The elderly want to darken their hair, you can eat more blood and kidney food. From the point of view of Chinese medicine, “hair is the remainder of blood”, “kidney its Hua in the hair”, so that the health of the hair is most closely related to the blood and kidney, eat more blood and kidney food, is good for the hair. The food that can nourish the blood is cinnamon, red dates, angelica. There are also many foods that can nourish the kidneys and darken the hair, such as walnuts, black sesame, wolfberries, mulberries, etc. In fact, these foods are also medicines, called medicine and food in Chinese medicine. Of course, if premature gray hair or accompanied by hair loss, you can also take medication, commonly used therapeutic drugs such as He Shou Wu, Shu Di Huang, Cuscuta, chasteberry, etc. These drugs should be used under the guidance of a Chinese medicine practitioner.