Generally, older adults tend to develop slight vertical ridges due to a decrease in cell renewal. This occurs when new cells wait beneath the skin’s surface to replace the dead cells on the outside.
If other abnormalities are also present, such as changes in color and texture, an underlying condition may be suspected. For example, in trachyonychia, a condition that can be an isolated phenomenon or linked to other skin disorders, the nail ridges change color, and their surface becomes rough and brittle.may also present with vertical lines. Likewise,