The graying global population makes interventions to extend healthy lifespan a public heath priority. Health insults during the perinatal period are linked with risk for aging-related health conditions, including obesity, type 2 diabetes, and cardio-metabolic disease. If these associations are causal, interventions to prevent perinatal insults and to reverse their biological damage could delay disease onset and prolong healthspan, the length of time a person remains healthy. (National Institute on Aging R01AG066887)