What does blood deficiency refer to?

Blood deficiency refers to the pathological changes arising from the insufficiency of blood and the diminution of the blood’s moistening function, which may be manifested by pale lips, dizziness, palpitations and insomnia.
The formation of blood deficiency may be due to excessive blood loss, such as acute or chronic bleeding caused by various reasons; it may also be due to insufficient generation, such as dietary deficiencies, weakness of the spleen and stomach, the lack of source of blood biochemistry, or deficiency of renal essence, the essence does not transform blood; it may also be due to overconsumption, such as prolonged illnesses, chronic wear and tear, and over-anxiousness, resulting in the dark depletion of the camp blood and other factors.
Blood can nourish the body’s meridians and internal organs to maintain their normal physiological functions. Blood deficiency can not nourish the head and eyes, the upper glory in the face, there will be dizziness, pale white symptoms. Blood does not nourish the heart, the heart and mind are restless, palpitations and insomnia and other symptoms. If the blood is weak and the meridians are not nourished, symptoms such as numbness of the hands and feet will occur.
If you are not feeling well, please go to the hospital to avoid delay.