1. Coffee contains certain nutrients. The nicotinic acid of coffee contains vitamin B. Roasted coffee beans contain more. And there are free fatty acids, caffeine, tannins and so on.
2. Coffee is good for the skin. Coffee can promote metabolic function, vitalize the digestive organs, and has a great effect on constipation. Using coffee powder to take a bath is a kind of warm therapy, which has the effect of weight loss. A cup of coffee after meals also helps digestion.
3. Coffee has the function of alcohol. Drinking coffee after drinking will make the acetaldehyde transformed by alcohol oxidize quickly and decompose into water and carbon dioxide and be discharged from the body.
4. Coffee can eliminate fatigue. To eliminate fatigue, it is necessary to supplement nutrition, rest and sleep, and promote metabolic function, and coffee has these functions.
5. Three cups of coffee a day can prevent gallstones. For caffeine-containing coffee, it can stimulate the gallbladder to contract and reduce the cholesterol in the bile, which is easy to form gallstones. The latest Harvard researchers found that men who drank two to three cups of coffee a day had less than 40% chance of getting gallstones.
6. Drinking coffee can prevent radiation damage. Radiation damage, especially radiation from electrical appliances has become a more prominent type of pollution. India Ba Ba atomic researchers in the rat experiment to get this conclusion, and said can be applied to humans.
7. Coffee health medical function. Coffee has antioxidant and cardioprotective, strong muscles and bones, lumbar and knee, appetizing and promote food, fat elimination and elimination of stagnation, sharp and dehumidification, blood circulation, resting the wind and spasm and other effects.
8. The influence of coffee on mood. Experiments have shown that the average person absorbs 300 milligrams of caffeine a day (about 3 cups of brewed coffee), a person's alertness and mood will bring a good effect.
The following six kinds of people should not drink coffee:
Suffering from hypertension, coronary heart disease, atherosclerosis and other diseases - long-term or large amounts of coffee consumption, can cause cardiovascular disease.
Elderly women - coffee will reduce calcium, cause osteoporosis. After menopause, women need to add ten times the amount of calcium per day.
People with stomach problems - drinking too much coffee can cause worsening of stomach problems.
Pregnant women - Drinking too much coffee can lead to fetal malformation or miscarriage.
Vitamin B1 deficient people - Vitamin B1 can maintain the balance and stability of the nervous system, and coffee has a destructive effect on it.
Cancer patients - Drinking too much coffee has a carcinogenic risk for normal people.
Because coffee stimulates the brain too strongly, directly affecting the mental state, in the sixteenth century, when coffee was first introduced to Europe, there were people who advocated the need to have a doctor's prescription to drink coffee. And four or five centuries, the coffee culture of the booming, so that people have been unable to day without coffee, the medical profession has been put forward, the impact of coffee on the human body, but also not only refreshing only.
First of all, the role of coffee refreshing. According to research, drink 100-200 mg of caffeine a day, enough to refresh, and harmless to the body; and drinking coffee the best time, in terms of office workers, is early in the morning after breakfast, just to the office, as well as after the lunch break, ready to start the afternoon busy work at the time. A cup of coffee at this time can eliminate the usual drowsiness after meals.
The study also found that, for the average person, a cup of coffee in the morning and a cup of coffee in the afternoon has the best effect, and more than this amount, not only can not achieve the effect of refreshing, but also make people feel agitated.
Drinking too much coffee can also lead to calcium loss, for the elderly, especially middle-aged women, is a major threat to osteoporosis. Two or more cups of coffee a day will increase the chance of fracture by about 50%, which is frightening. Experts believe that the elderly drink coffee, a cup a day is the safest.
Regarding the good and bad effects of coffee on the human body, there may still be some that you don't know:
Filtered coffee is less likely to increase cholesterol, and although drinking coffee will slightly increase the LDl bad cholesterol a little bit, but it will also increase the HDL good cholesterol.
Coffee has a stimulating effect on bowel movements in about one-third of healthy people. Drinking a cup of strong coffee when you have an occasional bowel movement can have an unexpected laxative effect.
Coffee may reduce the incidence of Parkinson's disease.
If you drink coffee when you have diarrhea, the diuretic effect of coffee will promote the discharge of water in the body and aggravate diarrhea.
Coffee can stimulate the gallbladder contraction, people who have a tendency to gallstones are strictly prohibited from drinking coffee.
If you drink too much coffee, pregnant women are prone to spontaneous abortion.
The caffeine in coffee can inhibit asthma. When an asthma attack, you can give the patient two cups of strong coffee in an emergency, because coffee has the effect of bronchial drugs. Frequent coffee drinkers are less likely to suffer from asthma.
Coffee can also eliminate depression and improve libido.
Coffee is a marvelous food, but how to avoid its harm depends on your physical condition and the amount you take!
Coffee is a wonderful food.