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.
PharmacoVig_BOS said:For anyone reading later: the numbers in this thread are worth checking against a primary source before you act on them, including mine.
There is a second half to this that has not been said yet. 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.
One concrete data point for the thread. If you are going to change something, change one thing and give it long enough to express itself. Four weeks is the usual minimum for anything pharmacological on this board, and two weeks of data has told you almost nothing.
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Shop Reference StandardsA narrower follow-up, since the general answer is now clear:
Was that from a primary source or from a summary of one?
Moderator note: good thread. Keeping it here rather than moving it, because the question is general enough to be useful. Carry on.