You have two changes at once here. You cannot attribute anything until one of them moves.

Worth asking what specifically was measured. Pain scores move with mood and function does not.

Half of what people describe as tolerance is a change in the underlying condition, and the two need different answers.

Loose evidence and no evidence are different, and people overcorrect in both directions.

Domain age is one of the few signals that is expensive to fake and free to check.

Worth asking what specifically was measured. Pain scores move with mood and function does not.

Reference ranges differ between labs, so comparing two reports is close to meaningless.