Clinical perspective, offered as context rather than as advice. If two explanations both fit, the useful question is which one predicts something the other does not. That is answerable; arguing about which sounds more plausible is not.
From the other side of the consultation, briefly. Most of what circulates confidently in this community traces back to one summary of one study, and the qualifier was dropped somewhere in the third retelling.
sean_dublin said:Most of what circulates confidently in this community traces back to one summary of one study, and the qualifier was dropped somewhere in the third…
Mine went the same way, slower. The detail I would add is minor and it is already implied above.
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Shop Reference Standardssean_dublin said:Most of what circulates confidently in this community traces back to one summary of one study, and the qualifier was dropped somewhere in the third…
Adding the part of the answer the thread has not reached. The mechanism and the magnitude are separate questions. Agreeing that something happens says nothing about whether it happens enough to act on.
If somebody has the primary source to hand I would rather cite it than paraphrase it.