The liver is "fragile" and strong. As long as one third of its function is normal, it will act for health. If you find that your lips are black for a long time, it may be that the liver function is damaged, resulting in poor blood circulation in the liver and blood stasis, which reflects the blackening of your lips.

2, the forehead is black

The forehead is what we call Yin Tang every day. It is never a good thing for Yin Tang to be black. From the point of view of traditional Chinese medicine, the forehead is the main fire, and the color on the forehead can show the health of the heart and cerebrovascular diseases. If the forehead is black, or there are many wrinkles in Yintang, it is generally a lack of fire in the five elements, and attention should be paid to heart disease; The person with a black forehead is a sign of excessive liver fire and kidney deficiency.

3. Black neck

If the neck is not black because of tanning, it is very noteworthy, perhaps a sign of diabetes. Many people who are slightly obese in life will wrinkle the back of their necks, and then turn black, and they can't be washed clean. As a chronic disease, once diabetes is diagnosed, there is basically no way to cure it from the current medical level. If you are not afraid of illness, you are afraid of complications.

Extended data:

Pay attention to the characteristics of life and make effective prevention;

1, don't sit for a long time

Sitting for a long time is easy to endanger health. Previous studies have suggested that sedentary may induce some waist and leg diseases and increase the risk of cardiovascular diseases such as heart disease.

2. Quit smoking and limit alcohol

Long-term heavy drinking or smoking will cause great damage to the lungs, liver and blood vessels, and may even induce cancer.

3. Regular physical examination is very important.

The risk of illness will increase with age. If there are people with visceral diseases and bad living habits, regular physical examination is a very necessary means, and physical problems can be found through physical examination.