How do carbohydrates impact your health? – Richard J. Wood

How Do Carbohydrates Impact Your Health? - Richard J. Wood

How Do Carbohydrates Impact Your Health? - Richard J. Wood

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How Do Carbohydrates Impact Your Health? - Richard J. Wood

How Do Carbohydrates Impact Your Health? - Richard J. Wood

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How Do Carbohydrates Impact Your Health? - Richard J. Wood

How Do Carbohydrates Impact Your Health? - Richard J. Wood

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How Do Carbohydrates Impact Your Health? - Richard J. Wood

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How Do Carbohydrates Impact Your Health? - Richard J. Wood

The things we eat and drink on a daily basis can impact our health in big ways. Too many carbohydrates, for instance, can lead to insulin resistance, which is a major contributor to cardiovascular disease and Type 2 Diabetes. But what are carbs, exactly? And what do they do to our bodies? Richard J. Wood explains.

Lesson by Richard J. Wood, animation by Qa'ed Mai.

How do carbohydrates impact your health? - Richard J. Wood

View full lesson:

The things we eat and drink on a daily basis can impact our health in big ways. Too many carbohydrates, for instance, can lead to insulin resistance, which is a major contributor to cardiovascular disease and Type 2 Diabetes. But what are carbs, exactly? And what do they do to our bodies? Richard J. Wood explains.

Lesson by Richard J. Wood, animation by Qa'ed Mai.


  1. Pasta Burrito donut burger sandwich sounds pretty good right now though

    • You mean:

      pasta sushi roll pitta burrito donut burger sandwich

      Coz I would like that on top of my pancake waffle chimichanga taco macaroni
      cheese potato fries pizza

    • OMG! Epic Meal Time should make this! I cant wai- oh yeah… Forgot…

    • +Lucky Abat What’s the point on living if i can’t have a pasta sushi roll
      pitta burrito donut burger sandwich!?

    • αυτός pwy 說話 многие ენები और ไป meðكثير nomina

      +Lucky Abat Great Scott!! *cue infomercial telemarketing* Warning: may
      attract hungry persons of the stoned variety–do consume with caution.

  2. can someone recommend my name to Ted-Ed as animator. You can check out my
    works on my channel :)

  3. god ,the animation is such to good

  4. Also, according to this video, is a high carb low fat diet dangerous?
    Because many vegans eat lots of carbs (fruits etc) and as little fats as

    • +4 leaf clover what they avoid is saturated fats, which come form animals,
      but the rest are pretty common in a vegan diet

    • +4 leaf clover Unfortunately this video is very lacking. It says nothing
      about the interaction effect of carbohydrates and animal fat. Whole food
      plant based diet has shown to reverse diabetes (type 2). Check out

    • +paulhm96 Actually there are low and no fat vegans. They follow diets from
      doctors like Esselstyn and Campbell. Vegan just means no animal
      exploitation, but even vegans living in the same households eat different
      types of vegan diets.

    • +Nia LaLa V just like everyone else… so assuming vegans means low fat is

  5. Draw dex (Drawdex)

    You guys should at least give out suggestions, since people’s diet could be
    well based on these foods, and with no replacement they would search for
    any other alternative, only to end up at the same place they once were,
    thinking they were fine.

    • +Herbert
      yes, you can choose to eat the staple foods of third world nations while
      they starve because they can not afford to compete with the prices your
      willing to pay. OR! you can choose to eat meat and let those third world
      countries.. not starve? they might suffer a little economically, but
      student loan debt is 1.4 trillion and we only have 1.3 trillion dollars
      actually printed in circulation so maybe the economy thing cant be avoided

    • +Frank Anderson LOL, what does that have to do with anything?? Do you
      really think me eating a vegan diet is the cause of starvation in third
      world countries? ARE YOU FOR REAL?
      Oh my god that hurts my brain.
      And in case you didn’t get it yet, most vegans are vegan because of the
      animals. Are we supposed to ignore their suffering and eat meat just
      because people don’t like our cause?

