This New Caffeine Calculator Can Tell You If You're Drinking Too Much Coffee

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Kristen Curette Hines/Stocksy

When I lived in Italy (#bragging—sorry), I probably drank four to five cups of coffee per day. Granted, they were of the espresso kind, but for me, consuming that amount of caffeine a day didn't bode well for my health or my brain. I felt jittery, and I would often feel anxious and not sleep. Fast-forward six years and I (think) I've figured out how many cups per day I can handle: One in the morning and the occasional midafternoon cup (if I'm flagging). The thing is, though, that it's taken me a while to figure this out, and I know I'm not alone in wondering how many cups is too many.