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The Deal with Carbs

A lot of people think carbohydrates are the
enemy. The word might make you think of spaghetti,
white bread, or other foods that’ll supposedly make you gain weight. But dietary science is more complicated than
that, and carbs are also found in fruits, grains, vegetables, and milk. They help you make and store energy, poop
a little better, and are one of the three classes of macronutrients that you need to
live. Chemically, carbs are pretty simple: just
carbon, hydrogen, and oxygen. Hence the name – “carbo” for the carbons
and “hydrate” for water. But not all carbs are the same. There are simple carbohydrates – the monosaccharides
and disaccharides – and complex carbohydrates, or polysaccharides. These words just describe the structure of
the molecules – so, monosaccharides are the basic building blocks of longer carbohydrate
chains. Monosaccharides are also commonly called simple
sugars, and taste sweet. Like, you’ve probably heard of glucose. We can thank plants for glucose – and, really,
for most carbohydrates that we eat – because they convert carbon dioxide and water into
glucose during photosynthesis. There are also molecules like fructose, which
is found in some fruits and honey, and galactose, which is in milk. All three of these molecules are isomers,
so they have the same chemical formula, but their atoms are arranged differently. This gives them different chemical properties,
like levels of sweetness. Now, the taste of sugars is great, but carbs
are really important because they’re a great source of energy. Glucose metabolism is basically when glucose
undergoes a bunch of chemical reactions in cells to make these molecules called ATP. And cells in your body use chemical energy
from ATP to do pretty much everything – move, grow, especially keep your brain functioning. So, monosaccharides are small enough to pass
from your intestines into your bloodstream, and then into different cells in your body
that starts these energy-producing chemical reactions. But lots of the carbs we eat aren’t plain
old monosaccharides. When two are bonded together, you get a disaccharide
– like maltose, which makes cooked sweet potatoes sweet, sucrose, which is table sugar,
and lactose, the sugar in milk. These have to be digested by enzymes before
they can enter your bloodstream. Some people can’t break them all down, though,
like if you’re lactose-intolerant. So bacteria might do it instead, which can
make you feel all gassy and bloated. And polysaccharides, or complex carbs, are
just a bunch of monosaccharides bonded together. Like, starch is a long chain of glucose molecules
that plants use to store energy. You have enzymes that can break down starch
from foods like grains or potatoes, but it takes a little longer to digest and absorb
than monosaccharide-filled foods, like candy bars. On the other hand, we store extra glucose
in the form of glycogen, mostly in our liver and skeletal muscle cells. See, there’s this chemical produced by your
pancreas called insulin that helps regulate your blood sugar. When you have too much glucose in your bloodstream,
more insulin is released. And it basically tells your body to start
making glycogen, to store for later when you need energy. And glycogen is the reason that endurance
athletes, like marathon runners, will sometimes eat a bunch of carbs before exercising. They’re trying to store more glycogen, so
when their body needs energy, their cells can break those polysaccharides down and have
lots of glucose to metabolize. But here’s the catch: you can only store
so much. And when your liver and skeletal muscle cells
can’t hold anymore, any extra glucose will be converted into energy-dense fats for storage. Sound familiar? That fear that eating too many carbs makes
you fat? So that’s why people might go on low-carb
diets – to avoid making and storing more fat molecules, even though eating carbs in
moderation is not unhealthy. If your body runs low on carbohydrate fuels,
it’ll start to metabolize these fats to make energy instead. There are different chemical reactions involved,
and different byproducts get created. But if you completely eliminate carbs from
your diet, your body might not get enough fiber, which is a group of compounds – including
some complex carbohydrates – that we don’t have the enzymes to digest. At first, that doesn’t seem at all helpful,
because we typically eat food to give our bodies energy or chemical building blocks
to make more stuff. But some kinds of fiber – like cellulose,
a polysaccharide that gives plants structural support – help promote healthy bowel movements
by adding bulk to your stool. And other kinds of fiber can dissolve in water,
forming a sludgy mixture that can reduce your LDL cholesterol levels – the kind that can
build up in your bloodstream and be dangerous. These fiber molecules bind to cholesterol
and these chemicals called bile acids – which are made from cholesterol – in your intestines,
so you excrete them. So fiber is your friend, and you shouldn’t
be afraid of carbohydrates. They’re important nutrients, can taste delicious,
and give your body lots of energy. But it is possible to have too much of a good
thing. Thank you for watching this episode of SciShow,
which was brought to you by our patrons on Patreon. If you want to help support this show, you
can go to patreon.com/scishow, and don’t forget to go to youtube.com/scishow
and subscribe.

