Worth asking what specifically was measured. Pain scores move with mood and function does not. Not on a re-read but the pattern is familiar.

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.

Sorry for the basic question, but how do you actually start one of these diaries?

Split the order.

A plausible mechanism is not an outcome, and this class is the textbook example.