Hyperglycemia, or high blood sugar, can develop gradually, with mild early symptoms like fatigue and thirst that may go unnoticed for years. Over time, high blood sugar can damage blood vessels and ...

Blood cancers affect the production and function of blood cells, disrupting how the body fights infection, carries oxygen and controls bleeding. These cancers include leukemia, lymphoma and myeloma, ...

Your body runs on blood like a car runs on fuel – without enough of it, everything starts breaking down. When blood levels drop too low, your organs begin struggling to get the oxygen and nutrients ...