DIABETES BEFORE AND AFTER INSULIN
Level 5 - mechanism / opinion, no new human data
Level 5 by design analogy: historical memoir and narrative commentary without structured empirical data.
OpenAlex W2168900317 · doi:10.1017/s0025727300017750
What was done
The author provides a historical narrative and personal memoir reflecting on the 50th anniversary of the 1921 discovery of insulin at the University of Toronto, recounting direct observations and anecdotal cases of diabetes management and fatal complications in the pre-insulin era.
What was found
The abstract reports no quantitative experimental or statistical data. It describes three personal historical anecdotes illustrating pre-insulin clinical outcomes: an older man who died following untreatable diabetic foot gangrene; his daughter who died from concurrent diabetes and tuberculosis; and a young girl managed with the Allen starvation diet who subsequently died in a diabetic coma.
Why it matters
It provides first-hand historical context on the extreme morbidity and mortality of diabetes prior to insulin therapy, illustrating the clinical reality that made the discovery of insulin revolutionary.
Limits
This is an informal historical recollection and narrative reflection rather than an empirical investigation. The evidence consists entirely of anecdotal recall of three individual cases, with no systematic data collection, standardized clinical records, or quantitative outcomes reported.
Cited by
- supports Carbohydrate restriction was used at the Joslin clinic in the 1900s and early 1920s to treat type 1 diabetes before insulin was developed.