If the vertical stripes are as wide as leek leaves, brown and striped, and become thicker or darker in a short time, it is likely that the borderline nevus has become malignant. At this time, we have to operate quickly and pull out this nail. There are also some vertical stripes on the nail surface caused by trauma, which are generally obvious. In addition, we should pay attention to nail malnutrition, which is caused by the lack of vitamins and trace elements, such as vitamin A.
When you get older, your metabolism slows down, your nails grow slowly, and the quality of your nails is not so good, so vertical stripes appear. A phenomenon will also be found in clinic. Those patients with hyperthyroidism have extremely fast nails because of their high basal metabolic rate. In fact, horizontal lines should attract people's attention more than vertical lines. It has a scientific name called Bo's Line: horizontal furrows appear on nails, indicating that malnutrition or some serious disease will temporarily affect the growth of nails, such as measles, mumps and heart disease.
People with hypertension, hyperlipidemia and hyperglycemia, and obese people mostly have a red thenar, which is also constantly changing. Like nails, it indicates certain health risks. If the two situations coexist, the body is very uncomfortable or feels the need to treat the nail itself. For example, onychomycosis caused by the most common fungal infection can affect nails and make their appearance or function abnormal.