Researchers attribute the Antebellum Puzzle to several interrelated factors. First, urbanization and industrialization, while driving economic progress, brought about overcrowded living conditions, poor sanitation, and increased exposure to infectious diseases. These conditions likely offset the benefits of higher income and food availability, adversely affecting health outcomes. Second, dietary changes contributed to the puzzle. Although food production expanded, diets became less diverse, with a reliance on calorie-dense but nutrient-poor staples like corn and pork, leading to nutritional deficiencies.
Additionally, the expansion of slavery and agricultural practices in the southern states exacerbated regional disparities in health and nutrition. Enslaved populations faced extreme deprivation, while poor white workers in urban areas also suffered from inadequate living and working conditions. Another factor was the rise of economic inequality, which meant that the benefits of economic growth were unevenly distributed, leaving large segments of the population with limited access to improved resources.
The Antebellum Puzzle underscores the complexity of linking economic development directly to improvements in public health and well-being. It highlights how socio-economic transformations can produce unintended negative consequences, particularly when infrastructure and public health measures fail to keep pace with rapid economic changes. This historical anomaly remains a topic of interest for economic historians, providing insights into the interplay of economic, social, and biological factors during periods of significant transition. Understanding the Antebellum Puzzle not only enriches historical analysis but also offers valuable lessons for addressing contemporary challenges in economic development and public health.