Adding the clinical framing, because it changes how the question reads. Most of what circulates confidently in this community traces back to one summary of one study, and the qualifier was dropped somewhere in the third retelling.

LabKate said:

One practical note: write down what you did and when, before you need it.

Bookmarking. The distinction being drawn above is the one nobody else makes.

Adding the clinical framing, because it changes how the question reads. The useful move here is to separate what is established from what is widely repeated. Those two sets overlap less than the confident tone of most write-ups suggests, and the second set is where nearly all the disagreement on this board comes from.

Dr.EndoEP said:

The useful move here is to separate what is established from what is widely repeated.

Second this. Nothing to add that would improve it.

Moderator note: good thread. Keeping it here rather than moving it, because the question is general enough to be useful.