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  1.  (8575.1)

    Lifehacker just posted on what caffeine actually does to your brain. Which reminds me of an earlier post I did on why caffeine might be good for you;

    As the studies pile up, I've become increasingly convinced that in moderation, the stuff isn't really bad for you; as to why everyone doesn't feel a 'need' for caffeine in the morning?

    I believe it is addictive.
    If you haven't had it in your system, your system doesn't 'need' it. Simple as that. Different people also have different waking/sleeping cycles and at different ages need different amounts of sleep.

    and here's a web md article on the stuff;

    I find all this rather interesting as, when I was a child I was told coffee and caffeine would rot your teeth, stunt your growth, and dull your mind.