The document discusses how healthcare policies aim to promote population health through prevention, wellness, and eliminating health disparities. It notes that good health benefits society as a whole, not just individuals. Healthcare issues become prominent parts of presidential agendas because every citizen has a stake in related policy decisions, leading to heated debates. The document prompts considering how current and previous presidents have addressed issues like mental health, HIV, opioid epidemics, etc. and what could be done differently.