    • +Frank Anderson Give me proof that vegans are causing starvation in third
      world countries. I would be very interested to look at such studies. And
      you do know that meat consumption in third world countries is pretty high,

    • +Herbert
      please keep talking, your making all my points for me.

  6. Well, part of this is right, lowering consumption of refined forms of
    carbohydrates does help with insulin issues, on the other hand, whole
    natural carbohydrates, like whole wheat, brown rice, potatoes, fruits and
    vegetables are ESSENTIAL for a healthy diet and really stabilize blood
    sugar levels. This video makes it seem like carbs are your enemy, they’re
    not. CARBS ARE LIFE.

    • You are right. You can lose weight on a low-carb diet. That is a fact. You
      can lose weight on a high-carb diet. That is a fact.

      As you say, if you burn more calories than you eat, you lose weight.
      Period. But there is a lot of scientific evidence that eating a whole-foods
      plant based diet that is high in whole plant food carbohydrates is healthy
      long term. Please see the Mediterranean and Blue Zone diets as examples.

      There is zero scientific evidence that following a low-carb diet is either
      sustainable or healthy long-term.

      Fats are not the enemy. Whole food nuts, seeds, avocado, olives and
      coconuts are healthy. But processed oils are not healthy (corn oil, coconut
      oil etc). Carbs are not the enemy. Potatoes, sweet potatoes, brown rice,
      corn, oatmeal, buckwheat etc are very healthy. But white flour, sugar etc
      are not healthy.

    • +yogiyoda that is complete scientific nonsense. Carbs did not even exist
      over 10000 ago. There were some very primitive fruits and berries but where
      a very small part of our diet before 10000 years ago. We evolved and
      thrived for millions of years without carbs. You have no understanding of
      our diet on and evolutionary timeline.

    • First off, I’m going to start by saying, you do you. I’m sure different
      diets and lifestyles work for different types of people. Unfortunately HCLF
      did not work well for me at all. I come from an Asian family, meaning we
      eat a lot of rice, my mother, being the health conscious person she is,
      always cooked brown rice, she also occasionally cooked barley or quinoa. I
      had a diet low in meats and fat (we ate fish occasionally), and high in
      whole grains and vegetables. I was also overweight by around 20 lbs and was
      starting to develop high blood pressure at a young age. The reason why I
      was overweight while eating so called “healthy” was because I developed
      insulin resistance because of the large amount of carbs I consume, so even
      though I ate enough, my body would never know when to stop and even if I
      ate a normal sized meal, I would still feel hungry just a few moments
      later. After watching a couple documentaries and reading some recent
      research, I decided to go against the “common sense” of health, and
      increase the amount of meat and fats I ate, while decreasing the carbs. I
      still ate a large amount of vegetables but instead of eating lots of rice
      or grains, I would eat meat. I no longer feel hungry all the time, I have
      much more energy, and my blood pressure is now healthy. I also lost 40lbs
      and my mental performance is better than ever. I used to only achieve low
      80s but ever since I changed my diet my focus has increased and I achieved
      high 90s in school. I never used to be a big meat fan because I thought it
      was unhealthy and I avoided it as much as possible, now I’m a huge fan of
      beef, chicken, pork. If I didn’t reduce my carb amounts and increase my
      protein and fats, I would be the same unhealthy fatass I was a couple years
      ago. All in trying to say is different lifestyles work for different people.

    • +faceious2006 Quit being so faceious.

    • +jstyledipset Glad you are feeling better. Although a “no carb” or
      extremely low carb diet will help you lose weight short-term; it is just
      masking your problem and is extremely difficult to stick too long term.

      Eating whole plant foods is not what causes insulin resistance. If you
      haven’t already, you may want to check out “Dr. Neal Barnard’s Program for
      Reversing Diabetes: The Scientifically Proven System for Reversing Diabetes
      without Drugs”. It might help you achieve a better long term solution.

  7. “increased waist circumference” AHAHA scientific way to say you’ll get fat

  8. How come high carb vegans aren’t fat? I’m confused :/

    • If a person is high carb because of high fruit consumption, these carbs are
      coupled with fiber. Fiber will slow the rate by which the body digests the
      sugar from carbs (I believe this part was mentioned). I wish the video had
      explained this in more detail, though. It made it seen like carbs are bad
      but they aren’t. A donut is not equal to an apple. The video failed to
      clarify this.