Randall Smitham



  1. Leaf tree Posted on August 23, 2016 at 3:45 pm

    To me this read "The Deal with Crabs" …maybe because of the shirtless man on the link

  2. ○º frαncєscα º○ Posted on August 24, 2016 at 12:17 am

    as i sit here eating ice cream out of the container

  3. Daniel Eyre Posted on August 24, 2016 at 12:17 am

    Oh wow the Green brothers are still making good videos.

    And yes this anti-carbohydrate fad is ridiculous.

  4. The Architect Posted on August 24, 2016 at 4:02 am

    I was part of a group in my small group communications class and we had to all pick a topic and each do a presentation on something from that topic. My group chose Nutrition and we had Vitamins, Water, Protein, and I picked Carbs. I had fun talking about the bad and following it up with the good making carbs seem like an anti-hero of Nutrition while the other 3 were the traditional good guys.

  5. Mr. Musician. Posted on August 25, 2016 at 3:39 pm

    So. What is the real deal with ketosis?

  6. Deltaworks23 Posted on August 26, 2016 at 7:36 pm

    I dare not try to tell someone what they should eat, it is practically religion for some people – I'm looking at you, Vegans. However, the food industry packs a LOT of added sugars and carbs into our food making it unbelievably easy to get more than you need. I have found that a high fat, very low carb diet works best for me.

  7. Megan Lewis Posted on August 27, 2016 at 2:37 am

    needing carbohydrates and needing dietary carbs are different.

  8. Kati Melton Posted on August 28, 2016 at 1:07 am

    There is no such thing as an essential Carbohydrate, you do not need carbohydrates to live.
    The human body can and will metabolize fat and proteins more efficiently and lead to less obesity, diabetes and fatty liver disease if you remove as many carbohydrates as possible from your diet.

  9. DxKassim Posted on August 28, 2016 at 1:59 am

    Everyone , watch Jason Fung 6 part lecture about obesity

  10. Phytoponics Channel Posted on August 28, 2016 at 2:11 pm

    I think it is refined carbohydrates that do the damage – sugar in everything that do the following (suprised this was missed out of the talk):

    High glycemic load induces high insulin that stores the blood glucose and paradoxically leaves one hypoglycemic, not-full and ready to eat more.

    Non-carb diets are more for rapid weight loss, hard to maintain as lots of traditional foodstuffs are carbohydrate based. Thankfully the British staple, the full English breakfast, can be modified slightly to be low-carbohydrate, high protien and high fat – leaving you full well past lunch.

    I am out in the USA and had a stack of pancakes (heavy refined carbohydrates) with maple syrup – obviously this is unhealthy but I had 1500 calories from that and felt hungry within 2 hours. The same calories in a fatty full English leave you full for half a day.

    Additionally, net-carbs (carbohydrate minus fibre) is what most dieters use these days, no need to stick up for fibre, no-one is saying you dont need it.

    Hope Sci Show goes more into the science next time.

  11. kelvin rivera Lopez Posted on August 28, 2016 at 2:31 pm

    I love watching this videos! but I dont understand shit )=

  12. BensonDanneskjold Posted on August 30, 2016 at 11:54 pm

    There is no essential carbohydrate.

  13. Dylan Hallahan Posted on September 9, 2016 at 1:48 am

    Hey can you guys enplane the science behind a Ketogenic die ei high fat low crab diet. That's what I've been doing for around a month with around 5% of my calories coming from carbs and I've been fine.

