As millions of consumers and providers add data to patient EHRs, a multitude of data will become available for the greater good. Researchers can anonymize the data and combine it with a large database containing vast amounts of information about the health of the population at a community level, nationally,...

An example of a successful public health campaign: U.S. Office of War Information employees received free inoculations against smallpox, as well as diphtheria and typhoid, in Washington in 1943. Credit Agence France-Presse/Library of Congress The following originally appeared on The Upshot (copyright 2018, The New York Times Company). Funding for health campaigns is surprisingly low when...