At 50, Karl Pillemer had a revelation about his career. After 25 years as gerontologist, he found himself focused almost entirely on problems like elder abuse and isolation: “the Book of Job for older people,” as he put it at the 2012 Age Boom seminar for journalists. This conformed to the general portrayal of olders as frail and debilitated, and was reinforced by researchers “because focusing on problems is how we get funding.” But not only had this stopped feeling fulfilling, it didn’t jibe with his actual experience, and so an outreach project was born.
Most animals, from shrimp to shrews, decline swiftly after reaching sexual maturity. Humans, on the other hand, experience middle age: a several-decade plateau during which most biological systems deteriorate very little. This stage of life, argues writer and zoologist David Bainbridge in this excerpt from Middle Age: A Natural History, represents a remarkable evolutionary achievement that should gratify, not depress.