Yin deficiency refers to deficiency syndrome caused by the loss of Yuan Yin in human body. In the introduction of Yuan Yin, it is mentioned that Yuan Yin has the function of nourishing human organs and limiting the excessive activity of Yuanyang, so without Yuan Yin, there will be yin deficiency syndrome, and the two obvious characteristics of yin deficiency syndrome are dryness and excess of Yuanyang. This is why many online introductions of Yin deficiency syndrome will mention symptoms such as dry skin, dry mouth and hoarse voice, dry eyes and blurred vision, and dry stool (constipation). Because of the loss of Yuan Yin, Yuanyang is overactive, and there will be symptoms of hyperactivity of Yang such as hot flashes, night sweats and nervous fever.
deficiency of yang
Contrary to yin deficiency, yang deficiency is a deficiency syndrome caused by the loss of yuan yang in human body. The yang of the human body changes periodically like the sun. It changes every day and every year in the human body. During the day, Yang went out to realize people's various activities, and at night, Yang returned to Tibet, making people gradually rest and sleep. In addition, with the change of the four seasons, the yang in the body also changes, and there are periodic changes in the body in spring, summer, autumn and winter.
What symptoms can mandarin duck lose? Imagine what it feels like in winter. Yes, it's cold! The deficiency of Yuanyang is manifested by the lack of heat in the human body-fear of cold. The loss of Yuanyang, one is congenital deficiency, and the other is acquired excessive loss, such as life, labor, fatigue, eating cold food, drug damage and so on.