What are seven emotions? What are the pathogenic characteristics of seven emotions?

Seven emotions: joy, anger, worry, thinking, sadness, fear, terror seven emotional changes.

Pathogenic characteristics of seven emotions:

(1) Direct injury to the internal organs;

(2) Affect the viscera qi machine: anger on the gas, happy gas slow, sad gas away, fear under the gas, panic gas chaos, thought gas knot;

(3) Abnormal emotional fluctuations can aggravate or rapidly deteriorate the condition.