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

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

Same here.

You have two changes at once here. You cannot attribute anything until one of them moves. How long have you been on a soup?

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

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