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  • BBC Horizon Fasting Method?

    I actually found the documentary after it was mentioned on here somewhere but was wondering if you PB's have tried it and how it went?

    In short it seems to be a matter of "fasting" for 2 days a week but where the fast consists of very low calories, rather than none at all. In the program he seems to do very well on around 600 calories a day during his fasting days.

    Eat, Fast & Live Longer (BBC Horizon Documentary). 720p - YouTube

    The 'potato diet' seemed to work OK for me for 2 or 3 days. This seems to be the same kind of thing but without the restriction to spud starches, instead just restricting calories.

    Sez you lot?




    AC

  • #2
    this thread on another forum I frequent discusses peoples' experiences:

    Horizon 'fasting' diet/lifestyle 3.5 weeks in... updates Singletrack Forum

    Comment


    • #3
      Thanks for that zilog.

      Many posters on there seem to be confusing it with the 16/8 IF thing but it generally does seem quite hopeful...

      Cheers


      AC

      Comment


      • #4
        Eh, if you're going to chronically under consume calories, might as well go all out and get the benefits of autophagy too.
        "The cling and a clang is the metal in my head when I walk. I hear a sort of, this tinging noise - cling clang. The cling clang. So many things happen while walking. The metal in my head clangs and clings as I walk - freaks my balance out. So the natural thought is just clogged up. Totally clogged up. So we need to unplug these dams, and make the the natural flow... It sort of freaks me out. We need to unplug the dams. You cannot stop the natural flow of thought with a cling and a clang..."

        Comment


        • #5
          Explain DR?



          AC

          Comment


          • #6
            My understanding from seeing the BBC video was that the bloodwork results of the 72 (or 70) hour fast were replicated in five weeks of the 5/2 fast. If that is a repeatable outcome, the 5/2 fast may be a more sustainable/doable thing for a lot of people.
            "Right is right, even if no one is doing it; wrong is wrong, even if everyone is doing it." - St. Augustine

            B*tch-lite

            Who says back fat is a bad thing? Maybe on a hairy guy at the beach, but not on a crab.

            Comment


            • #7
              Originally posted by AlanC View Post
              Explain DR?



              AC
              Intake of nutrients in any form, even antioxidants from coffee and tea have been shown to block the effects of autophagy from occurring.

              Edit: http://www.annualreviews.org/doi/abs....070187.002543

              There it links total nutrient deprivation to increased incidences of beneficial autophagy.

              Edit again: http://jcem.endojournals.org/content/96/4/E633.full

              If I'm reading this right, it says that nutrient intake of any kind is one of the most potent INHIBITORS of autophagy.

              So, in conclusion, if autophagy is one of the REASONS for going on a fast, then intake of nutrients sort of defeats the purpose. Just my two cents.
              Last edited by Drumroll; 11-01-2012, 02:18 PM.
              "The cling and a clang is the metal in my head when I walk. I hear a sort of, this tinging noise - cling clang. The cling clang. So many things happen while walking. The metal in my head clangs and clings as I walk - freaks my balance out. So the natural thought is just clogged up. Totally clogged up. So we need to unplug these dams, and make the the natural flow... It sort of freaks me out. We need to unplug the dams. You cannot stop the natural flow of thought with a cling and a clang..."

              Comment


              • #8
                Those studies appear to be about treatment of ill people, whereas I'm primarily looking to lose weight.

                Well that's my excuse for not reading them in depth anyway

                And as Joaniel points out, according to the TV program he was getting the same general results as you'd expect from hard fasting in just a few weeks of regular 2/5 low cals, not zero cals.

                Ultimately what I like about this primal thing is how it just makes simple sense. You don't need to get into the nitty gritty or learn any Latin, just eat good quality natural and nutritious food, avoiding the processed crap pretending it's food. Otherwise you just get swamped with too much "information", much of it contradictory.

                I'm tired of reading how X gives you cancer, then how X cures cancer, then how a combination of X and Y will make you live longer, then reading how Y is linked with heart attacks...

                It's just ridiculous, and much of it stems from the fact it's effectively impossible to perform truly scientific studies that use real people. Humans have various natural rights we can't legally or morally infringe, they have their own preferences, they don't always tell the truth, they often lie to please people in white coats, they have unreliable memories anyway, they don't really know the nutritional values of what they eat, have hugely variable activity levels and they're incredibly good at compensating for anything you do to 'em.

                As such I'm hoping to keep it simple - have you tried this, if so, what were your results?






                AC

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                • #9
                  I have been an avid faster doing a 20-22 hour fast almost daily, and packing in all of my calories in one meal. Just feels right to me. No snacking or anything at all during the day.

                  I have attempted longer fasts as well, doing 48-72 hour fasts before. I don't do those very often, maybe once a month or so just to see if I am still capable of it. When I do, I keep it calorie free for sure. I may supplement with some electrolytes by the end of day two just to keep my fluid levels and muscle function in check, but they are calorie free and that's usually the only thing I'll use. That's because one time I did a three day fast with no electrolytes and almost had to go to the hospital because my levels were so low! Otherwise, I'm pretty strict about it. So no, no experience with the above fasting method you describe, but LOTS of experience with fasting in general.

