A PRACTICAL READ
Labs are one part of the picture. Their value grows when symptoms, sleep, medications, training load, and history are read beside them.
Health education should help you notice a pattern, prepare a better question, and decide whether a clinical conversation would be useful. It should not pressure you into an answer before you have context.
Capacity can change for many reasons. The practical step is not to assume one explanation, but to collect the patterns that help make the next question more specific.