unSILOed with Greg LaBlanc

Why Our Teeth Don't Fit in Our Mouths feat. Alex Bezzerides

07 Jul 2022

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From bad teeth to appendix surgeries, it seems like our bodies are breaking down in modern times. So how has society and evolution changed how our bodies work?Alex Bezzerides is a professor of biology at Lewis-Clark State College in Idaho, where he teaches a wide range of biology classes, from human anatomy and physiology to entomology. He is also the author of “Evolution Gone Wrong: The Curious Reasons Why Our Bodies Work (Or Don't).”In this episode, Greg and Alex cover bipedalism and its baggage, sore feet and back pain, snoring and sleep apnea and other bodily quirks. Episode Quotes:Evolution and the rise of C-sections First, you have the bipedal issue, which did change the shape of the birth canal. That's the first piece of the difficulty of birth puzzle. And then the brain gets, triples in size, in that period of time from 5 million years to a couple of millionyears ago. And then with modern nutrition, you're able to feed that fetus in a way that it's never been fed before. So the women can develop and grow this child that is bigger than it's ever been. You put all that in the stew and mix it together and you've got a problem. Timeline of human speechSomewhere around 50,000 years ago is when the modern head and neck comes into place. That means for most of the time humans have been humans, they weren't capable of the type of speech that they are now.Why are feet are sore all the timeIt used to make sense for our feet, right? When they needed to be nimble and grabbing branches, doing all these things. But now it's just a mess. You got all these bones down there that are just pounding the earth, which is not what they were made to do. And they slip and slide and sprain.Show Links:Recommended Resources:Optima for Animals by R. McNeill Alexander Consider the Fork: A History of How We Cook and Eat by Bee WilsonBecoming Dr. Q: My Journey from Migrant Farm Worker to Brain Surgeon Paperback by Alfredo Quiñones-Hinojosa Jeremy DeSilva | Department of AnthropologyFastest 100 m running on all fours - Guinness World RecordsHolly Dunsworth – Department of Sociology and AnthropologyGuest Profile:Faculty Profile at Lewis Clark State CollegeAlex Bezzerides’ WebsiteAlex Bezzerides on TwitterHis Work:Evolution Gone Wrong: The Curious Reasons Why Our Bodies Work (Or Don't) Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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13:00H | 21 DIC 2025 | Fin de Semana

01 Jan 1970

Fin de Semana

10:00H | 21 DIC 2025 | Fin de Semana

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12:00H | 20 DIC 2025 | Fin de Semana

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Fin de Semana

2ª PARTE | 06 ENE 2026 | EL PARTIDAZO DE COPE

01 Jan 1970

El Partidazo de COPE

3ª PARTE | 22 ENE 2026 | EL PARTIDAZO DE COPE

01 Jan 1970

El Partidazo de COPE

3ª PARTE | 04 MAR 2026 | EL PARTIDAZO DE COPE

01 Jan 1970

El Partidazo de COPE

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unSILOed with Greg LaBlanc

Why Our Teeth Don't Fit in Our Mouths feat. Alex Bezzerides

This episode hasn't been transcribed yet

Other recent transcribed episodes

13:00H | 21 DIC 2025 | Fin de Semana

10:00H | 21 DIC 2025 | Fin de Semana

12:00H | 20 DIC 2025 | Fin de Semana

2ª PARTE | 06 ENE 2026 | EL PARTIDAZO DE COPE

3ª PARTE | 22 ENE 2026 | EL PARTIDAZO DE COPE

3ª PARTE | 04 MAR 2026 | EL PARTIDAZO DE COPE

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