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Caffeinated resistance exercise may not be for everyone

This study found that only people with a certain type of gene seem to benefit from caffeine before lifting.

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Study under review: The effect of CYP1A2 genotype on the ergogenic properties of caffeine during resistance exercise: a randomized, doubleblind, placebo-controlled, crossover study

Introduction

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Who and what was studied?

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What were the findings?

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What does the study really tell us?

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The big picture

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Frequently asked questions

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What should I know?

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