Healthcare exists to help people maintain or improve their mental, emotional, and physical well-being. Good health is central to handling stress and living a longer, more active life. According to the Centers for Disease Control and Prevention (CDC), healthcare costs in the United States were $3.8 trillion Trusted Source in 2019. However, despite this expenditure, people in the United States have a lower life expectancy than people in other developed countries. This is due to various factors, including access to healthcare and lifestyle choices.