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Karl Johnson

Karl Johnson is a faculty member at the UNC Gillings School of Global Public Health. His scholarly interests include the role of faith communities in advancing community health, the use (and abuse) of technology in society, and the environmental determinants of mental illness and substance misuse. He and his family live and worship in Chapel Hill, North Carolina.

Articles by Karl Johnson

Public Health and the Machine

Since the birth of public health in nineteenth-century rationalism, the profession has been tempted by gnostic seductions.
February 20, 2026