Internal pernicious influences on health

Illness that arises from internal pernicious influence develops inside the body with no external influence. In contrast with illness caused by external pernicious influence, which tend to be sudden and acute, those caused by internal pernicious influence are more often gradual and chronic.

1. Pernicious environmental influences on health

1. Pattern of pernicious influence in Wei portion of Four Stages in the body
2. Fire pernicious influence on health

1. Predisposition to illness
2. Chronic illness