Vertical stripes appear on nails, which can't be ignored, because this is a reflection of calcium deficiency. If there are vertical lines on your nails, you should eat more foods with high calcium content in your diet, such as milk and dairy products, beans and bean products. In addition to vertical stripes, white spots or black spots appear on nails, which is also a sign of health threat. Attention! What should I eat with vertical stripes on my nails? Vertical stripes on nails are caused by calcium deficiency, which can directly reflect what bones are like. If there are signs of calcium deficiency like being stuck in the eye of a needle, you should eat more calcium-containing food at this time. Therefore, if there are vertical stripes on nails, you should eat more foods rich in calcium, such as milk and dairy products, beans and their products, sesame seeds, shrimp skin and so on. And add some high-quality calcium supplements appropriately. What are the calcium supplements? Milk and dairy products: cow, sheep, horse milk and its milk powder, cheese, yogurt, condensed milk, ice cream. 500 ml fresh milk can supplement 600 mg calcium. Fish, shrimp, crab and seafood: crucian carp, carp, silver carp, loach, shrimp, dried shrimp, dried shrimp skin, crab, kelp, laver, clam, sea cucumber and snail. Meat and eggs: mutton, pig brain, chicken, eggs, duck eggs, quail eggs, preserved eggs, dried meat floss, etc. Beans and bean products: soybean, edamame, lentil, broad bean, bean curd, dried bean curd (100g bean curd can be supplemented with 200mg calcium), bean curd skin, bean curd milk, etc. Vegetables: celery, rape, carrots, radish tassels, sesame seeds, coriander, potherb mustard, black fungus, mushrooms, etc. Fruits and dried fruits: lemon, loquat, apple, black dates, preserved apricots, orange cakes, preserved peaches, almonds, hawthorn, raisins, walnuts, watermelon seeds, pumpkin seeds, dried mulberries, peanuts, lotus seeds, gorgon nuts and so on. In addition, the preservation and storage of food can reduce the consumption of calcium. Don't stir the milk when it is heated, add more water when cooking, keep the time short, and don't break the vegetables too much. Spinach, water bamboo and leek all contain more oxalic acid, so it is advisable to soak them in hot water for a while to dissolve the oxalic acid, so as not to combine with calcium-containing foods to form insoluble calcium oxalate. Lactose can store more dietary calcium. Sorghum, buckwheat chips, oats, corn and other miscellaneous grains contain more calcium than rice and flour, so you should eat some miscellaneous grains properly at ordinary times. How to observe health through nails? The appearance of red spots under the nails indicates that capillary bleeding may be caused by hypertension, skin disease, heart infection or some potentially serious diseases. White spots on children's nails often appear white spots, which are more common in gastrointestinal stagnation, indigestion or insect accumulation or calcium deficiency, which may be insect spots, indicating that there are insects in the body. If there are white spots on the nails of adults, it is a sign of malnutrition. Liver function metabolism or damage is more common, especially in patients with chronic hepatitis B, habitual constipation and long-term gastrointestinal dysfunction. White nails are generally malnourished, and poor people tend to have pale nails. If the nails suddenly turn white, there are common emergencies such as hemorrhagic shock and chronic diseases such as gastrointestinal bleeding. Many people are overworked, lack of sleep and neurasthenia, which will lead to vertical stripes on their nails. Special attention should be paid to their health. If striations persist, the immune function is poor, and some organs in the body have chronic diseases, which may be a precursor to liver disease; If the nails of the elderly have longitudinal lines, it is mostly a symbol of long-term mental weakness and physical aging. Deep and thick stripes indicate serious diseases. The appearance of horizontal nails is generally malnutrition, or it may be caused by staying up late and eating irregularly. Nail stripes are many and thin, which are common in long-term chronic digestive system diseases. If you don't pay attention to your diet, you will have symptoms such as abdominal pain and diarrhea. The severity of black nail indicates that there may be tumor and gangrene on the body. This is a sign that the blood circulation in the brain is disturbed. Generally, the fingernails of the right hand appear, indicating that there is something wrong with the left brain. Blue nails are severe chills, and blue nails are critical. Patients with common hypoxia and congestion. Insufficient blood supply and hypoxia, arteriosclerosis, hyperlipidemia (high cholesterol).