How does your body know you're full? - Hilary Coller

  • Published on Nov 13, 2017
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    Hunger claws at your belly. It tugs at your intestines, which begin to writhe, aching to be fed. Being hungry generates a powerful and often unpleasant physical sensation that’s almost impossible to ignore. After you’ve reacted by gorging on your morning pancakes, you start to experience an opposing force: fullness. But how does your body actually know when you’re full? Hilary Coller explains.
    Lesson by Hilary Coller, directed by Sashko Danylenko.
    Thank you so much to our patrons for your support! Without you this video would not be possible.
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Comments • 881

  • TED-Ed
    TED-Ed  Year ago +263

    Thank you so much to everyone who has supported our nonprofit mission on Patreon! You make this work possible. Want to learn more about how you can get involved? Check out our Patreon page:

  • Portion #3214
    Portion #3214 8 days ago

    Well I a spinal cord patient so yeah sometimes I can eat and not stop..:)

  • Willi Billi
    Willi Billi 9 days ago

    what do we have for the cause of tinnitus?

  • S4L7Y
    S4L7Y 11 days ago

    I watched this while I was hungry lol

  • Assinine Syndrome
    Assinine Syndrome 28 days ago

    *Watches a Matt Stonie video for validation*

  • Goi Garg
    Goi Garg Month ago

    Our Creator is very intelligent

  • Abrielle Uy
    Abrielle Uy Month ago

    I learned a lot 😃

  • ChirpyBoat 73
    ChirpyBoat 73 Month ago

    What about you when you are asleep?

  • John Perez
    John Perez 2 months ago

    so whenever their is no food in you stomach you feel hungry then why am i not hungry in the morning

  • 노어나낭아아랄
    노어나낭아아랄 2 months ago


  • 노어나낭아아랄
    노어나낭아아랄 2 months ago

    우화화 희식식 남규규 ㅋㅋㅋㅋㅋㅋㅋ 와와오아외오어아쟈야챠애채채태내가랙개개샤샤ㅏㅍ ㅡㅡ트크마미지ㅣ자대다아갸갸ㅕㅓ허ㅓ처퍼처터ㅓ터투투추춫추추ㅜ투느나매배개샤ㅑ샤셔はh😍😘j♡jjㅓはひまはたさあはやさやさわさわさあさやさあはなさかはやさわさまはたらあさたらやさわはあさわらあさわらあさわらたはわはわはわしかあさたはくさまふきたらわはわらあさわはあはわ😘😋😘☺😘☺😘😘😊😇😊😇😊😘😀😅😁😅😃😆😃😆😃🤔😇🐷🐴🐂🐯🐴🐴🦁🐴🐃🐴🐃🐴🐂🐴🐴⛱⛱⛱⛱🐴🐴🐂🐴🐮🐴🐮🐴⛱⛱⛱⛱🚽🚽🚽🚽😘😍😎😎😋😋😋

  • Malainine Ebnou
    Malainine Ebnou 2 months ago

    The animation made me hungrier.

  • iActivateMC
    iActivateMC 2 months ago

    Most of the time, viewers eat while watching videos 😂

    Just like me eating a box of 24 cookies. I dont know why i extremely love them and eat all of them even if i am full 😂

  • Ք๏xყɢ¡гl ɢคണεг123

    May you do tummy aches

  • Alexis Boyd
    Alexis Boyd 3 months ago

    Im sooo hungry

  • Alexis Boyd
    Alexis Boyd 3 months ago

    My body is never full

  • ᴘʟᴀʏᴇʀ 1
    ᴘʟᴀʏᴇʀ 1 3 months ago

    y sometimes ehen im full i can still drink water but when i drink water before food i get full instantly

  • Ana, Minecraft, Avakin Life Si mai mult

    I sit in an odd position so I feel like I'm full when I'm not... It's kinda bad for me... I feel like I don't eat enough

  • Iceypumpkin head
    Iceypumpkin head 3 months ago

    Stomach: I hungry, u must Nom.

  • Lucas Zhu
    Lucas Zhu 3 months ago

    Why did you use sound effects?

  • Syn_70
    Syn_70 3 months ago

    So if I eat a 1.2kg spare ribs in 20 minutes I can get more?

  • Gerald Owusu
    Gerald Owusu 3 months ago

    Is the narrator the same as the host of TVclip channel its okay to be smart

  • TNT 104
    TNT 104 3 months ago


  • art kid
    art kid 4 months ago

    this was so cute

  • Lihan Rice-Field
    Lihan Rice-Field 4 months ago

    What happens if you’re always hungry?..... even after I become full, roughly 5 - 10 minutes later, I get hungry again.

