How much coffee should I drink?

They say coffee’s good for brain function and cancer prevention. I also here there’s a threshold to how much coffee you can consume that will benefit you. So how many cups a day or how many mg and how often? Also is there a way to calculate more accurately based on body weight?
Thats myth and besides I wouldn’t mind being a little shorter.

I agree, 4 cups max (not to the point where you feel jittery). You wouldn’t want to drink too much anyway, it’ll stain your teeth.

Research has proven that coffee does draw a bit of calcium, but it is a very insignificant amount.

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