• TropicalDingdong@lemmy.world
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    8 days ago

    How about 15?

    Also, I wonder if they controlled for people who do specific kinds of work where coffee explicitly helps in the labor.

    • moakley@lemmy.world
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      8 days ago

      I read about a study years ago that said yes, the benefit keeps going up the more caffeine you consume. Not sure I could find it again though.