MASHdoc_SA said:The mechanism and the magnitude are separate questions.
There is a second half to this that has not been said yet. There is a difference between no evidence and evidence of no effect, and this subject is one where the two get swapped freely in both directions.
The figures, for anyone assembling their own picture. For anyone reading later: the numbers in this thread are worth checking against a primary source before you act on them, including mine. Half the figures circulating in this community trace back to a secondary summary that dropped a qualifier.
Ask again with the specifics and you will get a better answer than this one.
A narrower follow-up, since the general answer is now clear:
What did you change at the same time, and can you separate the two now?
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Shop Reference Standardsstefan_berlin said:For anyone reading later: the numbers in this thread are worth checking against a primary source before you act on them, including mine.
Careful with the causal language. Two things moving together in a period when five things changed is not a mechanism, and stating it as one makes the thread less useful to somebody reading it later.
stefan_berlin said:For anyone reading later: the numbers in this thread are worth checking against a primary source before you act on them, including mine.
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.