Dr.KarenChen said:It is worth asking what the claim would look like if it were false.
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.
Reporting back.
Late follow-up. I did not do what was suggested, I did something adjacent, and it worked; posting the difference in case it matters to somebody.
Clinical perspective, offered as context rather than as advice. 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.
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Shop Reference StandardsDr.RenalNash said:The version of this that has an answer is narrower than the version being asked.
Adding a me-too, because a thread of one person's experience is not much use.
Dr.RenalNash said:The version of this that has an answer is narrower than the version being asked.
There is a second half to this that has not been said yet. It helps to ask what evidence would change your mind before you look at any. If nothing would, the discussion is not about evidence, and it is better to say so early than to spend nine posts discovering it.