David Spiegelhalter
1 min readApr 4, 2018

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Ash, the slope is not 0.5 mg/kg/day, but 0.5 per mg/kg/day. So I believe (and hope) I’m correct. Otherwise coffee would be about the most toxic compound around!

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David Spiegelhalter

Statistician, communicator about evidence, risk, probability, chance, uncertainty, etc. Chair, Winton Centre for Risk and Evidence Communication, Cambridge.