Go for a physical examination, haha

Fingernails

Flat thyroid-like structures on the back of the fingers (toes) of humans and apes. It is a deformation of the claw, also known as flat claw. Homology with the claw, the sole of the claw retracts, and the claw plate forms a rectangular sheet. It is the product of keratinization of the epidermis at the finger (toe) end and plays a role in protecting the finger (toe) end. Both humans and primates have nails. Some species of the Prototheca suborder have no nails, and some species only have nails on part of the fingers (toes). For example, the second toe of the slow lorises is a claw and the rest are nails, while the aye-aye only has nails on the first finger (toe). , the rest of the fingers (toes) are claws.

Nail breakage

1. Blackened nails and broken spots under the nails indicate myocarditis caused by infection (severe heart infection), other heart diseases, and bleeding diseases.

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

3. Nails that are brittle, soft and easy to wear and lack nutrition may indicate hyperthyroidism.

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

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

6. Indentation of the tip of the nail indicates abnormal problems in the heart, liver or respiratory system.

7. In addition to local fungal infection, green nails indicate bacterial infection in the body.

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

9. Isolated green streaks appearing on the nail bed, especially if the skin color is white, is a sign of skin cancer.

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

11. Nails extending to the fingertips and bending downward are signs of lung damage, such as emphysema and asbestosis.

12. Easily broken, cracked, and peeled off, indicating malnutrition and lack of hydrochloric acid and protein. Minerals are also extremely deficient at this time.

13. The base of the nail is raised and the white part is very small, which means there is a respiratory disease, such as emphysema or chronic bronchitis. This symptom may be hereditary.

14. Separation of nails and nail beds suggests thyroid disease or localized infection.

15. Nails that look like flattened brass instruments indicate a tendency for part or all of the hair to fall out.

16. Reddish-brown acne scars and frayed or bifurcated fingertips mean psoriasis; you need to supplement VC, folic acid, and protein.

17. Reddening of the skin around the nail bed may indicate indigestion of essential fatty acids or a connective tissue disease such as lupus.

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

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

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

21. Two fixed white stripes mean hypoalbuminemia.

22. Broad nails suggest endocrine abnormalities.

23. The white line indicates possible heart disease, high fever, and arsenic poisoning.

24. Horizontal white stripes on the nails may indicate liver disease.

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

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

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

28. Yellow nails appear before other symptoms appear, which may mean certain internal diseases, such as lymphatic, respiratory system diseases, diabetes, and liver disease.

Changes in the five internal organs of human beings will be reflected on the nails accordingly. As long as you pay attention to the subtle changes in your nails, you can predict a person's health status. If you look at your nails to judge your health, the key lies in the color and shape of your nails. Healthy nails should be smooth and smooth, with no vertical or horizontal grooves on the nail surface, no interference spots on the nail surface, symmetrical nails, no deflection, no depressions or upturned ends. Although there are many types of normal nails, they are not exactly the same. Generally speaking, healthy nails can be divided into: ordinary nails, large nails, small nails, long nails, short nails, wide nails, narrow nails, etc.

Usually the nail occupies 3/5 of the finger, and is arched in a rectangular shape. The transverse diameter of the top is slightly larger than the transverse diameter of the base. The white half-moon-shaped part at the base of the nail is called a half-moon, which is also commonly known as nail white. , symmetrically located exactly in the center of each finger, without any major offset. Speaking of which, when all fingernails have the correct white color, it can be inferred that the human body is in good health. If 10 fingernails have no or only a little bit of nail white, it means that the body is exhausted or suffering from illness. The ideal white nail should account for about 1/5 of the nail area. A large white nail or no white nail does not mean that the body is very strong.

The growth and shape of nails will be affected by changes in the body at any time. Especially from the color of the nails and the presence or absence of normal nail whites, you can tell whether you are healthy or pregnant with disease. In addition, some clues can also be seen from the following 10 different kinds of sick nails. We should pay attention to this and adopt correct handling methods to strive for early correction.

Brittle and cracked nails

First of all, the causes should be identified: first, the nails are in contact with water for too long; second, protein, calcium, sulfur, zinc and other elements in the diet or Insufficient vitamins A, B, and C; third, chronic illness or emotional stress; fourth, oral contraceptives; fifth, nails being polished or using abrasives. You may wish to adopt the following correction methods respectively.

1. Take two tablespoons of yeast and 1,000 mg of choline orally every day. It is best to add these nutrients to fluid or milk and take them orally, which will help improve the strength of nails.

2. Since iron deficiency can cause dry and brittle nails, it is best to eat more iron-rich foods and take vitamin C to improve the ability to absorb iron.

