Anger hurts the liver, and excessive anger can make the liver qi rush upwards, and the blood goes up with the qi, leading to shortness of breath, blushing, vomiting blood, and even fainting. From the point of view of western medicine, when people are angry, they will secrete a substance called catecholamine, which acts on the central nervous system, raising blood sugar, strengthening the decomposition of fatty acids, and correspondingly increasing toxins in blood and liver cells, accumulating in the liver, thus damaging the liver. Therefore, eating after getting angry is not only bad for digestion, but also equivalent to eating "toxins." The bad mood caused by anger is anxiety. Angry people feel sad, and the more they think about it, the angrier they get. Injury to the lungs and spleen. When people are sad, they can make lung qi stagnate and qi and yin dissipate. When people are emotional, shortness of breath or even hyperventilation is harmful to the lungs. Thinking too much is easy to hurt the spleen, manifested as fatigue, dizziness, palpitation, anemia and other symptoms caused by insufficient blood. Some of them can also have a series of symptoms of digestive tract diseases such as belching, nausea, vomiting, abdominal distension and diarrhea. In addition, anger can also cause sympathetic nerve excitement, and directly act on the heart and blood vessels, reducing gastrointestinal blood flow, slowing peristalsis, worsening appetite, and even causing gastric ulcer in severe cases. ?