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People who regularly consume caffeine are usually in a better mood after a cup of coffee, especially in the morning. This has been confirmed by a new study conducted at Bielefeld University and the University of Warwick in the UK.
The researchers explain the mood-lifting effect as follows: Caffeine blocks the adenosine receptors in the brain, making you feel more alert and energetic. Receptors are a kind of tiny antenna—and they often dock with a substance that makes us tired, namely adenosine.
The scientists also investigated whether coffee has different effects on different individuals. “We were surprised that we couldn’t find any differences between people with varying consumption habits, different levels of depression, anxiety, or sleep problems,” explains Justin Hachenberger, M.Sc., from the Faculty of Psychology and Sports Science at Bielefeld University. “We actually expected that people with higher levels of anxiety would experience increased nervousness after consuming a caffeinated beverage.
The research team points out that excessive consumption of this hot beverage can lead to dependence. Excessive caffeine consumption is therefore associated with various health risks and is linked to sleep problems, especially later in the day.
- source: krone.at/picture: pixabay.com
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