                  By the way, whatever type of fast you are attempting, being fully fat adapted is recommended to enhance the benefits.
                  "The cling and a clang is the metal in my head when I walk. I hear a sort of, this tinging noise - cling clang. The cling clang. So many things happen while walking. The metal in my head clangs and clings as I walk - freaks my balance out. So the natural thought is just clogged up. Totally clogged up. So we need to unplug these dams, and make the the natural flow... It sort of freaks me out. We need to unplug the dams. You cannot stop the natural flow of thought with a cling and a clang..."

                  Comment


                  • #10
                    Well I probably am already fat adapted, as I've been following a low-carb high-protein regimen for years. It's because it was no longer working and the pounds were creeping on that I started looking for something more effective (especially after gaining even more from quitting smoking...)

                    I love the concept of primal but found the entire 21 day challenge barely moved my scales, partly because there was very little change from what I was doing anyway. Main difference is I've now cut out legumes, such as the small can of reduced-sugar baked beans I'd get through almost every day

                    Hacks such as IF appeal to me BUT I know during the day, especially while pondering on a client's work (I'm an advert' writer) I get the urge to snack and nibble. That's 10X worse since the quit smoking thing!

                    The potato thing worked for me because I could munch spuds with various different spices and stuff. My concern, and why I only did it for 3 days, was the lack of nutrients, including low protein.

                    The TV program showed how you could eat normally, just drastically reduced calories. So, back to the old "cut calories, that's all you need" thing? Well as an ex bodybuilder I already know that just starving yourself doesn't work, as the body adapts, eats its own muscles and clings onto every scrap of food it can get by cravings, triggering binge-eating and fat storage...

                    But being only 'somewhat starved' for just 2 days a week? Eating nutritious grub, not just taters?

                    That seems easy to do and the programme made it seem both healthy and slimming. Combine that with fasted-state morning exercise and I'm starting to feel confident about getting back a 6 pack I haven't seen for over 10 years

                    If you haven't seen the prog' it's worth watching, link above.

                    For me though, the idea of fasting all day until the evening? That's a non-starter. Heck, I'd probably end up smoking again or something... I already get through 5 or 6 cups of coffee as it is.

                    Can you imagine? No cigarettes, no coffee and no nibbles, for 18 hours?

                    Prison or worse, less than a week, fo' sho




                    AC

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                    • #11
                      There are some good fasting threads, and this BCC documentary was discussed.

                      When I fast, it is for weight loss. Autography sounds good and some day I will try an absolute water fast. Until then, I use things like fermented veggies (kraut mostly), bone broth, CO & butter in my coffee. I don't do coffee like that on a regular day, only when I know I am fasting. Usually WAY less than 600 calories for the day unless I have 2 or 3 coffees.

                      Those are the 48hr fasts. For just an IF of less than 24, I just wait until lunch or dinner with teas or coffee until then.
                      65lbs gone and counting!!

                      Fat 2 Fit - One Woman's Journey

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                      • #12
                        @AlanC

                        reading your last post I can't help thinking that you're possibly approaching the problem from the wrong direction. It is easy to think that "primal" refers just to the diet (or diet + exercise) but really it describes is a whole lifestyle. I realise that a lot of people are unwilling or unable to modify their lifestyle in a big way but IMO it is a prerequisite to doing primal "properly". The most important things as I see it are staying active and minimising stress. I personally don't think it's very helpful when people say, "grok did this" and "grok did that" but obviously Grok didn't have a stressful job in advertising that involved him sitting on his butt all day drinking coffee and smoking! You might find it easier to adopt the primal diet, etc (and might find that it works better for you) if you can also adopt the other aspects of the primal lifestyle.

                        Also FWIW when it comes down to straight fat loss, I found the most effective method for me was cutting out all sources of sugar (including fruit and "lower sugar" baked beans and other insulogenic foods.) for the period of time I was cutting. When I reached my desired weight I could re-introduce these foods and maintain the weight.

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                        • #13
                          Zilog, I truly appreciate the concern

                          However I didn't reply yesterday because worn out after a 2 hour mountain-climbing jungle trek...

                          I did come to the conclusion after dropping some weight on the 'potato fast' that I deffo do need more regular exercise, as exercise seemed to make more difference than my food intake.

                          As for stress, that's one thing I have very little off

                          My life is almost too easy, relaxed and laid-back. I wake up naturally with no alarm clock, I work as and when I feel like it and don't really have to worry about money any more. In fact I'd say THE biggest stress in my life is the fear of losing this lifestyle

                          It's true to say though that I spend WAY too much time on my ass and on the computer. I should also do more in the way of physical play, rather than entertaining myself on liveleak, imgur and Youtube (or marksdailyapple for that matter...)

                          The BBC 2/5 day thing seems powerful, both for health and weightloss, so I'm surprised not to see more about it on here. Most of the 'IF' talk here seems to be about delayed breakfast, the 16 hour thing. I'm just saying that for smokers or habitual nibblers, cold-turkey for 16 hours a day just isn't practical.

                          Personally I quit smoking last year, so that's one major health goal already reached



                          AC

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                          • #14
                            As a note, BBC pulled the video from youtube (copyright), but for now at least, here's one site where it's still available: Eat, Fast & Live Longer HD - Video Dailymotion
                            "Right is right, even if no one is doing it; wrong is wrong, even if everyone is doing it." - St. Augustine

                            B*tch-lite

                            Who says back fat is a bad thing? Maybe on a hairy guy at the beach, but not on a crab.

                            Comment

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