Adding the clinical framing, because it changes how the question reads. The version of this that has an answer is narrower than the version being asked. Narrow it and it becomes tractable; leave it broad and the thread will produce nine confident and incompatible replies.
Dr.PulmRoch said:Practical: whatever you change, write down the date and the reason.
That reframing is the part I needed. Sending this to two other people who asked me the same thing last week.
From the other side of the consultation, briefly. Order of operations matters more than any single choice here: establish a baseline, change one thing, wait long enough for it to express itself, then measure again under the same conditions.
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Shop Reference Standardsjim_asheville said:Order of operations matters more than any single choice here: establish a baseline, change one thing, wait long enough for it to express itself, then…
Second this.
Moderator note: reminder that nothing in this thread is medical advice, and that clinical claims need a source. Tagging this one for the weekly digest.