Recently, science has proved that coffee can not be refreshed is psychological effect?

Personally, I don't think it's important to be refreshed or not. the important thing is that we all have the habit of drinking coffee, and drinking coffee is not only for refreshing, we need to understand the charm of real coffee or to drink more authentic freshly baked coffee. Maybe your opinion will change. The following text is for entertainment only. I don't think the real result is important.

There seems to be a general consensus that drinking coffee can lift one's spirits, but a recent British study has found that it is not the effect of caffeine but the psychological effect that makes you feel refreshed and refreshed to start work when you are tired.

The University of East London experimented with 88 people aged 18 to 47 who drank more than two cups of coffee a day and divided them into two groups. one group told them to drink decaffeinated coffee, but in fact they drank regular coffee, while the other group did the opposite. After drinking a cup of coffee, ask them to take a test to test their attention, reaction time, mood, and so on. The results showed that the group who thought they drank caffeine had better attention and response. The researchers said that from this experiment, coffee itself does not increase attention, but rather that people who think they have drunk coffee are more focused when they have psychological support.

But why do people feel different after a cup of coffee in the morning? The researchers say the reason is likely to be that the cup of coffee reverses the "fatigue effect" of an overnight caffeine-free supply.

Long-term use of caffeine can easily make people feel tired

Caffeine stimulates the nerves to achieve an exciting effect. Researchers at the University of Bristol in the UK have found that people who regularly drink caffeinated drinks gradually become "resistant" to this stimulating effect.

The researchers surveyed 379 adults, half of whom never or rarely drank caffeinated drinks, while the other half regularly drank such drinks. The researchers asked them not to drink caffeinated drinks for 16 hours, followed by coffee or a placebo with no actual effect. The assessment found that regular caffeinated drinkers had the same level of excitement after drinking coffee as those who rarely drank coffee after drinking placebos.

The researchers believe that "people who regularly drink caffeinated drinks feel that caffeine excites them, and the effect of drinking coffee, tea or other caffeinated drinks in the morning is particularly obvious." long-term use of caffeine tends to make people feel tired, and drinking coffee in the morning makes people who regularly drink caffeinated drinks get their excitement level back to the level of ordinary people.

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