This text investigates how biological, behavioral, and psychosocial exposures across an individual's lifespan influence the risk of developing chronic diseases in adulthood. Diana Kuh and Yoav Ben-Shlomo, both established researchers in life course epidemiology, synthesize longitudinal data and theoretical frameworks to argue that adult health is the cumulative result of developmental processes beginning in utero. The book provides a structured methodology for analyzing these long-term patterns to better inform public health interventions.

Experts recognize this work as a foundational text for understanding the life course perspective in modern epidemiology. Readers frequently note the academic density of the prose, which is intended for researchers and graduate-level students in public health.