Why Early Humans Had Perfectly Straight Teeth

Ever wondered why our ancient ancestors had those pearly whites? Turns out, early humans enjoyed a diet that was tough and chewy, like nuts, roots, and raw meats, which helped keep their chompers in tip-top shape. Plus, they didn't have access to the sugary snacks and processed foods we do today, so their teeth didn't have to battle cavities like ours do. Oh, and let's not forget about good ol' natural selection those with straighter teeth likely had a better chance of survival and finding a mate. And last but not least, they didn't have braces or orthodontists to mess with their smile game it was all au naturel, baby!

Credit:
Turkana Boy: Claire Houck from New York City, USA, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0/, https://commons.wikimedia.org/wiki/File:Turkana_Boy.jpg
Homo neanderthalensis: Tiia Monto, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/, https://commons.wikimedia.org/wiki/File:Homo_neanderthalensis.jpg
CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/:
Homo Erectus Turkana: Akrasia25, https://commons.wikimedia.org/wiki/File:Homo_Erectus_Turkana.jpg
Homo-erectus: Neanderthal Museum, https://commons.wikimedia.org/wiki/File:Homo-erectus_Turkana-Boy_(Ausschnitt)_Fundort_Nariokotome,_Kenia,_Rekonstruktion_im_Neanderthal_Museum.jpg
La Ferrassie: Thilo Parg, https://commons.wikimedia.org/wiki/File:La_Ferrassie_1_MdlH_1_2018-10-20.jpg

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