21/n This table has several errors. The first is in column (i) This is cited as the risk per 100mg. In fact, it is the RELATIVE RISK INCREASE per ADDITIONAL 100mg of coffee consumedpic.twitter.com/GSrBhX27sf
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32/n This narrative review argues that all such studies are the product of industry funding, which is not entirely untrue, but also doesn't really tell the whole story given that it disagrees with non-industry studies as wellpic.twitter.com/ynC0gKO1nj
33/n Ultimately, reviews like this come down to opinions Do we think that Prof James is correct and caffeine is definitely bad? Well, maybe. It depends on your perspective I think
34/n What we can't say is that this is new evidence, or even that we've proven anything here. It's one well-researched opinion that you may or may not agree with 
35/n Anyway, regardless of what you think of the review, it's probably worth correcting the inaccurate table @BMJ_EBM
36/n Also, for the record, I think the conclusions are pretty massively overstated, and also miss out a key part of recommendations which is the question of whether they'll be followed!pic.twitter.com/uPDQfv4aHI
37/n I should also say that I thoroughly dislike opinion pieces and media attention like this The evidence hasn't changed, and quite frankly I think pregnant people have enough to worry about without the fear that a cup of coffee will cause a miscarriage
Turns out dose-response relationships are complicated! Who knew! Not the author of the BMJ paper, apparently...
Considering the 300+ “Known” substances found in coffee (depending on region and roasting), caffeinated tea is considered safe, and decaffeinated coffee is worse, you need to examine all chemicals and then hold everything else consistent. Virtually impossible.
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