An official website of the United States government
Here’s how you know
Official websites use .gov A
.gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A
lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
... or autoimmune conditions. Fingers may become thin and tapered with smooth shiny skin and nails that grow ... return to their usual color. Your fingers or toes turn black or the skin breaks down. You ...