  14. Justin Q Posted on September 13, 2016 at 12:51 pm

    "Burn the fat, Feed the muscle" is an awesome book with all you need to know. 🙂

  15. Michael Guarneri Posted on September 13, 2016 at 9:03 pm

    I want freelee to react to this

  16. Speed Posted on September 14, 2016 at 1:30 am

    Yo, I need more of these high protein and carb diets.

  17. YOUNG Regie Posted on September 18, 2016 at 12:52 pm

    just eat each day chicken egg brown rice

  18. Alek Tuan Posted on September 18, 2016 at 11:20 pm

    I don't get how much of an idiot you need to be to overconsume anything… Just eat small portions, wait 15-20 minutes after a meal and see if you're still feeling a need to eat, if so, munch on a fruit or vegetable or some nuts, and eat a small portion a few hours later… I eat mostly carbs with very little meat, and I'm generally the healthiest every health exam my class goes through

    Just because people are stupid, doesn't mean a diet is bad…

  19. KattGirl13 Posted on September 25, 2016 at 1:18 am

    Lol I made a 100 on my 9th grade biology exam last year but now I can't remember half of this stuff

  20. William Taylor Posted on September 25, 2016 at 4:48 am

    Trying to get up to a subway sandwitch, have you seen their avacadoes? A leaf takes 6 hours to decay, so you can't just run around with fresh produce. Also, their bread is really thick, its always fresh. A safeway sandwitch is just getting hard and stale, it is very fine tuned to have a subway in your car or truck.

  21. kayzoku1 Posted on October 3, 2016 at 2:35 pm

    u'r cool dude, make a video about how to regulate glucose intake to not sollicitate insulin release and go over the liver/muscle glycogen levels!!

  22. QuiznosBear Posted on October 6, 2016 at 4:55 am

    The reason low-carb diets work should be pretty obvious, the fact that they are significantly less efficient, is what makes them more efficient at losing weight.
    Fact: Calories Out > Calories In = loss of body fat (and muscle and… and… and…)
    assume you burn-off precisely 2000 Calories per day.
    You consume 2000 Calories worth of A, and convert it to energy at 99.9% efficiency; you are at a net loss of 2 calories.
    You consume 2000 Calories worth of B, and convert it to energy at 80.0% efficiency; you are at a net loss of 400 calories.
    Clearly the lower efficiency non-carb diet is the way to go if weight loss is the goal.
    Hidden diet option C is not allowing your body to have a fair chance at converting food to energy. More fiber, more water, any kind of laxative or diuretic can definitely make your body better at producing waste; which means it's worse at producing energy, which means it's going to store less, or even start dipping into those stores.

  23. Brooke L Posted on October 10, 2016 at 9:57 pm

    It is a very popular belief that people think carbs are bad for you when in fact 45-65% of your calories in your diet should come from carbs. The problem in America is that we love our carbs. We love our breads and pastas and sweets, we often eat too many carbs and that leads to weight gain. However, eating too much of anything leads to weight gain. We blame the majority of our weight gain problems on carbohydrates because we eat too much of them. Eating too much of anything gets stored as fat just as much as carbohydrates do. When people do “no carb diets” they might be losing weight because you’re not consuming nearly as much carbs as you used to, but you’re also losing a lot of energy because the majority of our energy is made from the intake of carbs and that is why the percent of calories from carbs is the highest of the macronutrients. Low carb/No carb diets aren’t good for you, because your body needs carbohydrates, just not over the limit.

  24. Susannah Ayres-Thomas Posted on October 12, 2016 at 2:18 am

    So. Can you consume too much fiber?

  25. Antoine Morin-Prévost Posted on October 17, 2016 at 8:51 pm

    You dont need carbs to live, in fact your body can function normally without eating any !

    Of course you need Glucose but your body knows how to break your fat cells into glucose to give you energy, that is how fat loss occurs. So the best way to loose weight is to cut the carbs, and you will feel good too !

