We know what caffeine does to your brain, but coffee is still a big part of most daily routines — often more than just a cup. How much do you drink in a day?
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Everyone metabolizes caffeine differently, but even allowing for that, how much you drink plays a big role in your overall mood. A recent review of over 200 studies found that about 400mg of caffeine per day — about three cups of coffee — is a safe intake for most adults.
How much caffeine do you drink in a day? Do you ever go "overboard" and start getting jittery? Let us know in the comments.