Every October, we shine a light on blood cancers—including leukemia, lymphoma, and myeloma—to raise awareness, support those affected, and emphasize the importance of early detection and regular monitoring. Blood cancers begin in the bone marrow, where blood is produced. They affect the production and function of blood cells—most commonly white blood cells, which are crucial to fighting infection. When abnormal cells grow uncontrollably, they can crowd out healthy ones, leading to fatigue, frequ