What's the matter with the depression in the middle of the nail? Teach you how to tell your health from your nails

Judging from the shape of the nails, if there is a depression in the middle, you should be alert to liver problems and anemia. The color of the nails can also reflect the health of the body. Whitening, blackening, yellowing, or having spots are all abnormal.

1. The shape of the nails:

1. Flat, concave, spoon-shaped, brittle and dull nails are signs of insufficient liver water or iron deficiency anemia, hypochromic anemia and light-colored microcytic anemia.

2. The nails are in the shape of a parrot's beak and the fingertips are like drumsticks. This is often seen in congenital heart disease with cyanosis, rheumatic heart disease, chronic heart failure, lung abscess, emphysema, silicosis, chronic fibrous cavitary tuberculosis, chronic ulcerative colitis, etc.

3. Horizontal lines on the nails are a precursor to kidney disease or myocardial infarction; vertical lines on the nails indicate a lack of vitamin A and are a precursor to liver disease; sunken pits on the nails indicate poor respiratory function.

2. From the color of nails:

1. Nails turn white. Acute conditions include blood loss and shock. Chronic conditions include anemia, hookworm disease, gastrointestinal bleeding, advanced tuberculosis, cor pulmonale, etc. If the nails become as white as frosted glass, it is a characteristic of liver cirrhosis.

2. Nails become white, thin and soft, which is often seen in chronic wasting diseases.

3. Yellow nails are caused by a lack of vitamin E. Traditional Chinese medicine believes that it is mostly caused by damp heat fumigation, and is seen in hypothyroidism, carotenemia, nephrotic syndrome, etc.

4. When the nails turn gray, it is a sign of onychomycosis. In the early stage, there will be itching around the nails, and then the nails will become deformed, lose their luster and become grayish white.

5. Purple nails with small red thorns are caused by lack of oxygen and indicate heart and lung disease.

6. If the nails are half red and half white (commonly known as yin-yang nails), it means that the kidney function is poor.

7. White spots or floc-like white spots on the nails may indicate zinc deficiency, gastrointestinal disease, or anemia; the appearance of black spots or blue spots is a sign of poisoning.

8. Erythema appears around the nails, which is more common in patients with lupus erythematosus and dermatomyositis.

9. If the lunula of the nail is blue, it indicates poor peripheral circulation.

10. If the lunula is obviously red, it is a sign of heart failure; if the lunula is obvious, the intestinal absorption is good.

11. Those with no lunula or a narrow one have poor digestive ability.