There are horizontal lines on the thumb nail

Feet are very important organs in our body. Normally, feet not only bear the entire weight of our body and carry our body to any place we want to go, but each part of the foot also indicates the health status of our body. If there is a problem with our body, even if we can't see it from the outside, our toenails will have a good predictive effect over time, which requires our careful observation.

Nail breakage

1. Blackening of the nails and broken spots under the nails indicate infection-induced myocarditis (severe heart infection), other heart diseases, and abnormal nail bleeding.

2. Brittle nails may indicate iron deficiency, thyroid problems, impaired kidney function, or blood circulation problems.

3. Brittle, soft and easily worn nails indicate a lack of nutrition and may indicate hyperthyroidism.

4. Black nails and/or thin, flat, spoon-shaped nails are signs of vitamin B12 deficiency or anemia. (Nails may also turn black or gray if hands come into contact with detergents or allergens).

5. Dark blue nails indicate lung obstruction, such as asthma or emphysema.

6. Inward-pointing nail tips indicate abnormalities in the heart, liver, or respiratory system.

7. In addition to local fungal infections, green nails can also indicate bacterial infections in the body.

8. Half-white nails with black spots on the fingertips may indicate kidney disease.

9. The appearance of isolated green streaks on the nail bed, especially on fair skin, is a sign of skin cancer.

10. Beaded nails (uneven surface) are a sign of rheumatoid arthritis.

11. Nails that extend to the fingertips and curve downward are a sign of lung damage, such as emphysema and asbestosis.

12. Easy to break, crack, and peel off indicates malnutrition and lack of hydrochloric acid and protein. Minerals are also extremely deficient at this time.

13. A bulge at the base of the nail with a very small white part indicates respiratory diseases such as emphysema or chronic bronchitis. This symptom may be hereditary.

14. Separation of the nail from the nail bed suggests thyroid disease or localized infection. It may also be due to excessive exposure to chemicals, such as frequent manicures, frequent soaking of nails in water or contact with chemicals.

15. A brass instrument that looks like a flattened nail indicates a tendency to lose some or all of the hair.

16. Reddish-brown acne scars and worn and split fingertips indicate psoriasis; you need to supplement with VC, folic acid and protein.

17. Redness of the skin around the nail beds may indicate essential fatty acid indigestion or a connective tissue disease, such as lupus.

18. Vertical or horizontal ridges appear on the nails. Erect ridges can indicate poor health, poor nutrient absorption, and/or iron deficiency, or kidney disease. Horizontal spine is caused by excessive mental or physical stress. Interlaced ridges on the nails indicate a tendency to develop arthritis.

19. Thick nails indicate poor circulatory system function, poor blood circulation, and thyroid disease.

20. Thinning nails may be a sign of lichen planus.

21. Two fixed white stripes mean hypoproteinemia.

22. Wide and square nails indicate endocrine abnormalities.

23. White lines may indicate heart disease, high fever, or arsenic poisoning.

24. The appearance of horizontal white stripes on the nails may indicate liver disease.

25. If the white half-moon shaped area at the base of the finger turns red, it indicates heart problems. If it turns gray-green, it indicates heavy metal poisoning or lung disease.

26. White nails mean liver or kidney disease and/or anemia.

27. White nails with pink near the fingertips are signs of cirrhosis.

28. If yellow nails appear before other symptoms, it may mean certain diseases in the body, such as lymphatic and respiratory system diseases, diabetes, diseased nails, and liver disease.