Geriatric doctor (geriatrician) consulting and diagnostic examining elderly senior adult patient (older person) on ageing and mental health care in medical clinic office or hospital examination room The Lisa Wexler Show – Normal Vs. Abnormal Aging Renowned geriatrician, Dr. Cathryn Devons, joins Lisa Wexler to talk about normal vs. abnormal aging, what a geriatrician does, and when to see one. Image Credit: Chinnapong / iStock / Getty Images Plus