The first is the color of the soles of the feet. Traditional Chinese medicine believes that the normal sole color is slightly red. If the red color is very obvious, it may be hot; If the color is blue, it may be cold; If there is abnormal yellow, there may be hepatobiliary diseases; If it is white, it may be malnutrition and anemia in addition to chills; If it is purple or black, it may be poor blood circulation. If the above symptoms appear, you should seek medical advice promptly.
The second is the temperature of the feet. Old people are prone to cold hands and feet, mostly because of insufficient kidney yang or insufficient warmth. This kind of people should eat some hot food, such as mutton, garlic, ginger, etc., to improve their cold resistance. If the feet are hot, it may be yin deficiency and internal heat. You should eat more nourishing things such as mung beans and wax gourd, and eat less isothermal food such as mutton and leeks.
The third observation is nails. We all know that healthy fingernails are pink, there is a crescent on each nail, and so is toenails. Healthy toenails are also pink. On the contrary, when there is a problem with human health, the color of toenails will change and become pale. At this time, everyone should pay attention to see if there is malnutrition or anemia. At this time, it is even more necessary to pay attention to their diet. If you have vertical toenails,