3. Soak the polished nails without defects in warm wheat germ oil or other natural oil for about 5-10 minutes every day, and then massage from the fingertips to the surface cuticle. If you use an emery board to slightly abrade the nail surface, it will allow the oil to penetrate more easily.

4. Soak your fingers in dilute vinegar every night. This is a good way to prevent nails from easily splitting. White iodine used on the top of the nail and under the tip of the nail can not only restore the flexibility and strength of the nail, but also hinder the segmentation of the nail.

Nails turn fishy or gray

A person suffering from chronic diseases, long-term emotional depression, smoking, or fingers coming into contact with chemical contaminants such as carbon paper and hair dye can cause the nails to change color or change color. dyeing. If your nails are heavily stained, it is better to wait until new nails grow out. If you want to remove surface staining in time, you can rub a piece of lemon on your fingertips repeatedly, then wash and dry.

Strange-shaped nails

Long-term protein or iron deficiency often results in spoon-like or flat nails, which can be corrected by improving diet and nutrition. It is said that wearing artificial nails can help the nails store moisture and become soft, causing the nails to bend upward. To solve this problem, you should increase nutrition as appropriate and remove the artificial nails you are wearing.

Dull nails

If the nails are wavy and dull, it may indicate a lack of protein, a lack of vitamins A and B, or a lack of minerals. For this, you can improve your daily diet and supplement with multiple vitamins every day. Add 15 grams of vitamin B6 and zinc. Nails that are dull and completely white indicate that you may be suffering from liver disease. At this time, you can ask a physician for examination and treatment.

Pale nails

This may be a sign of zinc deficiency and vitamin B6 deficiency, or it may be caused by anemia. If the symptoms of pale nails persist even after improving your diet and nutrition, you should seek advice from your doctor to find out the cause.

Dented nails

This kind of nail disease indicates a lack of calcium, protein, and sulfur elements in the body. These nutrients can be obtained from eggs and garlic and are eaten regularly. as well.

Ridges, grooves and grooved nails

If you wear artificial nails or do not pay attention to trimming the cuticles on the surface, you can cause ridged, grooved and grooved nails. These abnormal signs may be caused by disease or nutritional deficiencies, so they must be treated symptomatically.

Line-like raised nails

This kind of strange and beautiful-looking nails often occurs after a bad mood or illness. If you can eat a proper diet rich in protein every day, and at the same time Vitamin C plus 15 mg of zinc supplement can accelerate the growth of new nails, so that the horizontal raised lines of nails can gradually disappear.

Vertical grooved nails

Sometimes this type of nails will only occur after the age of 40. This is due to the weakened cell regeneration ability. For this reason, it is necessary to check at least once a year to see Is there anemia or lack of vitamins and minerals? This condition may reveal a deficiency in vitamin A, calcium or iron.

Soft, weak nails

This type of unhealthy nails is often caused by excessive contact with water or chemicals in nail cosmetics. Secondly, it is also related to poor mood and poor diet. You might as well eat more sunflower seeds in your daily life to increase your vitamin A intake. In addition, 5000 mg of dolomite can be taken orally every day. It is reported that this product can supplement calcium and magnesium, and can restore soft and brittle nails to normal and look brand new within 3 weeks.

Nail case 1

Self-diagnosis of anemia

Nails have lost their ruddy color and become pale and bloodless. The center of the nail is sunken and the edges are raised. Thin and dull.

Healthy nails are originally pink, curved in appearance, and have a natural luster. If the nails are pale, flat, or even sunken into a spoon shape, and are dull and dull, it means insufficient liver blood. In the performance, which is a sign of anemia, especially women who usually lose more menstrual blood, they are prone to iron deficiency anemia.

Recommended reading: Several Dietary Recipes for Treating Anemia》》

Nail Case 2

Self-diagnosis of trauma

Pink nails, It's shiny, but two or three white spots have appeared recently.

White spots on nails are very common and usually appear repeatedly. Some people say that this is a sign of poor gastrointestinal function, but there is no medical basis for this. Because of long-term exposure, nails are easily damaged. For example, if fingers are stuck in the cracks of doors, nails are squeezed, collided, etc., the nail matrix cells at the root of the nails will be damaged during the production process, and white spots will appear. If the nails are damaged, There will also be splinter-like bleeding under the bed and under the nails. But don't worry, as the nail grows upward, it will eventually be cut off.

Recommended reading: Self-treatment methods for digestive system diseases》

Nail case 3

Self-diagnosis of nail fungal infection

Nail enlargement Thick, pile-like bulges, the nail plate is no longer transparent, and appears yellow, green, white, black, etc., covering up the natural pink color of the nail bed itself.

