San Diego—“By the time you’re 80 years old, you’ve learned everything. You only have to remember it,” quipped comedian George Burns at various points throughout his lengthy career.
Holding on to memories with age is fundamental to one’s sense of well-being. But although aging is a risk factor for dementias that bring about serious and disabling memory decline, a good portion of older adults remain sharp and quick-witted into their 90s and beyond, experiencing perhaps only minor or annoying alterations in memory and cognitive function.
Friedrich MJ. Researchers Probe the Aging Brain in Health and Disease. JAMA. 2014;311(3):231-232. doi:10.1001/jama.2013.284609