  26. Amethyste Moon Posted on October 17, 2016 at 10:35 pm

    carbs are the best! <3

  27. PrototypeTheGamingHell Posted on November 11, 2016 at 6:05 pm

    That why I feel like fucking shit when drinking normal milk… I'm lactose intolerant.

  28. Big Lumpy Beetle Posted on December 6, 2016 at 10:22 pm

    3:22 you die. thats it. you die

  29. Welcome To The Show Posted on December 28, 2016 at 9:07 pm

    Go die

  30. EroticOnion23 Posted on January 4, 2017 at 11:00 am

    Ahh carbs, aka 'the Great Enemy', aka 'the flesh of Satan'. xD

  31. Jesse Rodgers Posted on January 13, 2017 at 4:19 pm

    Good video and great job talking sense about a subject that many people are hysterical about and tend to ignore the science almost completely. However, I do have one nit-pick: carbohydrates are not a "macronutrient that you need to live."

    Unlike essential nutrients such as the essential amino acids and the omega fatty acids, carbohydrates need not be consumed in the diet. Yes, one's brain does need glucose but after an adaptation period, it can derive as much as 75% of its energy needs from ketone bodies created from fat metabolism. Glucose is required for the remaining 25% but it can be produced in the liver via gluconeognensis from glycerol (a byproduct of fat metabolism) or from certain amino acids (alanine, glutamine, etc.). So while a small amount is required, it can be produced by the body and is therefore not an essential nutrient (which must be consumed in the diet).

    That said, it would be difficult to imagine a diet, with the possible exception of complete starvation, that did not include at least a small amount of carbohydrates. Also, at least some carbohydrates in the forms of soluble and insoluble fiber, plus probably some digestible carbohydrate, would be included in an optimal diet.

  32. Man On The Moon Posted on March 21, 2017 at 7:21 pm

    I need help isn't lactose the one from milk

  33. Man On The Moon Posted on March 21, 2017 at 7:21 pm

    oh never mind I got my answer

  34. Tom Lammerse Posted on March 25, 2017 at 11:03 pm

    but what is ''too much''? :O I wanna knowwww

  35. Andres Jaramillo Posted on March 27, 2017 at 9:44 am

    Carbs? I don't need that shit. Just a little fiber and im good. Keep calm and Keto on.

  36. Harry 8642 Posted on April 10, 2017 at 12:02 am

    I got a solution, work out.

  37. asliuf Posted on April 14, 2017 at 1:50 pm

    hey sci show, have any of you read "the china study" by t. colin campbell?

  38. Navak Posted on April 21, 2017 at 2:10 am

    It's misleading when you said "we need carbohydrates to live." Yes, but we do not need to EAT carbohydrates to live. Our body is perfectly capable of manufacturing them from fat.

  39. When Will You Learn? Posted on April 21, 2017 at 5:36 am

    People need to stop using the word "Carbohydrates" to refer to sugars/alcohols. Most fibre and many fatty acids fall under that classification. It is a chemistry term, and should see little use in physiological discussion.

  40. Silver Mirai Posted on April 21, 2017 at 6:55 pm

    I recommend "Anatomy for beginners" to everyone who has a "strong stomach". In the circulation lesson you can see the huge difference between a healthy artery and a damaged one.
    Damage to it is due to plaque inside it, it reduces blood flow, forces the heart to pump harder, increases the pressure inside the circulatory system, and bulges the arteries.
    You can see in the live dissection how fat actually goes everywhere in the body, between intestines, on organs, inside arteries.

    I'm not a MD but from my knowledge I came to the conclusion that the body can deal with everything we eat, as long as we have smooth arteries, a strong heart (since it's a muscle), and efficient lungs. You can see where I'm going with this, as long as you do sufficient cardio activities, you can stuff yourself with pizza and ice cream and be just fine.

