Uploaded April 2025 | Updated September 2026, 2 weeks ago
What really causes obesity? Is it just a lack of willpower, or do genetics and the environment play a larger role? Calorie-dense foods, hormonal changes, genetic predispositions, and cultural habits all contribute to weight gain - or loss. Scientific research highlights the roles of metabolism, portion sizes, accessibility, and even gut bacteria in shaping behaviors and body weight.
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Adam Berry, Alfred Holzheu, Anca Ilea, Andreea Manolica, ArkiTechy, Arlene Weston, azad bel, Badrah, bars, Bradley Kilmovitch, Carmina Marinca, Cedric.Wang, Christoph Becker, Coach Moteib, Cory McAbee, Delandric Webb, Dr. Matthias Müller-Mellin, Duane Bemister, Elias Reuss, Eva Marie Koblin, F J V Souza Fh, Frank Fox, Gerardo Enrique Nieto, Granson, Heart of Texas Play Therapy, LLC, Hugo Palma, Izzy, Jeffrey Cassianna, Jim Pilgrim, Joanne Doyle, Jose Manuel Rodrigues, Julia, Kamran Razvan, Karen Byrne, Kevin Deasy, Kristina Potočnik, Leonel, Liam Dalling, Linda Kinkead, Lorena, Louricha Opina-Tan, Lucia Simone Winston, Marcel, Marwa Atteya, Mathias Hemetsberger, Meo Chan, Mezes.Macko, Michael Paradis, Michel Kuhne, MzE, Oweeda Newton, Pablo, Patson_Lim, Raymond Fujioka, sameerr M, scripz, Sigrid, SleepySl0th, Stefan Gros, Super Mario, susan gatt, Taka Kondo, The Wermat Productions, Yassine Hamza, Yvonne Clapham, 헤롱 헤롱 and all the others.Thank you! To join them visit patreon.com/sprouts
COLLABORATORS
Script: Jonas Koblin and Ludovico Saint Amour di Chanaz, PhD
Cartoon artist: Pascal Gaggelli
Producer: Selina Bador
Voice artist: Matt Abbott
Coloring: Nalin
Editing: Peera Lertsukittipongsa
Sound Design: Miguel Ojeda
Publishing: Vijyada Songrienchai
SOUNDTRACKS
Embarrassing Moment - Jack Pierce
Cheeky Plum Fairy - Shaun Frearson
Quiet Quaint - Jack Pierce
On https://sproutsschools.com, you'll soon also find:
-All our sources
-Ideas for a classroom project on the topic
-The full script, core graphics, and additional resources
-The video without background music (good for divergent minds)
CHAPTERS
00:00 Common assumptions
00:12 Simple math
00:34 Food quality
00:56 Willpower myth
01:32 Genetic blueprint
02:03 Genetic conditions
03:03 Environmental triggers
03:37 Cultural influence
05:17 Microbiome matters
06:55 Share your story
07:15 Sprouts book promo
07:46 Ending
08:03 Patrons credits
#sproutsschools #obesity #health #learning #food #metabolism
What really causes obesity? Is it just a lack of willpower, or do genetics and the environment play a larger role? Calorie-dense foods, hormonal changes, genetic predispositions, and cultural habits all contribute to weight gain - or loss. Scientific research highlights the roles of metabolism, portion sizes, accessibility, and even gut bacteria in shaping behaviors and body weight.
