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.
The figures, for anyone assembling their own picture. Keep the original post as written when you update it, and add the correction underneath. An edited-away mistake is invisible to the next person who makes it.
Correct me if the detail matters more than I have assumed.
One thing that is still open after Dr.AddMedPHL’s answer:
Did your prescriber agree with that reading, and if not what was their objection?
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View ResultsBethLabQueen said:Keep the original post as written when you update it, and add the correction underneath.
Worth saying that the confident version of this is more useful to the person writing it than to the person reading it.
Moderator note: two posts asking for a source have been merged into one. Please search the thread before asking again. Thread quality here is what the rules are for. Keep it up.