  41. Kevin Benoit Posted on May 1, 2017 at 5:50 am

    I'm vegetarian and almost everything I eat is carbs, but I'm still skinny. (Bread, pasta, potatoes, ice cream, rice….. donuts) Someone explain this to me.

  42. Juubes Posted on May 8, 2017 at 6:06 pm

    Here from 9th grade chemistry class… It took 4 minutes to explain from you and 2 hours from the teacher! Thanks 😉

  43. Ryan Johnson Posted on May 24, 2017 at 4:52 am

    I misread the title and thought it said "What's the Deal with Cards?"
    Could you do one on why the "Card" component of web design is gaining such steam?

  44. romain nsmngr Posted on May 27, 2017 at 8:05 pm

    You nailed it. People should eat enough carbs to refill their muscles. They will have the energy ready for their next exercice which should be the next day ideally. Unfortunately many people sit around, eat very dense foods, store the fat, turn the sugar into a little more fat and get into trouble. They then follow some fad like the keto diet. The real answer is to cook vegetables instead of gorging on carbs covered with oil. Veggies, a few complex carbs as whole grains or fruits and the human will thrive.

  45. Mar Posted on June 6, 2017 at 9:31 pm

    if they are made out of C, H and O aren't they technically an alcohol?

  46. blackkittyfreak Posted on June 26, 2017 at 6:52 am

    I'm a proponent of the Atkin's Diet, which basically tells you to eat as much carbs as your body can handle. Each person has a specific "carb tolerance" that depends mostly on genetics. You start out with an allotment of 20 grams of carbs a day to get your body into fat-burning mode, then gradually increase your allotment until you hit your carb tolerance. You definitely know when you hit your limit, because you experience gas, bloating, sometimes nausea or even vomiting, and usually intense carb cravings. Then you go back down, and that's your limit. You keep eating few enough carbs to keep your body burning fat.

  47. ntm4 Posted on June 29, 2017 at 12:03 am

    Galactose? Didn't he fight the Fantastic Four?

  48. kellyvtec Posted on July 24, 2017 at 9:20 am

    I only eat carbs for fiber and nutrients….

    (30 mins later)
    … So why am i still on the toilet

  49. Science Please Posted on July 26, 2017 at 7:21 pm

    Is this the reason why I feel like I can actually get up in the morning if I've had a carby meal the night before? As opposed to no dinner and feeling like I need someone to recusitate me the next morning?

  50. Science Please Posted on July 26, 2017 at 7:21 pm

    Is this the reason why I feel like I can actually get up in the morning if I've had a carby meal the night before? As opposed to no dinner and feeling like I need someone to recusitate me the next morning?

  51. Zachary Cates Posted on August 6, 2017 at 8:52 pm

    It's funny how some people start out liking Galactose, but then end up Galactose intolerant. Like the Silver Surfer.

  52. Mortophobe:Gaming Posted on August 10, 2017 at 6:39 pm

    i think theres a lot of asterixes that could be put in here because even though no lies were told, this draws an incomplete picture of the human metabolism of carbohydrates. for example the sacharide called fructose doesn't do anything for energy and gets treated like a toxin (pretty much the same way as alcohol) within your liver and turned into fat. so half the sucrose (or just plain sugar) gets turned into fat. it's a biological fact. do i have my facts straight or did i watch some bs on youtube?

  53. Bart Misiewicz Posted on August 30, 2017 at 3:29 pm

    Try Keto!

  54. UnseamlyTangent Posted on August 31, 2017 at 1:11 pm


  55. wassollderscheiss33 Posted on September 7, 2017 at 12:35 am

    You actually look a bit bigger in this episode 😉

  56. NEO O Posted on September 12, 2017 at 9:07 pm

    Soon as I cut carbs out I lost weight. Win.

