Variance because of biological maturation, but hastened as a result of disease and poor health practices (no exercise, smoking, excess fat and other forms of self-damage) and are often preventable, whether through lifestyle choice or modern medicine.

SECONDARY AGING: "Secondary aging occurs when an individual fails to take care of themselves properly."
Cite this page: N., Pam M.S., "SECONDARY AGING," in, April 28, 2013, (accessed February 26, 2021).