JOIN us as a Youtube member for special perks: ❤️
youtube.com/channel/UC-RKpEc4eE9PwJaupN91xYQ/join
SUPPORT our mission to create free video lessons on Patreon: ❤️
patreon.com/sprouts
FOLLOW us on facebook: 👍
facebook.com/sprouts.schools
DISCOVER more Sprouts Channels and our other projects here: ✨
bio.link/sprouts
1,000 THANKS to our patrons and members who made this video possible: 🙏
Adam Berry, Alfred Holzheu, Anca Ilea, Andreea Manolica, ArkiTechy, Arlene Weston, azad bel, Badrah, bars, Bradley Kilmovitch, Carmina Marinca, Cedric.Wang, Christoph Becker, Coach Moteib, Cory McAbee, Delandric Webb, Dr. Matthias Müller-Mellin, Duane Bemister, Elias Reuss, Eva Marie Koblin, F J V Souza Fh, Frank Fox, Gerardo Enrique Nieto, Granson, Heart of Texas Play Therapy, LLC, Hugo Palma, Izzy, Jeffrey Cassianna, Jim Pilgrim, Joanne Doyle, Jose Manuel Rodrigues, Julia, Kamran Razvan, Karen Byrne, Kevin Deasy, Kristina Potočnik, Leonel, Liam Dalling, Linda Kinkead, Lorena, Louricha Opina-Tan, Lucia Simone Winston, Marcel, Marwa Atteya, Mathias Hemetsberger, Meo Chan, Mezes.Macko, Michael Paradis, Michel Kuhne, MzE, Oweeda Newton, Pablo, Patson_Lim, Raymond Fujioka, sameerr M, scripz, Sigrid, SleepySl0th, Stefan Gros, Super Mario, susan gatt, Taka Kondo, The Wermat Productions, Yassine Hamza, Yvonne Clapham, 헤롱 헤롱 and all the others.Thank you! To join them visit patreon.com/sprouts
COLLABORATORS
Script: Jonas Koblin and Ludovico Saint Amour di Chanaz, PhD
Cartoon artist: Pascal Gaggelli
Producer: Selina Bador
Voice artist: Matt Abbott
Coloring: Nalin
Editing: Peera Lertsukittipongsa
Sound Design: Miguel Ojeda
Publishing: Vijyada Songrienchai
SOUNDTRACKS
Embarrassing Moment - Jack Pierce
Cheeky Plum Fairy - Shaun Frearson
Quiet Quaint - Jack Pierce
On https://sproutsschools.com, you'll soon also find:
-All our sources
-Ideas for a classroom project on the topic
-The full script, core graphics, and additional resources
-The video without background music (good for divergent minds)
CHAPTERS
00:00 Common assumptions
00:12 Simple math
00:34 Food quality
00:56 Willpower myth
01:32 Genetic blueprint
02:03 Genetic conditions
03:03 Environmental triggers
03:37 Cultural influence
05:17 Microbiome matters
06:55 Share your story
07:15 Sprouts book promo
07:46 Ending
08:03 Patrons credits
#sproutsschools #obesity #health #learning #food #metabolism
![Why Are We Violent? [Social Learning Theory]](https://i.ytimg.com/vi/PiBztasqPzo/mqdefault.jpg "Why Are We Violent? [Social Learning Theory]
Human violence is often debated as either innate or learned behavior. This video explores aggression through the lens of psychology, the World War 1 Christmas Truce, and Robert Sapolsky’s baboon study, showing how the environment shapes social behavior. By examining the cycle of violence, social learning, and biological influences, it highlights why aggression persists and how peaceful cooperation can emerge. Understanding human behavior helps us reflect on whether violence is part of our nature or something we can change through culture and environment.
SUPPORT our mission to bring engaging video lessons into classrooms!👩🏽🎓👨🏻🎓: https://www.patreon.com/sprouts
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Chinese 🇨🇳: https://www.youtube.com/channel/UCbWqAbkBTmfnB8uo78ttVcw
Turkish 🇹🇷: https://www.youtube.com/channel/UCl9hDr2QSwtFeyMeXNQ_sdQ
Russian 🇷🇺: https://www.youtube.com/channel/UCrQkGkkhUP5vPlOZ0Excn0Q
Romanian 🇷🇴: https://www.youtube.com/channel/UClQ5KNzOhc2ZPn08HcyId1Q
