What Those Vertical Ridges on Your Fingernails Might Be Telling You — Especially After 40

of our nails also begin to change. Over time, the cells that form your nails — known as keratin-producing cells — may slow down or become uneven in their growth. This results in changes to how smooth your nails look and feel.

What Causes These Ridges After 40?

1. Natural Aging

As we grow older, our body’s ability to regenerate cells slows down. This includes continue reading …