    • It is likely that the vegan friend of yours who is fat consumes a high fat
      diet and/or too many calories for his/her body. This person might consume a
      lot of carbs but the carb to fat to protein ratio is what matters. The
      carbs in a donut are not equal to the carbs in an apple, for example.

    • I explain why high carb vegans like myself aren’t fat in my Sugar Myth 2

    • ^^^ this.

  9. I’ve always experienced better health and look better when I keep my carbs
    low and giving up refined sugar is the best health decision I made since I
    quit smoking.

    • +zukodude487987 Yes, I tried low fat and many different diets as I
      struggled with my weight many years ago. But before the internet and before
      I educated myself, I just assumed a low fat diet was the way to go and cut
      virtually all fat out of my diet for a long period. Unfortunately I found I
      dropped a lot of lean muscle mass and retained a lot of body fat, causing
      me to end up “skinny fat”.

      I think one of my big faults at that time was not understanding the
      importance of protein to sustain muscle. But once I started following a
      nutrition plan recommended by body builders I was able to build up my
      muscle and then use low carb diet to drop my body fat.

      It took a long time and a lot of failed experiments before I figured what
      worked for me.

    • zukodude487987

      +Dan Hammonds
      Sounds like 1) you did not eat enough calories, 2) you ate too little fat,
      3) you were not eating enough protein. Low fat does not mean cutting out
      proteins. You also don’t need to eat high fat to get protein.

    • Yeah, I made a big mistake with my diet at that time and it was ridiculous
      to try an eliminate all fats. It was at a time where the media was all
      about pushing fat free products and hydrogenated oils. It was one of many
      mistakes I made trying to lose weight. I was just so desperate to get in
      shape, but thankfully I figured it out in the end.

    • +HaveMahBabies I’m talking around the 1990s, so quite a while ago. 🙂 TV
      was full of adverts pushing margerine and low fat spreads as some kind of
      weight loss miracle. Unfortunately at that time it was really difficult to
      get online and do my own research so I usually just trusted what I read in

    • +HaveMahBabies Yeah, I was eating that crap for years and thought it was
      doing me good. I used to consume a lot of “low fat” desserts and junk food
      too thinking if it’s low fat it must be healthy…which is obviously what
      the marketers want us to think.

  10. the heart thing is not caused by carbs it has been proven that animal
    products do this, guys don’t be afraid of carbs the thing that this video
    didn’t mention is that every cell in your body runs on simple sugars
    meaning you NEED CARBS so eat more fruit than you think. (like 10 bananas a

    • +PurpleOllivier 1 month after…..

    • Arduino Guy Projects and More!

      +scheldon202 still here! 😀

    • +PurpleOllivier Gee stop with the stupid bananas once and for all. Your
      cells need EVERY macronutrient! Yes, that’s right, all 3 of them. If your
      cells ran on carbs only, you wouldn’t need protein and lipids, but that’s
      not the case. Seriously, how much do you know about physiology? Who has
      taught you those things? No no, I don’t need an answer. Uneducated youtube

    • +May04bwu LMAOO who said you only needed carbs? HONNEYYY do you realize
      that in foods that are mostly carbs there is protein? LEGIT EVEN FRUIT HAS
      PROTEIN!! and guess what humans only need around 5% of their calories from
      protein. (bananas can get you that so what are you even yelling abt??)

  11. Erm…. he referred to a donut as a starch food. Quite misleading, as
    donuts are over 50% fat, and 25% added sugar. It only has 20-25% calories
    coming from starch at best.

    • I originally used the first google definition of “donut”. regardless, the
      krispy kreme donut comes out with the same values. 11g of cals from fat is
      99 cals (fat is 9cals/gram, while sugar and protein are 4 cals/gram).
      Considering the total calories is 190, that’s over 50% cals coming from fat.

