1, maintenance of the skin

Coffee contains a wealth of caffeine, the substance of the skin metabolism function has a very good role in promoting the blood is not smooth and lead to the dark circles under the eyes, there is some relief effect. The caffeine is also an antioxidant, so it's a good idea to use it as an antioxidant. Caffeine also has a certain antioxidant effect, so usually often drink coffee can slow down the aging.

2, promote intestinal peristalsis

Coffee is rich in dietary fiber, this material can accelerate gastrointestinal peristalsis, if there is a slight constipation, you can drink some coffee to promote defecation.

3, anti-radiation

Often work in front of the computer, computer radiation will cause some damage to the skin, if this time to drink some coffee, you can effectively reduce the computer radiation damage to the body.

4, prevent gallstones

A study found that drinking two or three cups of coffee a day to get the chances of gallstones, than those who do not drink coffee to about 40% lower, this is because the caffeine can stimulate the gallbladder contraction, reduce the cholesterol in the bile, so regular coffee drinkers can effectively prevent gallstones.

5, refreshing the brain

When you feel particularly tired of work, not full of energy, a cup of coffee can be refreshing, so some of the people who stay up late at night often drink coffee.

The bad thing about drinking coffee

1, increase the risk of heart attack

If you drink more than five cups of coffee a day, the risk of myocardial infarction will increase by 70%, and the more you drink coffee, the greater the risk of heart attack.

2, cause osteoporosis

If you often drink more than two cups of coffee a day, it will lead to osteoporosis, because the caffeine can be combined with the free calcium in the body, leading to calcium discharged from the body.

3, leading to fetal deformities

Pregnant women can not drink coffee, because experiments have found that pregnant women who drink coffee will greatly increase the rate of fetal malformation. It can be seen that although there are a lot of benefits of drinking coffee, but it must be in moderation, too much, so as not to affect the health of the body.

Drinking coffee can bring many benefits to the body

Coffee can be said to be a traditional drink, for many friends, but also like the taste of coffee, in fact, in addition to enhance the taste, coffee, but also contains a lot of good substances, in addition to the familiar with the role of refreshing caffeine, coffee also contains a lot of good substances, in addition to the effect of the caffeine, the coffee also contains a lot of good substances, in addition to the effect of the caffeine, the coffee also contains a lot of good substances. In addition to caffeine, coffee also contains a certain amount of polyphenols, these substances have a strong antioxidant effect

Can play the role of antioxidant scavenging free radicals, while coffee also contains a certain amount of fat, protein, melanin, vitamins and other nutrients. What are the benefits of drinking coffee? Today, we will mainly introduce you to 4 aspects.

01 refreshing

Many friends love to drink coffee, mainly because of the coffee's 'energy-boosting effect, the caffeine in coffee can enhance the body's energy, enhance the mood, so that people can better maintain concentration and excitement, especially when working in the morning, drink a cup of coffee, for the enhancement of mental state, to improve the fatigue, all will have a good help role. All will have a good help role.

But it is important to note that although the body does not store caffeine, but after intake of caffeine can be formed in 6 hours on the human body, and to pay attention to the amount of intake, drink too much, but may bring more negative effects.

02 Enhancing athletic performance

If we are going to do endurance sports, such as long-distance running, cycling, or swimming, caffeine and other nutrients in coffee can help to enhance the body's endurance, and reduce muscle fatigue and post-exercise pain, and the caffeine provided in 2 cups of coffee (200mg to 400mg) is usually enough to help. 400mg), is enough to help improve the body's ability to exercise, and more caffeine intake will not help more.

Some studies have shown that caffeine can help the body recover faster after strenuous exercise by boosting the body's production and replenishment of glycogen. It seems to work even better if you combine it with a moderate amount of carbohydrates.

03 Helps Prevent Disease

There have been a number of studies analyzing the relationship between coffee and disease prevention. Some studies have shown that coffee is beneficial in preventing gallstones and inflammation in certain liver and gallbladder diseases, and others have shown that long-term coffee consumption can help reduce the risk of liver disease and liver cancer.

There are also studies showing that regular coffee consumption can help prevent certain neurological conditions, such as Parkinson's, Alzheimer's, multiple sclerosis, and epilepsy, but these studies lack clinical evidence and need more data to be confirmed.

04 Improves gut flora health

Many people have experienced that drinking coffee on a regular basis can help improve constipation. An animal study has shown that coffee has the ability to stimulate intestinal motility and improve intestinal flora.

In a small study involving human subjects, researchers examined 97 samples of intestinal flora from 34 subjects and found that regular coffee drinkers had much healthier intestinal flora than those who did not drink coffee or drank less coffee.

Potential Negative Effects of Drinking Coffee

While there are many benefits of drinking coffee, the effects of coffee on the human body are by no means all positive, and in some cases, especially when consumed in excess, coffee can have a number of negative effects on the body.

First of all, drinking a lot of coffee may affect your sleep. As we have already said, caffeine is excreted very quickly after entering the body, but its effect on the human body can last up to 6 hours. Some people who are sensitive to caffeine may be more affected, and some studies have shown that this effect will be even greater for the elderly, especially those who have sleep disorders.

Therefore, caffeine-containing drinks should be avoided at night and even in the afternoon. In addition to coffee, tea, milk tea, and so on, can contain a lot of caffeine, and more attention should be paid.

It may affect the heart rate. Caffeine is a stimulant, in addition to its ability to stimulate the brain, it will also enhance the heart rate, for most people, this heart rate increase will not have a great impact, but if the intake of caffeine, or caffeine-sensitive people, it may cause the heart rate to rise, panic, palpitations and other uncomfortable symptoms.

For those who have this problem, especially those who are at risk of having a faster heart rate themselves, they should be careful to reduce their coffee intake and control their risk.

Experiencing withdrawal headaches. If a daily coffee drinker suddenly stops drinking coffee, it can cause a rebound "headache" when the body suddenly reduces its caffeine intake. For those who want to quit or drink less coffee, try tapering off rather than quitting all at once.

Raising blood pressure. Drinking coffee can increase blood pressure for a short period of time, and in some special cases, it can also lead to a long-term increase in blood pressure. The physiological mechanism by which coffee causes an increase in blood pressure is still not completely clear, and one possible reason is that caffeine blocks the secretion of a hormone that relaxes arterial blood vessels to lower the pressure, and at the same time, drinking coffee will also lead to the body's secretion of more adrenaline, which will also further increase blood pressure.

Therefore, people with high blood pressure or heart problems who are also sensitive to the pressure-raising effects of coffee should be aware of the potential negative effects of drinking coffee.

Affects menopause. Most women experience menopause between the ages of 45 and 55, when ovarian function gradually declines and estrogen levels drop, leading to a variety of physical symptoms and health risks, including hot flashes and night sweats.

Therefore, menopausal women who love coffee but also suffer from severe hot flashes can try to reduce their coffee intake to minimize the possible effects of caffeine.

In addition, drinking large amounts of coffee can affect the body's ability to absorb minerals. A study found that women who drink more than two cups of coffee a day have a much higher risk of osteoporosis than women who don't drink coffee, and menopausal women are the key to accelerated bone loss and osteoporosis

Therefore, it's important to drink coffee in moderation, and not to drink a lot of it over a long period of time.