From the other side of the consultation, briefly. The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either. Those three things can all be true at once, and most arguments here are two people holding different parts of that.
DoseLogDan said:Keep the original post as written when you update it, and add the correction underneath.
True, with the qualification that this is a self-selected group. The people for whom it did not work post less, and that shapes everything we think we know.
DoseLogDan said:Keep the original post as written when you update it, and add the correction underneath.
This answered a question I did not know how to ask. I will report back once I have actually tried it.
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Shop Reference StandardsAdding the clinical framing, because it changes how the question reads. Worth answering the question that was asked rather than the one behind it. The narrow version usually has an answer; the broad version usually does not, and answering the broad one is how a thread stops being useful.
If somebody has the primary source to hand I would rather cite it than paraphrase it.
Moderator note: the sourcing question belongs in the vendor section and has been split out. Report rather than reply if it drifts again.