Fasting vs. Eating Less: What's the Difference? (Science of Fasting)

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  • Published on:  Wednesday, June 21, 2017
  • This is about the drastic physiological differences between fasting and eating less

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    *NOTE* One of the key things in being able to fast in a healthy matter is entering the state of ketosis - that is, switching your metabolism from burning carbohydrate to burning fat. *Considering most people have been burning carbohydrate their whole lives* this can make fasting a challenge. Upton Sinclair recommends doing quite long fasts - 12 days, but you may want to work your way up to longer fasts. Unless you are relatively keto adapted (or have experience with fasting of course), it's important that you take precautions while doing a fast. Fasting isn't inherently dangerous, *but diving into fasting when your body is in no way geared for it can be.* I recommend doing more research before doing longer fasts. "The Complete Guide to Fasting" (http://amzn.to/2tQjxXa) is a good book to start with.
    As Tim Ferriss puts it: Please don't do anything stupid and kill yourself. It would make us both quite unhappy.

    Just in case I should also say that of course you need to balance fasting with eating - You need to survive off of something. I have been doing intermittent fasting the past year (22 hours fasted, 2 hours eating - you can widen it to 16/8, which still provides great benefits) and will fast for a couple days every other month or so. Several other people have recommend a routine like this - Tim Ferriss recommends doing a 3 day fast once per month and a 7 day fast once per year.
    Also make sure you're getting enough fat, protein, micronutrients and fiber to maintain a healthy weight and healthy body - *excessive* fasting can be very dangerous.

    Books Mentioned:
    "The Obesity Code" by Dr. Jason Fung - http://amzn.to/2rXtalh
    "The Fasting Cure" by Upton Sinclair - (If you google the title you can find the full book online)
    "Tools of Titans" by Tim Ferriss - http://amzn.to/2rX6P7E


    [BLINKIST] Blinkist is an app I've been using lately to discover new books and review the ones I've already read. It gives you the key points in text or audio form from tons of different non-fiction books. Since I'm always going through so many books to get these done, it's very useful to get me exposed to more concepts beforehand to know if it's worth my time to buy and read through that particular book. Check it out here: http://bit.ly/2sbegMN

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  • Source: https://youtu.be/APZCfmgzoS0

Comment

  • What I've Learned

    What I've Learned

     2 years ago +4214

    Just in case I should also say that of course you need to balance fasting with eating - You need to survive off of something. I have been doing intermittent fasting the past year (22 hours fasted, 2 hours eating - you can widen it to 16/8, which still provides great benefits) and will fast for a couple days every other month or so. Several other people have recommend a routine like this - Tim Ferriss recommends doing a 3 day fast once per month and a 7 day fast once per year.

  • Parthian Zaza

    Parthian Zaza

     16 hours ago

    I wanna fast with Marijuana

  • Prrra

    Prrra

     2 days ago

    I've seen this video quite a few times over time to get myself back into fasting but i didnt spot the 105% math at 7:30 till now lol

  • Hussain Nasser

    Hussain Nasser

     3 days ago

    let me get this stright, if someone does long term fasting like 3 days, and not doing excercise like walking, will he lose musclle?. Or he should add excercise in order to keep the muscle ?

  • Wise Sage of the Fanservice realms

    Wise Sage of the Fanservice realms

     4 days ago

    I gotta put the subtittles not because I dont understand english, but because I dont understand your anglotard meassures.
    Get the Kg/M/L/Cº meassures like the rest of the civiliced world, goodamit!!!!

  • God Spark

    God Spark

     4 days ago

    I eat one meal a day....I eat big. Lunch

  • Mia Lauren

    Mia Lauren

     6 days ago

    This video is funny to me bc I've just started a 16:8 fasting diet and by watching this I've realised that calorie restriction makes me overeat while fasting.. doesnt. I eat my normal 1200 cals in my hr window, but I also eat less breads and sugars. I think my body is gaining some weight, but I feel better. Hm.

  • Tonya Jones

    Tonya Jones

     7 days ago

    Excellence

  • Atasco Osage

    Atasco Osage

     7 days ago

    I can't fast because I sell plasma. I have to eat before & after I sell plasma, otherwise I get violently ill. I've really wanted to try fasting but I'll have to wait until I can do it safely.

  • tayman p

    tayman p

     7 days ago

    Race plays a huge factor as well as fitness levels!

  • HandsomeHolland

    HandsomeHolland

     7 days ago

    so. fasting means FAT LOSS, and slightly eating means MUSCLE LOSS?

  • Thomas Marchese

    Thomas Marchese

     7 days ago

    Gluco-neongenisis isn’t the break down of muscle. It’s the use of carbohydrates that get stored in the muscles.

  • Stephen Roberts

    Stephen Roberts

     7 days ago

    Fasting and dieting ages people

  • Shannen Canton

    Shannen Canton

     7 days ago +1

    I have adhd and I keep putting off eating or too hyperfocused on a thing to think about eating when I'm hungry. Eventually I stop being hungry and forget I was ever hungry or if I ever ate. This worries my parents, turns out I guess I'm just being healthy?

  • Jr Alli

    Jr Alli

     7 days ago

    Eating nothing is my diet and eating small meals is my workout

  • C. J

    C. J

     7 days ago +1

    Random question but where are you from WhatIveLearned? You pronounce some words in an interesting way :)

  • bad vibes

    bad vibes

     7 days ago

    Can i smoke while fasting

  • Cat tastrophic

    Cat tastrophic

     7 days ago

    That explains why we are told to fast

  • Zed Baron

    Zed Baron

     7 days ago

    Watch this without volume.. youd think the editor was a pothead with a dungeon fetish.

  • Michael Myers

    Michael Myers

     14 days ago

    uhhhh, eating less is just intermittent fasting.... so why do they recommend people to doit then????