or two to the usual sleep time.
By the way, a myth is circulating on the Internet that there is a relationship between the level of cortisol in the human body (a hormone that is produced when a person is stressed, when he is tense, when he has not eaten for about a day) and the effect of caffeine. Allegedly, the degree of effectiveness of coffee may depend on the level of cortisol. So, this is nothing more than a myth. Cortisol and caffeine have different areas of action.
Detailed results of the study by Roskachestvo of coffee machines are available.
You don't often find a bad habit that's good for your health. It's not easy to find people advocating unlimited drinking, smoking, or pornography, but coffee is unique in this regard. Caffeine invigorates well, which has a beneficial effect on health, and the more coffee you drink (up to a certain limit), the more beneficial it is for the body (if there are no contraindications). Try to say the same about cigars, cigarettes or alcohol, and this statement will hardly look like the truth.
Large-scale studies, one after another, show that coffee lovers are not dying out in batches. And they are put relatively fewer diagnoses such as diabetes, cancer, obesity, heart disease, paralysis, depression, Alzheimer's and Parkinson's. A recently completed 16-year study confirmed that people who drink more than three cups of coffee a day have a risk of death from various causes. decreases by 12% in men and 7% in women.
The properties of coffee, presumably, are explained by the presence in it more than 1000 biologically active components, but most interesting component among them is most likely polyphenol chlorogenic acid, or HGC.
Many herbal ingredients have anti-inflammatory and antioxidant properties, but chlorogenic acid is the most effective in this regard. The problem is that the content of CHC in coffee varies significantly depending on the brand of coffee, the method of roasting and subsequent grinding of beans. Which coffee is healthier? We have tried to answer this question below.
What should be the right coffee
3 to 5 cups of coffee high content HGC can be useful for the body in the absence of contraindications and if you do not drink it at night. Below, MD Bob Arnot explains which coffee is healthier for the body and how to decide on the variety:
- Coffee beans with the highest CGC content grow at high altitudes and near the equator. Coffee varieties from Kenya, Ethiopia or Colombia are preferred.
- Homemade coffee usually contains 50% higher than HGC than those purchased at grocery stores.
- Caffeinated varieties typically contain 25% more HGC than decaffeinated ones.
- Flavored blends are usually do not contain large quantities HGC because they are made from low-quality, low-CHC coffee beans (artificial flavor suppresses cravings for coffee with a high taste quality and high HGC content).
- Light to medium roast coffee preserves the CHC, while high roasting destroys it (which creates unwanted by-products, similar to the carcinogen acrylamide found in french fries and potato chips).
- If possible, make coffee from freshly ground grains. Pre-ground coffee loses its flavor and is low in CGC.
- Coffee very fine grinding the most beneficial for health, but it is also the most bitter in taste. Quite an acceptable amount of CHC is also found in medium-ground coffee.
Daily cup of coffee became a ritual Everyday life for many. Except good taste, due to the content of caffeine, this drink fills us with cheerfulness and energy. Studies have shown that this drink improves memory, is important for emotional well-being, helps prevent depression, and also reduces the risk of cancer and other diseases. Certainly, overuse coffee leads to negative results. Main in everything, it is to know the measure and find a reasonable compromise in its use.
I propose to get acquainted with five tips on how and when to drink coffee in order to get the maximum benefit.
1) 200mg caffeine to improve memory performance
200 mg is enough for your body to extract the most useful for good memory function. This dose is equivalent to two cups of home-brewed coffee (less than a large serving at Starbucks).
Research conducted by scientists in 2014 showed that people who consumed 200 mg of caffeine, who were shown various pictures for memory as a memory experiment, remembered them much better the next day than those who consumed only 100 mg or more than 200 mg , having received the opposite result, in connection with the search for caffeine.
2) Take a break with your morning cup of coffee
If your daily routine is so tight that you don’t have time for a measured breakfast in the morning, and you immediately grab coffee, know that you will get little benefit as such from an early morning drink.
Some people are so used to a morning cup of coffee that without it they simply cannot wake up and cheer up, considering themselves coffee addicts.
Scientific research showed that during the day there are some periods when it is not advisable to drink coffee! First of all, this applies to the morning hours, when the level of cortisol in the body reaches its highest point. Caffeine directly affects the production of cortisol, and by drinking a cup of coffee in the early morning, our body, instead of producing cortisol, begins to rely on caffeine.
Thus, getting used to drinking coffee in the morning at the peak of cortisol release (8-9 am), the body gradually ceases to produce it on its own. Caffeine replaces invigorating effect cortisol.
Most the right time for coffee is from 10 am to 12 pm and from 2 pm to 5 pm when you get the most benefit from caffeine. People who feel overwhelmed and tired in the morning without coffee have a disturbed natural biological cycle of cheerfulness. So maybe you should reconsider the traditional morning rituals of coffee?
3) It is better to drink coffee in small doses than immediately in a large portion
One cup of freshly brewed coffee lasts for several hours.
4) It is better to refuse a late cup of coffee,coffee "at night" - the cause of insomnia
Good sound sleep is the key to good health. The resulting caffeine with a cup of coffee for the last dose in the evening will act in the body for another 6 hours. Therefore, if you have problems sleeping after drinking coffee at night, then it is better to control the last coffee intake or completely abandon nighttime consumption. Caffeine speeds up the heartbeat and increases arousal.
5) Caffeine directly affects our body, however, the aromatic smell of coffee itself gives its result.
Studies have shown that the smell of coffee affects the human brain, helping to get out of their sleepy state. Hearing the smell of coffee, we tune ourselves in the right way. Often just the aroma of coffee is enough to give you a boost of energy and lift your spirits.
