Coffee review

Coffee knowledge whether drinking coffee is addictive or not

Published: 2025-08-21 Author: World Gafei
Last Updated: 2025/08/21, A university in England invited 300 volunteers to take part in the study. Coffee fans and non-coffee fans were divided into two groups. They stopped drinking coffee 16 hours before the test and observed the changes in their concentration. After 16 hours of "abstinence from coffee", only coffee fans were allowed to drink coffee, while non-coffee fans were not allowed to drink coffee. The results showed that the concentration of coffee drinkers was the same as that of non-coffee fans.

A university in England invited 300 volunteers to take part in the study. Coffee fans and non-coffee fans were divided into two groups. They stopped drinking coffee 16 hours before the test and observed the changes in their concentration. Sixteen hours after "abstaining from coffee", only coffee fans were allowed to drink coffee, while non-coffee fans were not allowed to drink coffee, but the results showed that coffee drinkers had the same concentration as non-coffee fans and were only at a normal level. Therefore, it is estimated that even if non-coffee fans drink coffee, it will not help to enhance their concentration or efficiency.

The researchers in charge of the investigation said that adenosine (Adenosine), which slows down in the human body, feels "refreshed" after drinking coffee because caffeine stops adenosine from entering cells, making it less likely to cause drowsiness. The study also pointed out that caffeine narrows the blood vessels, speeds up the blood flow and causes headaches. Some coffee fans who do not drink coffee will have headaches, irritability, muscle tension and nervousness and other uncomfortable reactions.

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