  57. inkley7 Posted on September 15, 2017 at 5:24 am

    NEVER STOP MAKING VIDEOS! 90% of your videos contain essential knowledge that every human should understand completely yet, sadly, we live in a world where opinions run EVERYTHING! I hope that, one day, intellectual and rational thoughts will prevail for the betterment of our species but sadly, I view that as a wish rather than a possibility

  58. Jack Daniels Posted on October 6, 2017 at 8:38 pm

    I eat raw spaghetti

  59. John Kemmerer Posted on October 14, 2017 at 12:22 am

    Best diet = everything in moderation

  60. Hassan Mohamed Posted on October 30, 2017 at 11:36 pm

    mitochondria is the powerhouse of the cell

  61. ben Posted on November 1, 2017 at 5:23 pm

    Disliked because he said we need carbs to live

  62. Diako Unknown 12 Posted on November 9, 2017 at 11:17 am

    Is the mini series you know The deal fat and protein and this part is a series if it is ill call DEAL WITH IT

  63. Scooterpie666 Posted on November 11, 2017 at 2:06 am

    Wrong, carbs are not necessary, you can survive just fine without ANY carbs

  64. GoodMood :P Posted on November 16, 2017 at 1:48 pm

    you need carbs but you don't need cholesterol. your body makes that independently

  65. Joku Toinen Posted on November 23, 2017 at 12:04 am

    You can easily get enough fiber by chewing on matchsticks or any wooden stuff like that. I did that when I tried to get rid of my nicotine addiction. I never got rid of it really, but my bowels loved me in the meantime.

  66. Just some Stranger Posted on November 29, 2017 at 12:21 am

    What about ketones?

  67. balsamiqmunchy Posted on December 10, 2017 at 2:25 pm

    You don't need to eat carbs to live

  68. Perpetual Remission Posted on December 16, 2017 at 6:30 pm

    "Fiber is your friend" and "You shouldn't be afraid of carbohydrates." Love it! Way to jam-pack all this information 🙂

  69. SKPjoe Coursegold Posted on January 3, 2018 at 8:30 pm

    SUGAR is the enemy.

  70. katifyification Posted on January 22, 2018 at 7:52 am

    All i want to know is, can i have spaghetti?

  71. vineet kapshikar Posted on January 28, 2018 at 6:48 pm

    You don't need a single gram of sugar/carbs.

  72. Vitringur Posted on January 29, 2018 at 1:30 am

    This channel is so amateurish.

    People don't need carbs to live. There is nothing essential about carbs.

    Saying "carbs is one of the three food groups we need to live" is like saying "alcohol is one of the four food groups we need to live".

    While technically true, it's misleading. It's suggesting that alcohol is essential for life, which it isn't. The same goes for carbs.

  73. MyOwnSongsAndCovers Posted on February 11, 2018 at 11:46 am

    What this video is failing to address is that de novo lipogenesis (the conversion of carbs to fat) is very inefficient. In a calorie surplus only a measly fraction of the fat gain will come from de novo lipogenesis. On the other hand, fat doesn't have to be converted to anything because it's already fat. We can radioactively label fat and see where it ends up. And sure enough, it is directly stored as fat.

    Furthermore, carbs have 4 calories per gram while fat has 9. So it will be a lot easier to end up in a calorie surplus when eating lots of fat.

  74. TheMkkr Posted on February 14, 2018 at 10:47 pm

    Wrong! Carbs and fiber are not important!

  75. Elizabeth Shaw Posted on February 17, 2018 at 12:15 am

    I eat only complex carbohydrates. Being a diabetic vegan and occasionally I will have something with refined sugar but very rarely.

  76. Görkem Seven Vids Posted on March 10, 2018 at 7:36 pm

    Why the heck i need to eat fibers which idont digest?

  77. Random Guy Posted on April 19, 2018 at 7:53 pm

    exactly, carbs are everywhere, that's why you don't need pasta or bread

  78. terrt b Posted on May 11, 2018 at 6:33 pm

    what is the minimum daily required number of carbs? answer: 0

  79. Kimberly Cooper Posted on May 25, 2018 at 12:22 am

    It's not that we think carbs are the enemy. I *love!* foods made with whole grain (pancakes, bread, etc.), dried beans, and potatoes.

