The macro and micro-level benefits of fitness on public health include reduced healthcare costs, improved quality of life, and lower rates of chronic diseases. Physically active populations tend to have lower instances of conditions such as obesity, heart disease, diabetes, and mental health disorders. On a macro level, increased fitness contributes to a more productive workforce and decreased absenteeism related to health issues. At the micro level, individuals experience enhanced well-being, improved mental health, and greater social interaction. Promoting fitness can create a healthier society, ultimately benefiting both individuals and communities alike.