This is a classic sign of a fungal nail infection. In the spring and summer social seasons, hot, humid and sweaty toes or hands are prone to fungal infections. Fungi invade the gap between the nail plate and the nail bed and multiply inside, which will significantly affect the appearance of the nails, causing the nails to thicken significantly and the nail plate to become thicker. No longer transparent, different fungi can cause different color changes, masking the color of the nail bed. Therefore, it is most important to keep the skin clean and dry. After washing your hands or feet, be sure to wipe them clean; the treatment method is to apply 35% glacial acetic acid solution externally after cutting off the affected finger (toe) nails. Because finger (toe) nails grow slowly, the treatment of onychomycosis needs to be sustained and requires at least 3 treatments to be effective.

Nail Case 4

Self-diagnosis of nutritional deficiencies

The surface of the nails is uneven and lackluster. Nails are a keratinous structure composed of multiple layers of firmly connected keratinocytes. The cells are filled with keratin filaments, so foods rich in protein and calcium are the basic elements for maintaining healthy, smooth, and shiny nails. In addition, zinc, potassium And iron as well as vitamins A and B are also very important for nail growth, so nails can reflect the nutritional status of the body. If the intake of nutrients such as vitamins and calcium is insufficient, the surface of the nails will be uneven, uneven, and dull.

Recommended reading: Three nutritious meals, a dietary treatment for all diseases

Nail case 5

Self-diagnosis of fever

Horizontal grooves appear on the nails. Transverse grooves in nails are common in children suffering from fever. If the nail metabolism is abnormal for a period of time and the growth is slow, significantly lagging behind the previous growth rate, groove lines will appear on the nail. Transverse grooves on nails are generally related to certain acute and severe diseases, such as acute measles, lung fever, scarlet fever and other febrile diseases, or metabolic abnormalities and skin diseases.

Recommended reading: Scarlet fever recuperation and care, measles home care points

Nail case 6

Self-diagnosis: respiratory, cardiovascular and nutritional disorders< /p>

The ends of the fingers are thicker, like drumsticks, the nails are parrot-beak-shaped, and the nail bed is darker than normal, appearing red or purple.

These nail signs are common in respiratory diseases, certain cardiovascular diseases and nutritional disorders, such as bronchial lung cancer, lung abscess, cyanotic congenital heart disease, subacute infective endocarditis, Liver cirrhosis, etc. The above diseases can lead to chronic hypoxia and metabolic disorders in the extremities of the limbs. Therefore, the ends of the fingers become thicker and club-shaped, and the nail bed becomes darker and appears red with rich blood flow. At this time, you should not be careless and go to the hospital for formal treatment.

Recommended reading: Special topic on self-treatment of respiratory ailments and cardiovascular disease

Nail case 7

Self-diagnosis of liver disease

Nail color It turns white and loses its transparency, like frosted glass.

This may be a manifestation of liver disease, such as cirrhosis, liver cancer, etc. The liver is the "chemical factory" of the human body. Many nutrients are processed and synthesized in the liver, and many toxic substances are also degraded and excreted in the liver. Therefore, if there is a serious disease in the liver, it will cause nail edema, the nail bed will turn white, and the nails will lose their transparency and grow slowly, like ground glass.

Recommended reading: Special topic on prevention and recovery of liver disease

Nail case 8

Self-diagnosis of psoriasis

Thumbs appear on the surface of the nail body There are like depressions, sometimes with white lines, black lines, longitudinal ridges, and transverse grooves. The nail body becomes thin and brittle or thickens and rough, loses its luster, and the nail grows quickly.

You need to be vigilant! Such nail signs may be an early manifestation of psoriasis (also known as psoriasis)! 80% of people with psoriatic arthritis have nail lesions. The characteristic manifestation is thimble-like depressions in the nails. Because the nail bed and the underlying phalanges have the same blood source, psoriatic damage to the nails can cause vascular changes and can involve Phalanges, causing articular psoriasis. Therefore, if such a situation occurs, please go to a regular hospital for treatment in time.

Healthy manicure suggestions

1. Keep your nails dry and clean to prevent bacteria or other microorganisms from gathering in the nails and causing infection.

2. Some manicure products contain volatile solvents, such as alcohol and formaldehyde, which deprive healthy nails of important nutrients. Therefore, you should choose nail polish and nail polish remover carefully, and it is best to choose acetone-free ones. (Acetone-free) polish remover, because acetone not only makes your nails brittle, but also leaves a white mist on your nails.

3. If the toenails are very thick and difficult to trim, soak your feet in warm water (you can add a little salt to the water) for 5 to 10 minutes, and then trim them after the nails become soft.

4. Vaseline is highly moisturizing and is a good hand and nail care product. Before going to bed at night, apply an appropriate amount on your fingers and nails and massage gently. Over time, your nails will be like pink pearls. Has a beautiful luster.

