If you're an American Idol fan, then you probably took notice of judge Randy Jackson's dramatic weight loss a while back. But what you may not realize is that the celebrity lost those 110 pounds because of an alarming diagnosis: type 2 diabetes. Nearly 1/3 of people who have type 2 diabetes don't even realize they have it, and Jackson has teamed up with the American Heart Association to raise awareness. In addition to spreading the word about the disease, Jackson also wants everyone to know the heart risks associated with diabetes. Though many people think of kidney and eye problems when they think of diabetes, heart disease is actually a bigger problem.

To learn more, visit the campaign's website The Heart of Diabetes. If you or someone close to you has diabetes, you can also submit your story for a chance to be on a televised public service announcement with Jackson.