Comment on The Productivity CycleComments−JacobIrwin12yEnjoyed the read, but not so sure that "caffeine is a zero-sum game." - http://www.futurity.org/caffeine-stimulates-long-term-memory...−ta4343412yFrom your link: The subjects—*none of whom regularly ate or drank caffeinated products*— Tolerance is the main reason why caffeine is a (mostly) zero sum game.
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Enjoyed the read, but not so sure that "caffeine is a zero-sum game." - http://www.futurity.org/caffeine-stimulates-long-term-memory...
From your link:
Tolerance is the main reason why caffeine is a (mostly) zero sum game.