5. Don’t do manicures too frequently. There is a layer of enamel-like substance on the surface of the nail that protects it from corrosion. When you file off the surface of your nails during manicure, your fingers lose their protective layer and lose their resistance to corrosion by acidic or alkaline substances. Therefore, frequent manicure can cause nails to break and become yellow or black in color.

1. Healthy nails are a beautiful pink color.

2. Pale nails with no blood color indicate anemia, cold blood, loss of qi and blood, and hypotension.

3. Blue nails indicate insufficient blood supply and hypoxia, arteriosclerosis, and high blood lipids (high cholesterol).

4. People who are close to death often have their nails gradually turn black from the fingertips at the base and grow upward into a straight line, indicating that they are about to die.

5. Blue nails are hypoxic. Too much blue, blue, congestion, or heart block are malignant nails.

6． Blue nails indicate severe cold and blood stasis. Qinghei's condition is critical.

7. Yellow nails are jaundice, liver and gallbladder disease, and addiction to smoking. It also indicates that it is a chronic lesion and appears on the thumb, indicating poor general health.

8． White spots on the nail bed indicate calcium deficiency, silicon deficiency, or parasites in the body. Drug or nun poisoning also occurs during the day shift. People who have nails during the day shift are prone to fatigue or have chronic habitual constipation. The appearance of day shift on the middle finger indicates calcium deficiency in the spine, osteoporosis, prone to lumbar spine, leg diseases or fractures, which are not suitable for repair.

Standard nails and nail diseases

1. Standard nails

Generally, healthy people have white crescents on the lower part of their nails. If all five fingers have Moon shape, that's the best. If there's no moon shape on your thumb, that's worth noting. No moon shape is not good, and too big a moon shape is not good either. It means suffering from diseases of the heart system or spleen and stomach.

2. Nail horizontal and vertical lines

Flat and smooth nail surface is a sign of health. However, if someone has several ridge-like horizontal lines bulging out from their fingernails, this indicates that there is an abnormality in the body, that they are already sick or that a latent disease is about to break out.

Some people have several ridge-like vertical lines bulging on their nails, which is also a sign of abnormality in the body. Such people are low in energy, fatigued and weak, and generally suffer from nervous system weakness, brain system diseases, and alcohol and drug poisoning.

3. Grooves on the body of the armor

There are grooves in the body of the armor, collectively referred to as grooves. It can be inferred that the patient had a serious illness a few days ago, or suffered a mental shock, causing malnutrition. If the groove occurs on the thumb, it is usually due to lack of energy; if it occurs on the index finger, the person is prone to skin diseases; if it occurs on the middle finger, it is usually caused by muscle weakness; if it occurs on the ring finger, the person is prone to eye disease, bronchitis, etc. Diseases of the respiratory organs; if it occurs on the little finger, you are prone to pharyngitis, neuralgia or bile diseases.

4. People with nails that are turned upward, that is, the nails are tilted toward the back of the hand, and the central part of the nails is concave, are prone to heart disease. This phenomenon is often seen in patients with spinal cord disease or alcoholism.

5. Slender nails

People with slender, rectangular nails and convex cross-sections have weak kidney function and are prone to reproductive and urinary system diseases.

People with long, rectangular and oval nails have weak lungs and are prone to asthma, bronchitis and other diseases. At the same time, you are susceptible to influenza and your body’s resistance is weak.

6． Short nails

Women with short, square nails suffer from gynecological diseases, which may affect their reproductive function.

People with short, square nails have heart disease. If the nails are cyan, then you suffer from cardiovascular neurosis. If they turn into dark cyan or purple, it means that the heart disease has worsened.

7. Round nails

People with round nails and flat cross-sections have spleen diseases. People with round nails and a round cross-section are in poor health.

8． Chips on the tips of nails

People with chips on the tips of their nails have parasites in their bodies.

9. Triangular-shaped nails

People with triangular-shaped nails are prone to digestive system diseases and laryngitis. The triangle shape is opposite to the former. People with inverse triangle shape are prone to diabetes and pneumonia. If a fan-shaped (reverse triangle) is born on the drumstick finger, there will be heart, brain, and blood circulation diseases, such as stroke, spinal cord and other diseases.

10． People with concave nails under their nails

People with convex nails in the middle and concave lower nails are more susceptible to tuberculosis.

Nails that are wide and short (wider than long) may indicate infertility in both men and women.

Little nails, short nails, and wide nails that are red indicate high blood pressure, cerebral thrombosis, and cerebral congestion. Risk of arteriosclerosis. Small nails are especially characteristic of patients with heart disease.

People with large nails and thin fingers are prone to respiratory diseases.

The thumb is an indicator of health, and horizontal grooves may appear on the nail after major illness, injury, or surgery.

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Physiology, human body, nails

Reference: Baidu knows