Diabetes is the seventh leading cause of death in the U.S., but millions of people don't know they have it.
It's estimated that the disease affects nearly 26 million Americans. Nearly 19 million have been diagnosed, and another seven million people are living with diabetes and don't even know it.
Wednesday Sanford Health is holding a free diabetes screening. It's from 10 a.m. until 1 p.m. in the Locken Lobby at the Sanford USD Medical Center.
KELOLAND's Casey Wonnenberg was tested for diabetes on KELOLAND This Morning. Watch the process by clicking on the video player.