How much do you know about blood deficiency? Dazzling, hair loss, numbness in the hands and feet, one by one for you to uncover the mystery! How much do you know about blood deficiency? Dazzling, hair loss, numbness in the hands and feet, one by one for you to uncover the mystery! How much do you know about blood deficiency? Dazzling, hair loss, numbness in the hands and feet, one by one for you to uncover the mystery! How much do you know about blood deficiency? Dazzling, hair loss, numbness in the hands and feet, one by one for you to uncover the mystery!