Overview
- Australia's universal healthcare system plays a significant role in its higher life expectancy.
 - Lower rates of smoking and stricter regulations on drugs and firearms contribute to fewer premature deaths in Australia.
 - Preventable causes like drug overdoses, car accidents, and homicides significantly impact American life expectancy.
 - Australia's proactive public health initiatives around mental health and substance abuse offer a model for improvement.
 - Geographic inequalities in life expectancy are more pronounced in the US compared to Australia.