Nails are better when they are flat.
Normal nails are flat and if they appear uneven or curved. This indicates that the body may be deficient in micronutrients. Nails are the external manifestation of the human liver, the end of the nails appear bulging curvature, there may be heart disease or lung disease and so on. Therefore, it is better to have flat nails, and once you find abnormal nails, you should go to the hospital in time to check your body.
Nails are made up of elements such as calcium and keratin, and generally appear flat. An uneven shape indicates malnutrition or a lack of trace elements such as calcium or iron. If the nails are curved and purple-black in color, it means that the patient may have a heart disease, such as heart disease or myocarditis.
Patients should not blindly use medication after symptoms appear, but go to the hospital for examination and clear diagnosis, and then according to the doctor’s instructions for targeted treatment.