Clinical perspective, offered as context rather than as advice. Start from the measurement rather than the conclusion. Almost every disagreement here turns out to be two people measuring different things and comparing the numbers anyway.
If somebody has the primary source to hand I would rather cite it than paraphrase it.
Following on from gary_naperville — and this may be the naive question:
What did you change at the same time, and can you separate the two now?
hyun_seoul said:Start from the measurement rather than the conclusion.
This is where I part company with the consensus forming above. Filing an objection on the n=1 problem. Personal experience is genuine evidence about one person and very weak evidence about anybody else, and this thread keeps promoting the first into the second.
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Shop Reference Standardshyun_seoul said:Start from the measurement rather than the conclusion.
True, and it depends on a baseline nobody has stated. Without knowing where someone started, the same number can be an excellent result or a disappointing one.