How individuals age is affected by life experiences. What we know today about aging has been largely shaped by a generation who experienced the special circumstances of wartime in their formative years. In this review, we investigate the research question, "What is known about the physical health of Canadian veterans?" In answering this question, we summarize the literature on Canadian Veterans but also include international literature on the physical health of American and Australian Veterans, along with some information from reports from Great Britain and other parts of Europe. Areas in which veterans perhaps fare worse than civilians of similar age include general health, hearing loss, musculoskeletal disorders, infections, cirrhosis, skin conditions, stomach conditions, neurologic conditions, and cardiovascular disease. The differing effects of combat on female veterans are also summarized. The healthy warrior effect is discussed along with its impact on research findings and the importance of choosing an appropriate control group.