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.
Evolutionary biologists have stated that speech and language development was detrimental to our health. Overdevelopment of our speech structures compromised our ...
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