      Yes I agree the maker should have used some other example as well. Equating
      cakes, pastries, and donuts, with potatoes, rice, whole breads is a common,
      rookie mistake.

    • Arduino Guy Projects and More!

      +kwadw0 ah yesh my chinese chird, you must embrace yur kung fur nature.
      Meditate about yur rice, confucius say. go to arr supreme reader kim jung
      un, he wir teach yu the ways of the chinese rice picker. Now listen to me
      my deerest chird, I am not actually Chinese! peace out my yellow man! LOL

    • +havingMC
      LOL what a coincidence, I’m not Chinese either! But I would not mind
      learning some “Kung Fur” 😀 I don’t know much about Confucius, but I hear
      he was quite the nice guy.

  12. So eat carbohydrate rich foods that have a lot of fiber, avoid
    carbohydrates without fiber?

  13. Please add English captions. Your videos are so helpful for educating
    people are deaf or hard of hearing. The visual component combined with
    accurate captions in educational videos such as these can have an immense
    impact on education. Thank you, I love what you are doing!

    • Except that he’s misrepresenting nutritional science in this video…

      humans main source of energy is carbohydrates and we should be eating
      fruits and vegetables and other plant foods and excluding animal’s bodies
      and bodily secretions if we want to avoid disease… and be nice to someone
      else’s body… that matters too

    • afrodyta pudlo

      +The V Word that’s so true

    • Joseph Cirafesi

      +The V Word you are incorrect, sugar / carbohydrates are one of 2 main
      sources, the other being ketones derived from fat and there is no
      “essential” need for carbs as there is for certain fats and amino acids. In
      many ways, the body operates more efficiently on ketones, which also have
      tremendous benefits for brain function and health. And the incorrect
      research on sat fat, cholesterol and heart disease has now been thoroughly
      refuted in the most recent research / medical literature.

    • Top MMF Representative

      #Bam Westy Yep, I’m high carb vegan 🙂 @Karsim shrawasti

  14. Now I’m no scientist, but I know the pie chart at 4:33 isn’t showing 32%.

  15. Immersive Gaming

    Damn that kid looks blown as hell off of that bread and soda. I need that.

  16. A high carb diet from plants sources such as rice, fruit, oats, pasta, etc.
    does not cause insulin resistance. That is what a high FAT diet does.
    Countries like China didn’t start having diabetes problems until they
    recently became more developed, and started consuming more animal products.
    Which of course, are high in fat. Prior to this, everyone ate a high carb
    diet (rice being the most popular form) and they had very little issues
    with diabetes and insulin resistance.

    Eating more plant based carbohydrates, increases insulin sensitivity,
    controls weight gain, and decreases the risk of developing chronic diseases.

    Don’t be afraid to eat carbs. It’s literally your bodies preferred energy

    • “A high carb diet from plants sources such as rice, fruit, oats, pasta,
      etc. does not cause insulin resistance. That is what a high FAT diet
      This is terrifically incorrect as was pointed out in the video.. Fats are a
      very low glycemic macro-nutrient (as opposed to the sources you listed) and
      do not have the pancreas releasing much, if any, insulin.
      Edit: A source of energy being quickly processed does not make it
      preferred, particularly when one observes the havoc that high glycemic
      foods wreck on the endocrine system over time. In addition, endurance
      activities benefit from long term energy release and not “spikes” such as
      one receives from high glycemic sources.

    • A diet rich in fibres and micronutrients (which means a lot of vegetables)
      and moderate calories is healthy, no one doubts that. There is, however, no
      scientific basis to turn this into “high carbs low fat” and then making
      another wrong conclusion on top of that, “High carb = no meat”. There is no
      essential need for carbohydrates. Everything your body needs, it can
      produce from fat or protein. On the other hand, there are essential fatty
      acids and essential fat soluble vitamis. Also, you can be vegan on a high
      fat low carb diet.
      Regarding your example with China, in Europe increased consumption of
      saturared fat is correlated with lower rates of heart diseases, google
      “european paradox fat”.

  17. 4:49 sounds like a heart attack

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  19. Awful things happen to both over-nourshed & under-nourshed people :(

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