Blood is the life force of your body, carrying oxygen, fighting infection, and clotting to forestall excessive bleeding. Hematology is the examine of blood in health and illness, and a hematologist is a physician specializing in diagnosing and treating blood disorders. What Does a Hematologist Treat? Red blood cells: These carry oxygen throughout your physique. Problems can embrace anemia (low crimson blood cell rely) or sickle cell illness. White blood cells: These combat infection. Issues can contain low white blood cell counts or leukemias (cancers of the blood cells). Platelets: These help blood clot. Problems can include low platelet counts or excessive clotting disorders. Blood vessels: Inflammation or weakness in blood vessels can result in conditions like vasculitis. Bone marrow: This is where your blood cells are produced. Diseases can affect bone marrow perform. Lymph nodes, spleen, and clotting proteins: These play a role in your immune system and blood clotting. Problems can include lymphomas (cancers of the lymphatic system) or hemophilia (a bleeding disorder). Medical oncologists additionally treat blood cancers like leukemia, lymphoma, and multiple myeloma. Fortunately, significant advancements have been made in treating these situations. Your oncologist will likely be the most effective source of data in your specific scenario.