Does Regular Caffeine Use Reduce Its Performance Enhancing Effects?

Caffeine is one of the world’s most widely used performance enhancing drugs. Its use within sport is also completely legal, and research tends to indicate that about 75% of all athletes consume some form of caffeine before competition. This should come as no surprise; caffeine reliably improves endurance performance, and, whilst its effects on power and strength performance are less clear, it’s certainly not negative.

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