RT Book, Section A1 Ershler, William B. A1 Groarke, Emma M. A1 Young, Neal S. A2 Kaushansky, Kenneth A2 Prchal, Josef T. A2 Burns, Linda J. A2 Lichtman, Marshall A. A2 Levi, Marcel A2 Linch, David C. SR Print(0) ID 1178736421 T1 Hematology in Older Persons T2 Williams Hematology, 10e YR 2021 FD 2021 PB McGraw-Hill Education PP New York, NY SN 9781260464122 LK accessmedicine.mhmedical.com/content.aspx?aid=1178736421 RD 2024/04/19 AB SUMMARYWe are currently experiencing, and will continue for the next two decades to experience, a rapid expansion of the percentage of the population older than 65 years of age.1–3 In anticipation, an increased effort is underway to better understand the basic biology of aging and the mechanisms whereby individuals become susceptible to disease.4,5 In this chapter, a current appraisal of our understanding of aging and aging hematopoiesis is presented followed by a more detailed discussion of the clinical consequences of these age-associated changes in hematopoiesis.