  • Fallen Mango
    Fallen Mango 4 months ago

    There’s always a way to make simple things complicated. It’s called science.

  • My Mafia Videos
    My Mafia Videos 4 months ago

    2:22 That lightning speed animation is so funny 😂

  • PAÜL
    PAÜL 4 months ago

    My Brain is hungry for more!

  • jayla moore
    jayla moore 4 months ago

    corn shake gear endure participation ratio opponent huge mistake

  • leen fira
    leen fira 4 months ago

    Now I’m feeling hungry 💁‍♀️

  • ME 1
    ME 1 4 months ago +1

    How do you make these thing fun to watch?

  • casey trader
    casey trader 5 months ago

    My body knows I'm full when get that slightly suicidal self hate feeling.

  • ravi ch
    ravi ch 5 months ago +1

    The best channel

  • Medha Chavan
    Medha Chavan 5 months ago

    I feel that but i still continue

  • Mai
    Mai 5 months ago

    My body never knows it.

  • SauceReacts
    SauceReacts 5 months ago

    My brother eats at lightning speed unlike me.

  • GD Duhpowah
    GD Duhpowah 5 months ago

    It’s asmr time

  • Camile Griffiths
    Camile Griffiths 5 months ago

    Waw! The Hypothalamus is seriously important. It pops up almost every time something has to do with the brain.

  • LordTen
    LordTen 5 months ago

    When I eat quick I get full really quick for some reason

  • just gaming and some vlogs

    Best channel because vedios are educational and hd

  • IHeartGames
    IHeartGames 6 months ago

    *watching this during breakfast*

    LEGENDEY BIG BOSS 6 months ago

    I once ate around 30 progies. I love progies and I'm known as the progie king by my friends

  • Anna G
    Anna G 6 months ago

    Editor for Russian subtitles: Rostislav Hunger

  • Odderist unknown XXI
    Odderist unknown XXI 6 months ago

    While listening to this my stomach has been growling non stop :/

  • Star Gazer
    Star Gazer 6 months ago

    .W. .M.
    .W. .M.

  • Ren M
    Ren M 6 months ago

    Anyone else sad for the pancake??

  • Rimsha Khalid
    Rimsha Khalid 6 months ago

    My tummy was rumbling in my art exam

  • iMysticalMe Me
    iMysticalMe Me 6 months ago

    I feel hungry and then when I get food I take 1 bite and my stomach isn't hungry. Is this normal?

  • Thomas Hoekstra
    Thomas Hoekstra 6 months ago


  • Wong Kobe
    Wong Kobe 7 months ago +1

    Watching this while having a stomach ache 😰

  • Arman Akhtar
    Arman Akhtar 7 months ago

    I'm watching this while eating😁

  • Fc Barcelona 1
    Fc Barcelona 1 7 months ago

    I'm drinking water right now lol

  • allison wilson
    allison wilson 7 months ago

    Existing consume angle currency remaining out distinction alien train strong complaint baby.

  • Unknown
    Unknown 7 months ago +1

    What is this fullness you speak of?
    *Can I eat it*

  • Gervacio Tanghian IV
    Gervacio Tanghian IV 7 months ago

    Thank you!

  • Derppy Perp
    Derppy Perp 7 months ago

    I love your videos Ted ed

  • Uni Playz
    Uni Playz 7 months ago

    But I never feel hungry i have to eat though explain that

  • Turquoise Dream
    Turquoise Dream 7 months ago

    2:25-2:32 I don't know why I laughed so hard I cried

  • Turquoise Dream
    Turquoise Dream 7 months ago

    I didn't know that our stomachs have eyes and mouths!

  • Sathvik Malgikar
    Sathvik Malgikar 7 months ago

    He is a cannibal 0:07

  • Sathvik Malgikar
    Sathvik Malgikar 7 months ago

    0:07 he is a cannibal

  • [ Content Deleted ]
    [ Content Deleted ] 7 months ago

    2:23 im dead

  • 하가원
    하가원 8 months ago +1

    An excellent video if you ask me! I always
    wondered how our stomach gets hungry

  • RIRI
    RIRI 8 months ago

    This guys voice is so calming.
    I can learn in peace! :)

  • ChickenNuggets
    ChickenNuggets 8 months ago

    But I keep eating and eating and eating until my body expands to a balloon.
    Now I'm floating away

    KIRMIZI BONCUK 8 months ago

    Hilary remind me of
    Hi larry
    And I saw lepitn
    Copied lepin
    Which copied Lego

  • Brooke Villanueva
    Brooke Villanueva 8 months ago

    Representative stability ban goal fear huge tomato leather cast.

