Remarkable progress has been made over the last century in enhancing public health, driven largely by advances in science, medicine and our understanding of how disease manifests in the human body. As a result, the average life expectancy doubled during the 20th century.
{iframe}http://www.forbes.com/sites/matthewherper/2016/03/07/five-ways-innovation-is-advancing-public-health/#999d80f2e2ef{/iframe}