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Italian 🇮🇹: https://www.youtube.com/channel/UCpiI2N_0GZQ63OL3VK4lHXg
Esperanto 🏴: https://www.youtube.com/channel/UCoXZfW6CH_NBl8OemOscwrA
Portuguese 🇵🇹: https://www.youtube.com/channel/UCwu4qa1iaDnnllhrPMnR3Ww
Korean 🇰🇷: https://www.youtube.com/channel/UC6BHbb_erJpc549lUtIUF0A
Indonesian 🇮🇩: https://www.youtube.com/channel/UClnjfwzY-DsFcnCPQj1iYIw
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THANKS to our patrons
This video was made with the support of our Patrons: Adam Berry, Alex Rodriguez, Alfred Holzheu, Amal Chaudhuri, Andy Langran, ArkiTechy, Artur, azad bel, Badrah, Bev Carlton, Bradley Klimovitch, Carmina Marinca, Cedric.Wang, Chou Ethan, Christoph Becker, cnotv, Conrado ZAVALA, Cory McAbee, Cynthia Guidry, David Markham, Delandric Webb, Digital INnov8ors, Dogsbody, Dr. Matthias Müller-Mellin, Duane Bemister, Elias Reuss, Eva Marie Koblin, F J V Souza Fh, Fanny Ng, Floopy, foma solar, Galina D, Gerardo Enrique Nieto, Giuseppe, Guinness Siu, Heart of Texas Play Therapy, LLC, Izzy, Jamie, Jeffrey Cassianna, Jeffrey pwork, Jennelyn Blyth, Jim Pilgrim, Jing Wu, Joanne Doyle, John Burghardt, John Hui, John Schinter, Jon Rune Nygård, joost derwig, Jose E. Suarez, Jose Manuel Rodrigues, Julia Birkholz, jun omar ebdane, Karen Byrne, Kevin Deasy, Leonel, Liam Dalling, Linda Kinkead, Linus Linderoth, Lucia Simone Winston, M. Allen, Mambo no 9, Manuel Baekhau, Marcel, martin, Mathis Nu, Meo Chan, Mezes.Macko, Michael Paradis, Natalie O’Brien, Okan Elibol, Oweeda Newton, Pantea Fard, Peter Daniel Poh, Peihui, RAPHAEL GREEN, Raymond Fujioka, Rikki, SAMAR ABDULKADER DAKAK BADAWI, Sameerr M, scripz, Sebastian Huaytan Meder, Sejden, Sigrid, Solongo Ganbat, Stefan Gros, Sven Lange, Suppasit Srisaeng, T Franklin, Taka Kondo, Takashi HIROSE, Tammy Frazier, Tang Chun, Thomas Aschan, Thomas Dahlke, Trevor B, Yassine Hamza, Yvonne Clapham, 헤롱 헤롱 and all the others.Thank you! To join them visit www.patreon.com/sprouts
COLLABORATORS
Script: Ludovico Saint Amour di Chanaz and Jonas Koblin
Artist: Pascal Gaggelli
Voice: Matt Abbott
Coloring: Nalin
Editing: Peera Lertsukittipongsa
Production: Selina Bador
Sound Design: Miguel Ojeda
SOUNDTRACKS
Magical Keys - Studio Le Bus
Friendly Phantom - Shaun Frearson
Animated World - Crescent Music
Embarrassing Moment - Jack Pierce
On http://sproutsschools.com, you will also find:
- All our sources
- Ideas for a classroom project on the topics
- The full script, core graphics and additional resources
- The video without background music (good for divergent minds)
CHAPTERS
00:00 Christmas truce 1914
00:23 Understanding violence
00:50 Modern societies change
01:04 Sapolsky’s Baboon study
01:38 Aggressive males’ demise
02:30 Sapolkely’s conclusion
03:00 Behavioral influence complexity
03:23 What do you think?
03:42 Ending
03:55 Patrons credits
#sproutsschools #psychology #humanbehavior #violence #socialbehavior #evolution #aggression #behaviorscience #robertsapolsky")
![The 4 Stages of Adaptation [Culture Shock]](https://i.ytimg.com/vi/PrbzuV2Paw0/mqdefault.jpg "The 4 Stages of Adaptation [Culture Shock]
When we move to another country, we are often exposed to a culture different from ours and need to go through four stages of transition: Honeymoon, frustration, adjustment, and adaptation. Some people are excited about the foreign culture for months, and others start to get frustrated on day one. And then there are those who experience a culture shock that is so strong that they leave before adjusting.
