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Little known facts about your coffee: It takes 45 minutes to take real effect and the half-life of the caffeine is 5 hours. So don’t expect to wake up… By admin 08 March 2010 at 4:43 am and have No Comments

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Little known facts about your coffee: It takes 45 minutes to take real effect and the half-life of the caffeine is 5 hours. So don’t expect to wake up…


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