How smoking divides America — Harvard Gazette

How smoking divides America — Harvard Gazette

Health How smoking divides America Ellen Meara. Niles Singer/Harvard Staff Photographer Alvin Powell Harvard Staff Writer February 2, 2026 5 min read Mapping the midlife effects of a lethal habit New research isolates an old foe — smoking — as the principal culprit behind U.S. midlife mortality gaps defined by place and education. Working with colleagues from Dartmouth, the University of Pennsylvan…