Saturday, October 11, 2025

New Study on Tylenol and Autism

 Tylenol and Autism: Cremieux brings a new study from Japan.  It is a great example of how researchers can systematically remove biases and confounders from an experiment.

As luck would have it, more evidence has come out since that systematic review was published. This new evidence came online at the beginning of September and evidently everyone missed it, but it is considerable. Given what we already know—it is highly unlikely that acetaminophen has any role in autism—, it’s nothing new: it reinforces the knowledge that acetaminophen does not cause autism!

It is long and involves statistical methods I am not familiar with, but someone in the comments had a ChatGPT summary, which I was able to get a better grip on. 

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