TY - CHAP M1 - Book, Section TI - Biology of Aging A1 - de Cabo, Rafael A1 - Le Couteur, David A2 - Loscalzo, Joseph A2 - Fauci, Anthony A2 - Kasper, Dennis A2 - Hauser, Stephen A2 - Longo, Dan A2 - Jameson, J. Larry PY - 2022 T2 - Harrison's Principles of Internal Medicine, 21e AB - The dramatic increase in the population of older people is one of the most significant changes in human history. In the past few years, the number of people over the age of 65 exceeded that of children under the age of 5 for the first time, and by 2050, older people will likely outnumber children under the age of 14 (Fig. 476-1). SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/19 UR - accessmedicine.mhmedical.com/content.aspx?aid=1190512971 ER -