Do you know what is the really meaning of sub health

Quantum analyzer is the machine to check full body sub health, but what mean of the sub health?
The main characteristics of sub health is Fatigue, weakness, mood changes.
The weak performance of the organization structure or physiological functions of the age is not compatible with the organization.
Physiological and pathological changes of the disease in some diseases.
So we need the quantum health analyzer to check the human body health.