So this is just...something else. Study: - observational - small(ish) - made no causal claims - measured metabolites, not coffee directly - small absolute risk decrease (~3%) - a bit meaningless Headlines:pic.twitter.com/fjOLl0itVU
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So where did the headlines come from? Well, it appears that the senior author of the paper gave what I can only describe as an astonishing interview in the press release
Here's some quotes. Remember THIS PAPER DIDN'T LOOK AT WHETHER FILTERED COFFEE CAUSED REDUCED DIABETES RATESpic.twitter.com/HG7AzbOv9S
The aim of the study appears to be mostly to use a new technique to investigate consumption, which is where the metabolites come from Everything to do with coffee reducing diabetes is basically complete nonsense
The high filtered coffee drinkers - the people least likely to get diabetes - were better educated, younger, thinner, and smoked less than people who didn't drink filtered coffee It's a textbook case of "probably residual confounding"
There are so many things that might've caused the association between filtered coffee and diabetes that simply weren't measured in this study! It's almost certain that it wasn't the coffee
It is SO FRUSTRATING when academics are appropriately cautious in studies but then give absurd interviews with total overreach of their resultspic.twitter.com/lCH7zPQZ87
Anyway, TL;DR:
- vague association between filtered coffee and diabetes
- probably not causal
- drink your coffee however you want 



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