    My relatives' and my problems are that we gain weight and are susceptible to diabetes type 2. The carbs from vegetables and fruits are sufficient for my body. Your body can probably utilize grains, dried beans, and potatoes better than my body. I blame it on genetics.

  80. mxyplex Posted on October 2, 2018 at 9:03 pm

    Hm. You don't need carbs to live. There are no essential carbohydrates.

  81. Princess YuBeace Posted on October 19, 2018 at 12:28 pm

    A lot of carbs can freak out your bowels if you have IBS. Now we know more about WHICH carbs do that, but before any of that was known, my mom found out by herself that cutting carbs from her diet stopped her from bloating. Personally I'm mostly sensitive to oligosaccharides, which are very abundant in onions for example. Just eating a little bit of onion in meal can give me cramps for over a week.

  82. Ilan Wallace Posted on December 4, 2018 at 6:51 am

    turns on flashlight at dramatic angle next to campfire
    Them carbs are gonna gitchya just you wait.. three slices of bread and you're done for!

  83. jacky zhu Posted on January 13, 2019 at 6:19 pm

    Carbs and protein are good together, not bad like Bright Side said

  84. freakylocz14 Posted on January 29, 2019 at 8:08 pm

    I'm on the keto diet, but still eat about 50g net carbs per day. I use that allotment to get my fibre in.

  85. Legal Gamers Posted on February 15, 2019 at 6:03 am

    Mom's spegetti

  86. San Nabaty Posted on February 16, 2019 at 6:59 pm

    carbs , fats, protein are all good and needed , but for each of them the source matters the most , get carbs from fruits and veggies and you will be doing a favour to your body

  87. Tiger Posted on February 19, 2019 at 11:13 am


  88. Reese Mesple Posted on February 26, 2019 at 11:31 pm

    talk slower bro

  89. xinic5 Posted on April 6, 2019 at 5:11 am

    Okay but most low carb diets say not to count fiber. So if you eat something with 6g carbs, 3g fiber, you only account for 3g of carbs. I'm not arguing that low carb is more effective at burning fat. Just that for some people it might help keep them from eating too many calories..

  90. Traci Morales Posted on April 19, 2019 at 6:21 am

    So is there anything wrong with going low-carb but also taking a fiber supplement? Not that I’ll ever actually follow through with any kind of diet. Haha

  91. ヨーソローちゃん_17 Posted on April 21, 2019 at 2:23 am

    I thought the title was 'The deal with cards' , and that thing the man was holding in the thumnail, I thought it was a stack of cards,

  92. prayfortruejustice Posted on May 2, 2019 at 12:22 am


  93. prayfortruejustice Posted on May 2, 2019 at 12:28 am

    There is no such thing as an essential carbohydrate. Your liver and tissues produce and store enough glucose for your brain and organs. Did I write anything that is untrue? Why goes everyone assume that carbs snd glucose intake is the default diet (SAD diet) when significant production of bread, pasta, refined grains and flour might have been available for the last 2000-3000 years of human evolution at best.

  94. Chris Boucher Posted on August 29, 2019 at 1:10 pm

    I just love chemistry, think I'm gonna take some classes just for fun.

  95. Razorback73 Posted on September 24, 2019 at 7:19 pm

    LIAR! There is ZERO scientific evidence that we need any carbs in our diet. There is a plethora of evidence that we don't need them at all. We can live our entire lives with zero carbs. Our bodies run far better on ketone bodies than carbs. Insulin causes weight gain, by forcing fat storage and preventing fat metabolism. Carbs do not become fat, they are stored in fat and slow or prevent the ability to break down that fat. This entire video is based on false and out dated information.

  96. David G Austin Posted on October 15, 2019 at 4:06 pm

    Being a Type 1 Diabetic, I know all too well how a lack of glucose in your bloodstream can lead to your brain shutting down. More than once, I’ve lost consciousness due to dangerous hypoglycemia. People whose bodies process carbohydrates properly have no idea how privileged they are to not have to constantly worry about this.