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.
... Low numbers of red blood cells may indicate anemia, which has many causes including: Blood loss Irondeficiency Deficiences of vitamin B12 or folic acid Bone ...