What is Public Health? (Infographic) Chamberlain University (?) | Jan 22, 2018 Public health is the science of protecting and improving the health of families and communities through: Promotion of healthy lifestyles Research for disease and injury prevention Detection and control of diseases Public health is responsible for many aspects affecting global health, such as keeping our food and water supply safe, containing outbreaks of infectious diseases, informing policy-making and helping remove disparities in access to healthcare. Chamberlain's Master of Public Health (MPH) degree program is designed to challenge and change the way you think about the health of population groups, while preparing you to lead projects and teams that implement solutions for a diverse range of public health programs and policies. Visit chamberlain.edu/mph for more information.