Gruner’s 1930 English Canon Book I prints venesection and depletion as therapy
In 1930 O. Cameron Gruner issued A Treatise on the Canon of Medicine of Avicenna, an English presentation of Book I now scanned on Internet Archive. It prints humoral crisis, evacuation, and venesection as ordinary therapy. In the causal graph this event weakens Health-System Capacity, a driver that strengthens Hospital beds (per 1,000 people) — a worsening welfare path.
Read the full account
In 1930 O. Cameron Gruner issued A Treatise on the Canon of Medicine of Avicenna, an English presentation of Book I now scanned on Internet Archive. It prints humoral crisis, evacuation, and venesection as ordinary therapy. Avicenna did not typeset 1930 London. The row stores the English depletion heading, not a 1025 autograph bleed list.
Context
Latin faculties had already taught evacuation for centuries. Gruner made the same heading readable without Latin. Later bedside harm from routine bleeding is a reception path with lag; this catalog does not invent a death tally. Split any observational case-writing onto an improving row.
Avicenna is not the sole author of every later object, law, or museum label that uses the name. Shared work with courts, excavators, printers, spouses, officials, and later states does not erase a documented role, and it does not make an ancient person the signer of a twentieth-century statute.
Why it matters
High confidence on the 1930 text, medium on any one later clinic.
Who was responsible
Contribution type and responsibility level for each recorded actor — not sole-author shorthand.
Avicenna
PersonDirect responsibility
responsibility level 0.4 · verified
Named physician-philosopher as heading of later editions, faculties, and commemorations. Printers, faculties, and agencies publish the instrument.
What changed
Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.
- FactGruner’s 1930 English Canon Book I prints venesection and depletion as therapy
- weakensDriverHealth-System Capacity
- strengthensIndicators (2)Hospital beds (per 1,000 people)
impact weight 0.55 · Effect from 1 January 1930 · verified
High confidence on the 1930 text, medium on any one later clinic.
Strengthens · Relationship strength 0.33 (weight 0.55 × strength 0.6)
Observed
3.08 Per 1000 people · 1.24 below the normal line (2023)
Worse than normal6 readings, 2018–2023: rose from 3.07 Per 1000 people to 3.08 Per 1000 people.
Above normal = better
Weakens · Relationship strength 0.28 (weight 0.55 × strength 0.5)
Observed
37.4 deaths per 1,000 live births · 12.4 above the normal line (2024)
Worse than normal7 readings, 2018–2024: fell from 40 deaths per 1,000 live births to 37.4 deaths per 1,000 live births.
Above normal = worse
Evidence
The sources behind this fact and its verification state.
- 1.Britannica — AvicennaEncyclopaedia Britannica · High credibility · verified
- 2.Gruner, A Treatise on the Canon of Medicine of Avicenna (1930) — scanInternet Archive · High credibility · verified
Causal path
How this event connects to drivers and indicators in the graph.
- ActorAvicenna
- contributed toFactGruner’s 1930 English Canon Book I prints venesection and depletion as therapy
- weakensDriverHealth-System Capacity
- strengthensIndicatorHospital beds (per 1,000 people)
Cite this page
Factrail. (2026). Gruner’s 1930 English Canon Book I prints venesection and depletion as therapy. Factrail. https://factrail.ai/facts/av-gruner-venesection-1930
https://factrail.ai/facts/av-gruner-venesection-1930
Accessed 16 October 2026.
By the Factrail desk · Method: how we source and score · Last reviewed
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