After the 1960s, children in rural Oaxaca developed shorter, rounder heads and narrower faces. This is likely related to:

Question

Quizplus · Accepted Answer

The change in head shape is likely related to the introduction of softer and more processed corn and other foods in the diet, which may have resulted in changes to chewing patterns and decreased jaw muscle use during development. There is no evidence to suggest that this change is related to increased intelligence or higher protein intake.

After the 1960s, Children in Rural Oaxaca Developed Shorter, Rounder