Subjects: , How I Treat, Red Cells, Iron, and Erythropoiesis Subjects: , How I Treat, Red Cells, Iron, and Erythropoiesis Anemia is common in older adults and increases with advancing age.1,2 In the United States, up to 17% of individuals aged >65 years experience anemia.3 The World Health Organization (WHO) defines anemia as a hemoglobin level of <12.0 g/dL for women and of <13.0 g/dL for men.4 This WHO definition of anemia is a population-based threshold, which may not fully capture...