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Skull anatomy images provided by Kenhub. To learn more about the anatomy of the human body, check out their awesome learning materials: https://bit.ly/2Rz3SZl
If you’re interested in this topic and how to properly “mew” (practice good oral posture and other habits that encourage good facial development), check out the Orthotropics channel: https://bit.ly/2DciWp0
One thing missing from this discussion is the health impacts of having good oral posture. Considering the airway is at the back of the face, having a receded chin or maxilla could hinder your airway, having big implications for sleep apnea.
Clarification on the title: I of course don’t mean to suggest that attractiveness depends *only* on tongue posture. Nutrition of the mother and nutrition of the person during formative years surely play a very large role in how the face develops. In fact, the book Nutrition and Physical Degeneration would suggest that; fat soluble vitamins being very important for fertility and proper development of young, with grains & sugar (“modern foods”) being very detrimental for development and oral health especially.
Oral posture would be another piece of the puzzle.
NOTE ON SUTURE FUSION: I wish I had used the phrasing “these sutures are not *completely* fused together,” or “sutures are not *completely closed* …” It’s understood that after birth, the sutures of the skull “fuse” together by age 2 or so. One study found that complete closure of certain sutures does not occur until as late as 70 years old. Another found that “The human frontozygomatic suture undergoes synostosis during the eigth decade of life, but does not completely fuse by the age of 95 years” based on 61 human cadavers aged 20 to 95.
This topic with a focus on facial development’s affect on respiration and sleep apnea is discussed in Dr. Felix Liao’s “Six Foot Tiger, Three Foot Cage” – https://amzn.to/2WMpPGk
Another great book not mentioned in the video is “Jaws: The Story of a Hidden Epidemic” – https://amzn.to/2HVJoIR
Weston Price’s “Nutrition and Physical Degeneration” – https://amzn.to/2HZTB7f
PDF of the transcript with links to sources: https://www.patreon.com/posts/24534404