What are the causes of sub-health?

1, Internal cause: Congenital deficiency and weak endowment will make you prone to some diseases and sub-health. Physical factors are also congenital factors, and physical reactivity such as physical strength and psychological quality is obviously related to the occurrence of sub-health. Old age will weaken the function of zang-fu organs, which is also an important factor to produce sub-health. 2. External factors: exogenous pathogens, namely wind, cold, heat, dampness, dryness and fire, which are too much or not enough to cause six evils, will lead to the emergence of pre-illness state. Unhealthy diet, too hungry, too full, and too fond of certain foods will lead to yin-yang imbalance, which will lead to sub-health state.