Adding the clinical framing, because it changes how the question reads. 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.
wendy_avl said:Keep the original post as written when you update it, and add the correction underneath.
Fair, and it stops being fair at the extremes. The middle of the range is well understood; the ends are where the honest answer is that nobody knows.
wendy_avl said:Keep the original post as written when you update it, and add the correction underneath.
Genuinely useful, thank you. I had the facts and not the framework.
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Shop Reference StandardsFrom the other side of the consultation, briefly. 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.
Moderator note: the sourcing question belongs in the vendor section and has been split out. Tagging this one for the weekly digest.