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Giant Study May Have Found The Ideal Amount of Coffee to Lower Stress (www.sciencealert.com)

submitted 6 days ago by Zerush@lemmy.ml to c/science@lemmy.ml

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[–] HiddenLayer555@lemmy.ml 5 points 6 days ago* (last edited 6 days ago)

The statistical number-crunching showed that those who drank two to three cups of coffee a day were the least likely to develop mental health problems, compared to people who didn't drink coffee at all or who drank more than three cups.

How much is a cup? Is it the cooking unit equivalent to 250ml or is it a colloquial "cup" that could be anything from the size of a thimble to the size of your head?

If you're going to report on a study about "how much is optimal" can you at least be clear on the units?