2. Fragile nails may indicate iron deficiency, thyroid problems, impaired renal function and blood circulation problems.
3, nails are brittle and easy to wear, lack of nutrition, and may be manifested as hyperthyroidism.
4. Black nails and/or thin, flat and spoon-shaped nails are all signs of vitamin B 12 deficiency or anemia. If your hands come into contact with detergents and allergens, your nails may turn black or gray. )
5. The nails are dark blue, indicating that the lungs are blocked, such as asthma or emphysema.
6, nail tip invagination indicates that there are abnormal problems in the heart, liver or respiratory system.
7. In addition to local fungal infection, green nail thirst is manifested as bacterial infection in the body.
8, the nails are half white, and there are black spots on the fingertips, which can indicate kidney disease.
9. Isolated green stripes appear on the nail bed, especially pale skin, which is a standard of skin cancer.
10, beaded nails (uneven surface) are signs of rheumatoid arthritis.
1 1, nails extending to the fingertips and bending downward are signs of lung injury, such as emphysema and asbestos lung.
12, easily broken, cracked and peeled off, indicating malnutrition and lack of hydrochloric acid and protein. At this time, minerals are also extremely scarce.
13, the nail base is raised and the white part is very small, indicating that there are respiratory diseases, such as emphysema or chronic bronchitis. This symptom has genetic possibility.
14. The separation of nail and nail bed indicates thyroid disease or local infection.
15. Brass instruments with flat nails show a tendency of partial or total hair loss.
16, reddish-brown acne marks and worn bifurcated fingertips mean psoriasis; Need to supplement VC, folic acid and protein.
17. Red skin around nail bed means indigestion of essential fatty acids or connective tissue diseases, such as lupus.
18, vertical or horizontal ridges appear on nails. Upright spine means poor health, poor nutrient absorption, and/or iron deficiency and kidney disease. Horizontal ridges are caused by excessive mental or physical stress. Staggered nail ridges indicate a tendency to form arthritis.
19, thick armor implies low circulatory function, poor blood circulation and thyroid disease.
20, nail thinning may be like a sign of lichen planus.
2 1, two fixed white stripes indicate hypoproteinemia.
22. If there are white spots or flocculent white spots on the nails, it may be ascaris or zinc deficiency, or it may be gastrointestinal diseases, anemia, malnutrition and so on.