He is author of over 110 peer reviewed articles primarily in the areas of biodemography and genetics of human exceptional longevity as well as the medical misuse of hormones for "anti-aging" and "age-management".
He is author of over 110 peer reviewed articles primarily in the areas of biodemography and genetics of human exceptional longevity as well as anti-aging quackery. Perls is a prominent critic of "hormone replacement therapy" including growth hormone and testosterone for "anti-aging" and "age-management".