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The science behind caffeine

Brain Science: Neuroscience, Behavior

00:00

Are You Having Too Much Caffeine?

There's three telltale signs that you might be having too much caffeine. Caffeine mildly affects your heart rate similar to going up three flights of stairs. You can start to notice and a lot of people are wearing Fitbits these days. The way that caffeine works has more to do with its specific shape than its class as an alkaloid.

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