Course Course Instructor Date Public Health PSA What Is Public Health Public health is the field that cares about the greater good of human beings. If this is not important, consider that millions of people are alive today because of public health initiatives, such as vaccination programs, motor vehicle safety laws, heathy lifestyles, occupational safety, family planning, and most importantly clean air and water standards. Public health constantly evolves to respond to the needs of populations and communities around the world. The mission underlying public health is improvement of the living conditions, lifestyles andbehaviours that affect health so that all people can enjoy heathy lives. Therefore public health as a mission not only includes development and implementation of public health policy, research into public health issues but also the training and education of future leaders to develop and translate public health research into practices and policies that improve the health of people nationally and globally (Schneider 4). Therefore, people who chose public health touchpeople and have a lasting positive effect on the lives of people, and promote healthy environment. Most importantly, public health work is a moral imperative. Why Is Public Health Important Public health addresses a broad range of