A Tale of Two Americas: Why does your ZIP code determine your lifespan? This map reveals a shocking 20-year gap in life expectancy right here in our own backyard. 👇 ​Look closely at this map. It’s more than just red and blue pixels; it is perhaps one of the most sobering visualizations of inequality in the United States today. We often hear national averages thrown around—statistics that suggest the "average" American lives to about 77 years old. But as this county-by-county breakdown clearly i