What are the causes of liver and kidney yin deficiency?

Liver and kidney yin deficiency in women may be caused by insufficient sleep, poor diet, excessive menstrual flow and other reasons.

Adequate sleep can nourish the body yin fluid, the body usually too tired to sleep less time or poor sleep quality, will lead to insufficient body yin fluid, unable to repair themselves and produce liver and kidney yin deficiency symptoms. Long-term occurrence of excessive menstrual flow symptoms in women will lead to liver failure to store blood damage liver yin, resulting in liver and kidney yin deficiency symptoms.