  • Carson Presson
    Carson Presson 8 months ago

    Make a video about what happened to the lost colony.

  • Max Allen
    Max Allen 8 months ago

    Jesus christ that sandwich

  • Max Allen
    Max Allen 8 months ago

    Watching this while eating pizza
    (P.S. I wish I could eat the whole box, but I have to save some for the fam.)
    😔 defeated

  • Max Games
    Max Games 8 months ago

    Who else got SUPER hungry while watching this video?

  • *1.25Speed on everything
    *1.25Speed on everything 9 months ago +1

    So I just ate *2 cans of tuna, a bag of quinoa, a bag of frozen vegetables(waited 5min)out of healthy food I eat 2 bagels, a Box of Carmel popcorn(family size), a tropical smoothie, and 5 peanut butter chocolate granola bars.* This took 45min... When I don't take adderall(adhd meds) I eat and continue eating until my jaw is sore☹

  • Douglas Roempke
    Douglas Roempke 9 months ago

    The intro made me hungry.

  • The Matadore
    The Matadore 9 months ago

    The animation actually made me laugh out loud 👍🏼

  • MLG Oatmeal
    MLG Oatmeal 9 months ago

    it doesn't
    [rolls out of the room]

  • Lukas Koller
    Lukas Koller 9 months ago

    ranch opposite breath peer change her correct retire career rise resident.

  • Heowa
    Heowa 9 months ago

    2:57: "agouti-related petide"...agouti-related? What does that mean? Because when I hear agouti, I think of those:

  • Positively Positive Girl

    2:27 bruh das me

  • Lenerd 124
    Lenerd 124 9 months ago

    Lol at 4:15 "Nope!"

  • Nina De Vos
    Nina De Vos 9 months ago

    Close white discussion fortune first benefit response inside Catholic origin mainstream online.

  • ButterScotch Gamer
    ButterScotch Gamer 9 months ago


  • Starrawrcakes
    Starrawrcakes 9 months ago

    dis is a good explain like I'm 5 even though I'm 3X that age. but you know what this is great.

  • Nome Qualquer
    Nome Qualquer 9 months ago

    I think we have two stomachs, one is for everything and the second one is just for french fries and ice cream, but your first stomach, the one where every food can go, is priority, so if you eat ice cream and french fries first you're going to be full but you won't eat the rest of the food, so first you need to eat all the normal food, to full your first stomach and then eat ice cream and french fries, (other foods like sushi can also be allowed in the second stomach)

  • علاوي الموسوي

    Arabic ?

  • Venice Pena
    Venice Pena 9 months ago

    I agree with this video because I personally experienced this kind of situation hahaha

  • Ches Cenizal
    Ches Cenizal 9 months ago

    And this, everyone is how you gain weight :D

  • Jules De Vos
    Jules De Vos 9 months ago

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    Joshua Booth 9 months ago

    Portfolio marry physical wealth reception due.

  • The Underrated Veteran
    The Underrated Veteran 10 months ago

    Thanks a lot.

  • Abdul AlJadani
    Abdul AlJadani 10 months ago

    What would happen if you ignored these hunger messages from your stomach? How would your brain and stomach respond to that?

  • Electron Resonator
    Electron Resonator 10 months ago

    4:09 even so, do not beat up you neighbor just because you're hungry

  • Electron Resonator
    Electron Resonator 10 months ago

    2:23 super deepthroat action !!

  • Kevin
    Kevin 10 months ago

    Wtf y does everyone hate crossants i love them. You sik. Also i am satisfied by them

    ΛᄃΣMΣMΣ 10 months ago +1

    Why do I feel full when I eat vegetables, then when I sense meat or pasta the feeling of fullness fades? T~T

  • Ponderer Of Pointless Dreams

    When I poop

  • Arno Dorian3
    Arno Dorian3 10 months ago

    How do i swallow a whole apple like that ?

  • Leslie Reyes
    Leslie Reyes 10 months ago

    I was wondering if you could do a video on why we cough because I have a terrible dry cough and i feel like I may not get rid of it but I was wondering if you could make a video on that please!!❤️

  • CCknows
    CCknows 10 months ago

    omfg how did i read 'how does your boss know you're full?' i thought this was going to be a riddle

  • JCA Net
    JCA Net 10 months ago +1

    Who watch this while eating

  • TypicalCancelation
    TypicalCancelation 10 months ago

    Everything looks so happy, or cute...