Yin and yang are the paired qualities traditional theory uses to describe balance in the body.
Cool and warm, rest and activity, inward and outward — a working picture, not a lab finding. In 📝Acupressure and 📝Energy Work the pair is the traditional language of the map, not a diagnosis of imbalance as a disease and not a claim to restore yin or yang as a medical procedure.
Clients do not need the terms. Unexplained symptoms belong with licensed care.