Obituary Henry Day Br Med J 1881; 1 doi: https://doi.org/10.1136/bmj.1.1069.1029 (Published 25 June 1881) Cite this as: Br Med J 1881;1:1029 Article Related content Metrics Responses Peer review Related articles No related articles found. See more River blindness in East Africa: gains and losses BMJ January 21, 2020, 368 m155; DOI: https://doi.org/10.1136/bmj.m155 Association of ideal cardiovascular health at age 50 with incidence of dementia: 25 year follow-up of Whitehall II cohort study BMJ August 07, 2019, 366 l4414; DOI: https://doi.org/10.1136/bmj.l4414 Genetic predisposition to increased serum calcium, bone mineral density, and fracture risk in individuals with normal calcium levels: mendelian randomisation study BMJ August 01, 2019, 366 l4410; DOI: https://doi.org/10.1136/bmj.l4410 Dietary fats and mortality among patients with type 2 diabetes: analysis in two population based cohort studies BMJ July 02, 2019, 366 l4009; DOI: https://doi.org/10.1136/bmj.l4009 Physical activity trajectories and mortality: population based cohort study BMJ June 26, 2019, 365 l2323; DOI: https://doi.org/10.1136/bmj.l2323