Sub-health is a description of the physiological function state of biological organisms. It generally refers to the state in which the physiological function is between healthy and unhealthy. The transition from healthy to unhealthy requires a process from quantitative change to qualitative change, and this special stage before qualitative change occurs is sub-health.
sub-health?
Xiaobing is in the third year of junior high school, facing the pressure of high schiool entrance. He often stays up late to study. Recently, he feels a layer of fog when he sees things. Medical experts say this may be pseudo-myopia.