The gas here refers to the body's vital energy, human emotions and vital energy affect each other, anger liver qi sparing, too much joy heart qi laxity, sadness can make the vital energy dissipation, fear makes the kidney qi under the leakage, shock makes the vital energy go, overthinking the vital energy stagnation.
Detailed explanation:
Anger is qi up refers to the change in pathology when anger causes liver qi to be too detached and qi to be reversed, or even when blood rises with qi and travels upwards.
Joy is the slowing down of qi, refers to excessive joy and sadness, resulting in the heart qi laxity, or even the heart qi violent or God is not guarded changes in the pathology.
Sadness means that excessive sadness and grief injures the lungs, leading to depression and exhaustion of lung qi.
Fear means that excessive fear injures the kidneys, resulting in the loss of kidney qi and the trapping of qi in the lower part of the body.
Shock is a disorder of qi that refers to sudden shock that hurts the kidneys and leads to uncertainty of the heart and mind, and the reversal of qi, and the failure of the kidneys' qi to stabilize.
Thinking refers to excessive thinking that breaks the heart and spleen, leading to stagnation of the heart and spleen qi and failure of transportation.
Expanded Information
Chinese medicine believes that the seven emotions (joy, anger, worry, thoughts, sadness, fear, and shock) are the external emotional and spiritual reactions that everyone has. Therefore, emotional changes are part of the body's physiological activities, generally do not cause disease, only a sudden, strong or long lasting emotional stimulus, beyond the body's normal physiological range, will cause dysfunction.
According to Chinese medicine theory, excessive mental stimulation such as ecstasy, rage, sudden shock, anger, etc., directly affects the qi of the internal organs, resulting in qi stagnation. Anger is qi up, joy is qi slowing down, fear is qi down, shock is qi disruption, sadness is qi elimination, worry is qi gathering, thinking is qi knot, and then produce disease.
The seven emotions that cause disease vary according to each person's personality, constitution, will, recuperation, etc. Generally speaking, joy is less likely to cause disease. Generally speaking, joy is less likely to cause disease, while panic is the fastest disease, anger is more serious disease, and the slow disease caused by superior thinking. Various emotions have different effects on the internal organs.
References:
Baidu Encyclopedia - Health Care