• Question: Why does caffeine make you hyper?

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      Asked by Patrycja to Emma on 10 Nov 2015.
      • Photo: Emma Feeney

        Emma Feeney answered on 10 Nov 2015:

        Hi 362fscd48, it’s because caffeine is a stimulant of the central nervous system. Some people process it more quickly than others, due to a genetic variation. So for some people, caffeine may hang around the body longer, and they may be more affected by it than people who process it more quickly.

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