Hemoglobin is a protein in red blood cells. It carries oxygen around your body, delivering it to tissues. Hemoglobin also carries carbon dioxide to the lungs so you can breathe it out. Iron is a part ...

When your blood sugar levels fall within the recommended ranges, it’s a sign your diabetes treatment and management plan is working. You and your doctor can determine your exact blood sugar targets.

A blood sugar chart showing normal levels can help people determine what range their blood sugar levels should be in at different times of the day. Doctors use blood sugar charts, or glucose charts, ...

With prediabetes on the rise, a simple A1C blood test reveals exactly where your blood sugar sits and whether you're heading toward type 2 diabetes before you have a diagnosis. The catch? Financial ...