Coffee has long been one of the most loved drinks around the world. Today there is great amount variety of coffee blends original taste and aroma, many original recipes making coffee, there is even coffee without caffeine or with special therapeutic additives. But we will talk about useful and harmful properties most regular coffee- natural or soluble, and whether it should be consumed, and in what quantities.
There have been a lot of legends and gossip around coffee for a long time. He is sometimes considered a panacea for all ills, then they declare harmful product and recommend limiting use. A practical experience of using this drink, as well as medical studies, prove that everything here depends on the amount of coffee, the method of its preparation and the health of the patient.
Composition of coffee
The impact of coffee on human health is explained by its chemical composition. In the coffee bean you can find a variety of substances, this is the well-known caffeine, and protein, as well as trigonelline, chlorogenic acid, various mineral salts. Approximately 25% of the raw mass falls on the listed substances. coffee bean, 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 ingredient in coffee. It is caffeine that regulates and enhances the processes of excitation in the brain. If you choose an adequate dose of caffeine, it will help increase mental activity, performance, as well as relieve fatigue and drowsiness. But the 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 of the patient.
Another important component of coffee is trigonelin. This is the substance that is involved in the creation unique aroma coffee, in addition, when roasted, it turns into nicotinic acid, a lack of bark provokes pellagra disease.
An important component of coffee is chlorogenic acid. found only in raw coffee beans. When roasted, it breaks down, and other organic substances are obtained, which give coffee a characteristic astringent flavor. The rest of the acids in coffee, such as malic, citric, acetic and coffee, help to normalize the activity of the gastrointestinal tract and improve digestion.
The bitterness in coffee is due to the presence of tannins in it.. Tannins are complex organic compounds a wide range action, but under the action of dairy products they break down, so coffee with milk loses its bitterness. In addition, coffee contains up to 20% daily allowance vitamin P, which tends to strengthen blood vessels, and useful minerals such as potassium, calcium, phosphorus and iron.
Negative effects of coffee on the body
That coffee is not the best healthy drink, known to all. Doctors strongly recommend not to exceed the recommended doses of its use. More than one or two cups of coffee a day can lead to depression, drowsiness, irritability and lethargy. This drink is addictive, so often when such symptoms occur, withdrawal does not bring relief. A vicious circle is formed, from which it is not easy to get out.
There are some of the most dangerous routes of coffee exposure and you need to be aware of them if you want to stay healthy. Most often hit nervous system . Caffeine constantly "spurs" it and thereby leads to exhaustion.
When drinking coffee, remember that This drink has a pronounced diuretic effect. This negatively affects not only the work of the kidneys and ureter, but also the whole organism, which begins to experience a lack of moisture. Therefore, in parallel with drinking coffee, it is important to drink other liquids.
A lot of talk turns around the negative impact of coffee on the heart. But in fact, this influence is too small to be taken seriously. Coffee raises blood pressure, but only for a very short time and can only harm a person who already has serious heart problems.
Much more serious Negative influence coffee on the stomach After drinking this drink, the acidity in the stomach rises, 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, just eat before you drink it.
Useful properties of coffee
Given that correct use coffee in moderation, it will not only do no harm, but will also be very useful. If you drink no more than two cups of this drink a day, it will help to cheer up without harm to the body. Coffee helps to alleviate the manifestations of allergies and asthma, and also activates the gastrointestinal tract. Often coffee is recommended for poisoning with certain poisons and narcotic substances. It will also be useful in case of insufficient function of cardio-vascular system.
Very interesting research was carried out in India. During their study, it was found that coffee, to some extent, helps protect against harmful effects radioactive radiation. Also, this drink contains a significant amount of serotonin, which is a hormone of happiness and can elevate mood.
There is an opinion that moderate coffee consumption helps to 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. Helps coffee and those who want to lose weight.
Weight loss with coffee
Many of us are familiar with the fact that coffee helps to part with extra pounds. Of course, this rule does not apply to cases where coffee is washed down with half a cake. But even lovers culinary masterpieces coffee will help, as it helps speed up the metabolism and part with some extra calories very fast. In addition, coffee is an antioxidant and helps to renew and rejuvenate body cells.
Those who want to lose weight with coffee should give up sugary drinks, as well as coffee with cream and desserts. If black coffee seems tasteless, then you can add a little sweetener and skimmed milk powder. The taste will not suffer much from this, but the calorie content of the drink will greatly decrease.
The coffee is good diuretic,
therefore, it helps to 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 a workout will help relieve muscle pain and give energy.
Contraindications to 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, then there will be no significant harm to the body from this. But we must remember that the abuse of coffee leads to too many negative side effects.
It is necessary to completely abandon the use of coffee for those who have serious diseases of the cardiovascular system. Also, do not drink coffee for people who have nervous disorders, as caffeine can aggravate them. Refusal of coffee will not hurt the elderly, and 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 about coffee consumption during this period, but this is exactly 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 coffee in instant?")
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, until the end is in sight.
Certainly, content useful substances V natural coffee much higher. For example, natural ground coffee is very high in fatty acids, which prevent the formation of cancer cells. In instant coffee, their number is much lower. Also, ground coffee contains many 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 use this drink.
And what can be said about the content of harmful substances in natural and instant coffee? Instant coffee is leading here, as its production requires complex chemical processes, as a result of which some harmful substances are included in finished product. And to make natural coffee, you just need to grind the grains, their composition does not change.
The caffeine content is about the same in natural coffee and in instant, therefore, this criterion does not allow to identify the leader. But if you want to get decaffeinated coffee, you will have to use uniquely soluble. Also instant coffee contains fewer calories. If you want to lose weight by drinking coffee, then it is better to give preference to instant coffee.
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