Tue, 05 May 2026 09:44:44 +0000

The Shocking History Behind the Rule of Nines You Never Learned in School Every medical student learns the Rule of Nines—a simple but critical guideline for calculating burn surface area—but few realize this widely taught system has a surprisingly dark and dramatic history rooted in war, trauma, and medical innovation. Far more than just a mnemonic, the Rule of Nines emerged from harrowing battlefield realities and evolved through decades of scientific refinement. Here’s the shocking truth behind this essential medical rule you never learned in school. --- ### Origins in the Fire of War: Burn Injuries and Survival Needs