Fine coffee, life, coffee, health.
Some people think that coffee contains more caffeine and is too irritating, so we should drink black tea instead. In fact, does coffee really have such a strong effect on the human body?
Coffee contains caffeine, which excites the sympathetic nerves after entering the body, thus eliminating drowsiness, improving blood circulation, and the body also feels warm and less tired, so it has a "refreshing" effect.
However, when the sympathetic nerve is stimulated and excited, it has a negative effect on appetite, that is, the appetite will be reduced, so drinking coffee before a meal will not want to eat; in addition, because the stomach is stimulated and gastric juice secretion increases, stimulating the empty stomach, it is disadvantageous to patients such as gastric ulcers. This can be said to be the negative effect of coffee. But drinking after a meal is helpful to digestion because the secretion of gastric juice will increase.
Therefore, there is absolutely no problem with drinking after a meal. In addition, some people think that adding some milk to drink can ease its irritating effect, but I doubt how much of a small amount of milk can neutralize caffeine, unless half milk and half coffee, mixed with coffee milk or milk coffee, may have some effect. For example, coffee and milk for breakfast, because there is more milk than coffee, although it is drunk on an empty stomach, it still has the effect of relieving gastric juice. Ideally, drink after a meal, which is beneficial but harmless. One of the benefits is to prevent the onset of allergies. As a result of allergic parasympathetic nerve excitation caused by asthma or allergic rhinitis, if it can promote sympathetic nerve excitement, inhibit parasympathetic nerve, it will help to prevent the attack. Especially serious allergic patients, some mild incentives can cause physical discomfort, coupled with psychological fear of allergies, often out of control. Therefore, it is recommended to take advantage of the advantages of caffeine and drink a cup of coffee in advance when allergies and asthma are about to occur. In addition to the excitatory effects of caffeine, patients who have "already had coffee" on sense of security are less likely to attack.
Of course, the so-called "go too far", no matter how good things are, we should be vigilant that "enough is enough". Otherwise, regardless of drinking before and after meals, excessive caffeine will lead to hyperpalpitation, even trance, unstable walking center of gravity and other side effects.
In principle, it is appropriate to drink two to three cups of coffee a day. If you drink four or five cups, most people will feel sick, so be careful. In principle, no more than three cups a day should be recommended for any kind of irritating drink.
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Coffee healthy caffeine is safe as a food additive.
As a food additive, caffeine has been widely used in food, including coffee, cola, tea and chocolate. The caffeine content of different foods varies, coffee is 400ppm, tea is 200-400ppm, for example, a cup of espresso 130mg, a cup of lightly filtered coffee 80100mg, a bag of instant coffee
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High-quality coffee healthy life the elderly should pay attention to drinking coffee
Coffee contains caffeine, drinking coffee after eating can cheer people up, eliminate fatigue, improve brain activity, and increase appetite, promote digestion and so on. The elderly often drink the right amount of coffee, as well as lose weight, improve exercise ability, improve learning efficiency and so on. However, improper drinking will also have adverse effects. So, how to drink coffee in old age? L. Do not drink too much espresso.
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