Why Speech is the Achilles’ Heel of the Human Race

This article appeared originally on KevinMD. The Greek hero of the Trojan war, Achilles, had only one vulnerable area on his body—his heel. Similarly, modern humans also have a vulnerable part of the our anatomy, the upper airway, which simultaneously accommodates for breathing, swallowing, and speaking. The ability to talk, however, came at a price. […]