For some people in life, as long as they don't drink coffee for a day, it is like "losing half of their brain", and even the most basic stay awake is very difficult! Therefore, "coffee does not leave the hand" has become the norm for many people's lives, and it has also become a kind of spiritual dependence.

With the deepening of coffee research, people's concept of coffee is gradually changing, some people say that although coffee is good, but can not be drunk often, drinking too much may have a certain impact on the body; Some people also say that coffee is a healthy drink, and drinking it often is good for health; So, is drinking coffee good or bad for the human body?

What are the benefits of drinking coffee in moderation?

1. Helps with bowel movements

Drinking a cup of coffee every morning helps to discharge feces, can promote its own gastrointestinal peristalsis, make the intestine more lubricated, and play a laxative role.

The acidic oils and caffeine in coffee can promote the contraction of the digestive wall, and can also achieve the effect of shrinking the stomach and intestines, helping the body to excrete feces.

2. Relieves fatigue

Coffee is rich in caffeine, insistence on drinking can stimulate the human sympathetic nerve, has the effect of relieving fatigue; Especially for some mental workers, in the continuous working state, it will cause fatigue, mental burnout, lack of concentration and other situations.

At this time, if you drink some coffee and supplement caffeine, you can stimulate the sympathetic nerves of the human body, thereby helping to relieve mental fatigue and boost the spirit.

3. Reduce the risk of certain cancers

Previously, some people had speculated that coffee contained carcinogens, but so far no conclusive evidence has been found, and all studies actually point to the opposite view - coffee helps prevent cancer, its polyphenol content is high, and it can also inhibit the growth of cancer cells.

In addition, coffee can stimulate bile production and lower estrogen index, which may reduce the risk of cancer.

Side effects of excessive coffee consumption

1. Raise blood pressure

If you drink more coffee in daily life, you can promote blood circulation, but if the blood pressure in the body is too high, drinking coffee for a long time will cause blood pressure to rise again, and even lead to blood pressure loss of control!

Therefore, it is recommended that patients with high blood pressure usually drink less coffee to avoid harm to the body.

2. Increase the chance of stomach problems

Drinking coffee often may increase the chance of stomach problems, coffee contains caffeine will stimulate gastric acid secretion, if there is discomfort in the gastric mucosa, drinking coffee often may cause irritation to the gastric mucosa, increase the chance of gastritis, gastric ulcer and other stomach diseases!

3. Palpitations

The main components of coffee include caffeine, etc., if you usually drink a lot of coffee, it is easy to stimulate the central nervous system, resulting in palpitations and other uncomfortable symptoms.

4. Aggravate nervous tension

When people are overly nervous, if they drink coffee, they may become more sensitive and nervous due to overexcitability; This is mainly the effect of caffeine, which can effectively improve people's sensitivity and alertness.

5. Dependencies appear

Coffee contains a small amount of caffeine, and if you drink a lot of coffee regularly, you may also have a dependent effect!

Many people drink coffee when they are tired and tired, and they will feel that their mental state has become good, but drinking coffee for a long time may form a dependence on drinking coffee regularly, and even feel uncomfortable without caffeine or taking.

Drink coffee often, is it good? Doctor: These 6 types of people are best not touched, I hope you can listen to the advice

1. Patients with osteoporosis

Relevant studies have found that drinking coffee will easily affect the body, and the absorption and utilization of calcium atoms will also easily promote calcium loss, which will easily increase the risk of osteoporosis and is not conducive to bone health. Therefore, people with osteoporosis are less suitable for coffee.

2. People who are taking medication

Do not drink coffee while taking the drug, although coffee tastes sweet, but contains a lot of fatty acids, fatty acids will increase the blood concentration of the human body, and significantly increase the risk of thrombosis!

In the treatment process of the disease, blood circulation is more likely to lead to disease, coffee also has the effect of an antidote, and the effect of taking the drug may affect the efficacy of the drug.

3. Patients with epilepsy

Caffeine affects the body's metabolism, which stimulates the central nervous system and creates a sense of energy, however, for some people with epilepsy, caffeine is one of the triggers that trigger seizures!

Whether people are healthy or sick, high caffeine intake can lead to symptoms of irritability, irritability, anxiety, and insomnia, and while good night's sleep is extremely important for controlling epilepsy, caffeine can indirectly affect the health of patients.

4. People with sleep disorders

The caffeine theophylline in coffee can interfere with people's normal sleep patterns, because different people have different sensitivity to caffeine due to the influence of genes.

If it is difficult to metabolize coffee, then drinking a little coffee may be exciting, for people who have insomnia or sleep disorders for a long time, try to stay away from coffee, otherwise it will affect the quality of sleep.

5. People who are allergic to caffeine

Some people often experience nausea, vomiting, and dizziness after drinking coffee, which may be caused by people's caffeine allergies; At this time, do not drink again, otherwise it will aggravate the allergic phenomenon and seriously damage the body.

6. Seniors

People need calcium supplementation throughout their lives, the elderly have more serious calcium deficiency, coupled with less food, the calcium absorbed every day is not much, and the metabolic needs are far from the difference, the diuretic effect of caffeine can reduce the absorbed calcium by half!

Therefore, if the elderly often drink coffee drinks, it will aggravate the lack of calcium in the body and cause osteoporosis.

Extension: What are the taboo pairings of coffee?

1. Alcoholic beverages

Alcohol has a calming effect and slows down people's reaction speed, while the caffeine contained in coffee has a strong effect of stimulating the central nervous system and promoting blood circulation.

Drinking the two together can easily lead to drunkenness and nerve overexcitation, and various discomforts such as nausea, vomiting, rapid heartbeat, palpitations, palpitations, insomnia, dreaminess, neurasthenia and so on.

Drinking caffeine and alcohol mixed will be more alert and energetic than drinking only alcohol, and it will be difficult for the body to detect drunkenness, or increase the amount of alcohol drunk and increase the risk of excessive alcohol.

2. Foods with more iron

Coffee contains polyphenols that inhibit the body's absorption of iron, and drinking coffee for a long time will aggravate the symptoms of anemia.

If coffee is eaten with foods with more iron, such as black fungus and kelp, it will reduce the body's absorption of iron in these foods, thus causing a conflict in nutrition; Therefore, drinking coffee is not suitable for eating with foods with more iron.

3. Cigarettes

When smoking, it is not recommended to drink coffee, because drinking coffee while smoking, the aortic motor vessels will occur temporary hardness, and they can react with each other to produce long-term damage to the body's blood supply system.

Therefore, do not drink coffee while smoking to reduce the harm of tobacco and caffeine stacking on the body.