An interesting study suggests that soft foods (notably porridge and gruel) have shaped our facial equipment, enabling us to incorporate 'v' and 'f' sounds in our languages(https://www.theguardian.com/science/2019/mar/14/soft-foods-helped-humans-form-f-and-v-sounds-research). The more substantial diets of hunter-gatherers apparently rarely incorporates these 'baby sounds'.
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