SUPPORT our mission to bring engaging video lessons into classrooms!👩🏽🎓👨🏻🎓https://www.patreon.com/sprouts
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Spanish 🇪🇸: https://www.youtube.com/channel/UCf_PS8-T1w_VT1Kz-9G0nHw
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Chinese 🇨🇳: https://www.youtube.com/channel/UCbWqAbkBTmfnB8uo78ttVcw
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Russian 🇷🇺: https://www.youtube.com/channel/UCrQkGkkhUP5vPlOZ0Excn0Q
Romanian 🇷🇴: https://www.youtube.com/channel/UClQ5KNzOhc2ZPn08HcyId1Q
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French 🇫🇷: https://www.youtube.com/channel/UCGj6ZcECjYQtmPJNzV8jYtw
Italian 🇮🇹: https://www.youtube.com/channel/UCpiI2N_0GZQ63OL3VK4lHXg
Esperanto 🏴: https://www.youtube.com/channel/UCoXZfW6CH_NBl8OemOscwrA
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Indonesian 🇮🇩: https://www.youtube.com/channel/UClnjfwzY-DsFcnCPQj1iYIw
DOWNLOAD video without ads and background music 🤫:
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JOIN us on discord 🤖:
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THANKS to our patrons
This video was made with the support of our Patrons: Adam Berry, Alfred Holzheu, Anil Raut, ArkiTechy, Artur, azad bel, Badrah, Bradley Klimovitch, Cedric.Wang, Christoph Becker, cnotv, Cory McAbee, David Markham, Delandric Webb, Digital INnov8ors, Dr. Matthias Müller-Mellin, Duane Bemister, Elias Reuss, Eva Marie Koblin, F J V Souza Fh, Gerardo Enrique Nieto, Heart of Texas Play Therapy, LLC, Izzy, jakob steensig, Jeffrey Cassianna, Jim Pilgrim, Joanne Doyle, jun omar ebdane, Leonel, Liam Dalling, Linda Kinkead, Linus Linderoth, Lucia Simone Winston, M. Allen, Mambo no 9, Marcel, María, martin, Martin Streule, Martina Hrebenarova, Mathis Nu, Mezes.Macko, Michael Paradis, Natalie O’Brien, Okan Elibol, Oweeda Newton, Peihui, Povilas Ambrasas, Raymond Fujioka, SAMAR ABDULKADER DAKAK BADAWI, scripz, Sigrid, Solongo Ganbat, Stefan Gros, Suppasit Srisaeng, Taka Kondo, Takashi HIROSE, Tammy Frazier, Thomas Aschan, Yassine Hamza, Yvonne Clapham and all the others.Thank you! To join them visit www.patreon.com/sprouts
COLLABORATORS
Script: Ludovico Saint Amour di Chanaz and Jonas Koblin
Artist: Pascal Gaggelli
Voice: Matt Abbott
Coloring: Nalin
Editing: Peera Lertsukittipongsa
Production: Selina Bador
Sound Design: Miguel Ojeda
SOUNDTRACKS
Friendly Phantom - Shaun Frearson
Bollywood Entrance - Brightside Studio
Embarrassing Moment - Jack Pierce
DIG DEEPER with these top videos, games and resources:
Read about a study on cultural adaptation in 50 countries
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4507515/
Read about ow culture shock can happen in all spheres of life
https://pubmed.ncbi.nlm.nih.gov/9283344/
Read about the Reverse Culture shock and the loss of identity that ensues
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9948652/
Read the original research by Lysgaard
https://unesdoc.unesco.org/ark:/48223/pf0000033837
SOURCES
https://en.wikipedia.org/wiki/Culture_shock
https://en.wikipedia.org/wiki/Kalervo_Oberg
https://en.wikipedia.org/wiki/Paris_syndrome
https://pubmed.ncbi.nlm.nih.gov/9772322/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9120592/
CLASSROOM ACTIVITY
Visit our website to access recommended activity for classroom on this topic.
CHAPTERS
00:00 Introduction
00:35 Honeymoon Bliss
00:49 Frustration & culture shock
01:07 Adjustment & familiarity
01:23 Adaptation & mastery
01:59 The Paris syndrome
02:34 Reverse culture shock
02:53 Forced transition
03:12 Preschool anxiety
03:40 Lysgaard’s research
04:19 Your travel story
#sproutsschools #psychology #sociology #cultureshock #travel")
![Why Are Teens Tired In School [Changing Circadian Rhythms]](https://i.ytimg.com/vi/R57ocxW3faA/mqdefault.jpg "Why Are Teens Tired In School [Changing Circadian Rhythms]
When children become teenagers, hormonal changes shift their circadian rhythm—they get tired later. Since schools typically dont adapt to their new natural sleep cycle, they often get less sleep during weekdays, affecting their memory retention, emotional well-being, and health. If we want teenagers to learn and prosper, schools could do what sounds so simple, adjust their start times to the biological rhythms of their students.
SUPPORT us to understand the new generation better!
