When we think about surviving a critical illness like cancer, a stroke, or a major cardiovascular event, we tend to focus on things we can see: our genetic history, what we eat, how often we exercise, and the skill of our medical team. But public health data reveals a much starker truth. One of the most powerful predictors of whether you develop a critical illness—and whether you survive it—isn’t written in your DNA. It’s stamped on your mail. Where you live dictates your environment, your stress levels, and your access to life-saving care. This phenomenon is deeply tied to the “social determinants of health (SDOH)”: the non-medical factors that shape our daily lives. Accordingly, it is not a surprise that public health experts frequently point out that your postal code matters as much as your genetic code when it comes to your health outcomes. However, when it comes to true financial wellness during a medical crisis, there is another factor that dictates your survival: whether y...