Primary aging refers to the simple and fairly universal effects of biological aging. Examples being wrinkles, loss of muscle mass, slowing of physical prowess and others. The distinction between primary and secondary aging can be blurred by the presence of genetic influence and diseases associated with advancing age.

PRIMARY AGING: "Lois' slower times in the 40 yard dash were an excellent example of primary aging."
Cite this page: N., Pam M.S., "PRIMARY AGING," in, April 28, 2013, (accessed October 15, 2021).