But there are often black vertical stripes on nails, which are generally abnormal, indicating that the body has different levels of requirements.
Problems mainly include the following points:
Excessive use of the brain If black vertical stripes appear on the nails in a short time, they will soon disappear, usually due to excessive use of the brain and excessive exercise in the near future.
Caused by fatigue.
Liver and kidney dysfunction If the vertical stripes on the nails always exist, resistance is a sign of chronic visceral diseases, and the birth of liver and kidney is more common.
Due to the decline of physical function.
When there are black vertical stripes on the nails, it is likely to be onychomycosis. In addition, when longitudinal ridges or grooves appear in the center of the deck, it is more confirmed that they are gray fingers.
A, this is because the nail matrix is destroyed by fungal infection and needs timely treatment.
Baidu Source: What is the black vertical stripes on the nails?