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Check out Sprouts Channels in other languages:
Spanish 🇪🇸: https://www.youtube.com/channel/UCf_PS8-T1w_VT1Kz-9G0nHw
German 🇩🇪: https://www.youtube.com/channel/UCACKzLYxdIRKEcWqiA3o-BQ
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Chinese 🇨🇳: https://www.youtube.com/channel/UCbWqAbkBTmfnB8uo78ttVcw
Turkish 🇹🇷: https://www.youtube.com/channel/UCl9hDr2QSwtFeyMeXNQ_sdQ
Russian 🇷🇺: https://www.youtube.com/channel/UCrQkGkkhUP5vPlOZ0Excn0Q
Romanian 🇷🇴: https://www.youtube.com/channel/UClQ5KNzOhc2ZPn08HcyId1Q
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French 🇫🇷: https://www.youtube.com/channel/UCGj6ZcECjYQtmPJNzV8jYtw
Italian 🇮🇹: https://www.youtube.com/channel/UCpiI2N_0GZQ63OL3VK4lHXg
Esperanto 🏴: https://www.youtube.com/channel/UCoXZfW6CH_NBl8OemOscwrA
Portuguese 🇵🇹: https://www.youtube.com/channel/UCwu4qa1iaDnnllhrPMnR3Ww
Korean 🇰🇷: https://www.youtube.com/channel/UC6BHbb_erJpc549lUtIUF0A
Indonesian 🇮🇩: https://www.youtube.com/channel/UClnjfwzY-DsFcnCPQj1iYIw
DOWNLOAD video without ads and background music 🤫:
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VISIT our website 🌐:
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CONTRIBUTE by upvoting your favorite topic or suggesting new ones 🔊:
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JOIN us on discord 🤖:
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THANKS to our patrons
This video was made with the support of our Patrons: Adam Berry, Alfred Holzheu, Anil Raut, ArkiTechy, Artur, azad bel, Badrah, Cedric.Wang, Christoph Becker, cnotv, Cory McAbee, David Markham, Delandric Webb, Digital INnov8ors, Dr. Matthias Müller-Mellin, Duane Bemister, Elias Reuss, Eva Marie Koblin, F J V Souza Fh, Gerardo Enrique Nieto, Heart of Texas Play Therapy, LLC, Izzy, jakob steensig, Jeffrey Cassianna, Jim Pilgrim, Joanne Doyle, jun omar ebdane, Leonel, Liam Dalling, Linda Kinkead, Linus Linderoth, Lucia Simone Winston, M. Allen, Mambo no 9, Marcel, María, martin, Martin Streule, Martina Hrebenarova, Mathis Nu, Mezes.Macko, Michael Paradis, Natalie O’Brien, Okan Elibol, Oweeda Newton, Peihui, Povilas Ambrasas, Raymond Fujioka, SAMAR ABDULKADER DAKAK BADAWI, scripz, Solongo Ganbat, Stefan Gros, Suppasit Srisaeng, Taka Kondo, Takashi HIROSE, Thomas Aschan, Yassine Hamza, Yvonne Clapham and all the others.Thank you! To join them visit www.patreon.com/sprouts
COLLABORATORS
Script: Ludovico Saint Amour di Chanaz and Jonas Koblin
Artist: Pascal Gaggelli
Voice: Matt Abbott
Coloring: Nalin
Editing: Peera Lertsukittipongsa
Production: Selina Bador
Sound Design: Miguel Ojeda
SOUNDTRACKS
Toys Are Alive - Studio Le Bus
Embarrassing Moment - Jack Pierce
DIG DEEPER with these top videos, games and resources:
Read this paper showing that clock genes that regulate circadian rhythm also influence memory functions
https://pubmed.ncbi.nlm.nih.gov/37264172/
Read about how teenagers have changes in their circadian rhythm
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2820578/
Read the full story about how Seattle schools helped teenagers get more sleep
https://www.washington.edu/news/2018/12/12/high-school-start-times-study/
SOURCES
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4702443/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2820578/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4304769/
https://en.wikipedia.org/wiki/Circadian_rhythm
CLASSROOM ACTIVITY
Visit our website to access recommended activity for classroom on this topic
CHAPTER
00:00 Introduction
00:18 Circadian Rhythms
00:32 Hormones’ Roles
01:06 Circadian Shifts
01:17 Social jet lag
01:51 Affect on teenagers
02:32 Stress, sleep and mental health
03:11 Possible solution
03:24 Seattle schools’ success
03:50 What do you think?
04:06 Ending
04:20 Patrons credits
#sproutsschools #sleep #teenagers #neuroscience #learn")
