Does Intermittent Fasting Increase Human Life Expectancy?
Does Intermittent Fasting Increase Human Life Expectancy?

55 thoughts on “Does Intermittent Fasting Increase Human Life Expectancy?”

  1. ooo789456123 says:

    Love 🌱 keep going 🧡🏃 , but please not so many cliffhangers

  2. Rafa Nino says:

    I like so much tour videos in currently Nutrition studying and I hop reach your email I hope to continue my PhD in USA can you help me please

  3. Eelke Aptroot says:

    health span over life span!

  4. Crepito says:

    Please always check if the study did not include any food in ‘fasting’ days. Some use 500kcal. Just focus on hours fasted.

  5. Crepito says:

    Please always check if the study did not include any food in ‘fasting’ days. Some use 500kcal. Just focus on hours fasted.

  6. Swiss Lady Driver says:

    Maybe not, but it sure feels nice.

  7. Phat Vegan says:

    Fantastic, As ALWAYS!

  8. Swiss Lady Driver says:

    So basically, the study you discussed is crap and doesn't provide any meaningful Information? Why bother making the Video?

  9. Chris Wesseling says:

    Maybe it was the milk…

  10. Shari T says:

    Thanks for doing the research and posting! Noteworthy how surprisingly little science is out there despite the hype.

  11. axiom says:

    Perhaps but the stress from doing it may not be worth it 🤷‍♂️

  12. Darko Kreculj says:

    Peter Attia has a good presentation about this.

  13. Emily BH says:

    Let's see a study that compares the human G.I. tract to primates that shows they are nearly the same and points out the obvious — that humans are not eating a species appropriate diet and have been lied to about what that consists of. Needless to say, I won't hold my breath for that video.

  14. Raphael Quaglio says:

    Kaku said that rats live longer. We want animal studies!

  15. Powernoodle says:

    Greger is conjuring up everything he can to poo poo intermittent fasting.

  16. Indiegaze says:

    So basically – maybe it works and maybe it doesn’t, because the evidence isn’t clear enough and I leave the video being just as confused as I came into it.
    I wish there were some conclusions or advice on these videos because I after 10 of these fasting videos I still don’t know if you think we should do it or not and in which way.

  17. Sadiq Hussain says:

    So What did your studies meant?? No Sense.😇😇

  18. Mari says:

    Again Japanese don’t fast, but we’re healthier before all sorts of foods came in. 😁

  19. Oliver Barker says:

    Can you do a video about Autophagy?

  20. jbidwell605 says:

    For the people freaking out about being confused – this is just one part of his webinar on fasting. He does go into further depth with fasting and circadian rhythm (early intermittent fasting) as the best proven method. i.e. Only eating breakfast and then a light lunch, then skipping dinner and fasting until the next morning.

  21. Cummings Family says:

    Got excited for a minute when I saw "human," and thought you were finally going to get to intermittent fastings effect on human growth hormone 🙂 So far none of the studies have actually been on fasted individuals ( ex: milk on fasted days on this study), and the only type of fast is alt-day. We need data on actual fasting intermittently.

  22. Rabbit Food Fitness says:

    Interesting video, Dr. Greger. From what you have said it does seem that alternate day fasting may help lengthen a person's life.

  23. Bobby Thomas says:

    I think you would be more relevant a half century ago, like most of your favourite articles.

  24. Plant Maven says:

    We evolved fasting at times as all animals do. It may have been helpful then, but with supermarkets and restaurants, we got off track.

  25. Chuck T. says:

    Pretty amazing study given they had MILK on their fasting day, don't you think?

  26. jib the world says:

    Can you take a look at intermittent fasting for only eating in a window of time each day? thanks!

  27. michael onello says:

    Interesting but seems inconclusive, to many variables or differences…..Thank you, enjoying all the stuff you're coming out with on fasting!
    Vegan whole plant based foods on Instagram == mikewakethefoodup

  28. Kelly AC says:

    Why would you even post this? Why are you avoiding 16-8 hour fasting or 1 meal a day?

  29. Rob Williams says:

    Wow the last video wasn't enough of a downer? we needed another that was like 'well it might work, but the data is crazy and there's not enough, and the people running it were probably biased…'

  30. atila correia says:

    So people were eating even on fasting days. lol, what a great study on "fasting".

  31. Michael Bradley says:

    Could it be possible that fasting is only beneficial for carnivores as they are not putting that bad crap in their mouths, whereas fasting maybe harmful for Vegans as the don't need the dietary restriction?????????????????????????????????? Is that why you get a lot of youtube vegans swapping to carnism after fasting!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! My observational study.

  32. mmmgorgeous says:

    Yes, it does.

  33. Andrés Rubio says:

    This video says nothing

  34. Benoit Alcide says:

    It's a shame that this study was made under the fascist government of Franco. The poor ancients didn¡t have the chance to choice to avoid the study. Perhaps today will be voluntaries for such a test, but surely, the subjets would want to be payed.

  35. helenGD says:

    Na. Doesn’t mean it’s beneficial. It’s called starving yourself.

  36. Neophyte says:

    they ate 1600 kcals on average. again this proves less about the alternation than it does about calorie restriction.

  37. Home Love says:

    2:30 Dr. Greger doesn't mention the amount of antioxidants on fasting days as a potential explanation for less hospitalisation in the fasting group. Aging has a lot to do with oxidative damage – and eating fruits (= antioxidants) should affect that.

  38. Adam Adam says:

    Um, the title of this video says ‘intermittent’ fasting, which is not the same as alternate day fasting. So what about intermittent fasting? Is there anything on that, please? Or OMAD?

  39. Kuango Seilah says:

    Have you ever checked into this story about a man who at age 27 over 350 pounds fasted for over a year on coffee, tea and water? It was supposedly documented by medical doctors it would be interesting to hear your thoughts on this. Here's a link in case you haven't heard of it before; Watch "A Man Who Refused to Eat for 382 Days and Lost 275 Pounds" on YouTube

  40. Captain Planet says:

    can you intermittant fasting where you just eat one meal a day. an apple, an ornage and a bannana is all i eat during this one meal

  41. Steph Ss says:

    Asthma is an inflammatory disease. Most of my inflammation responses are from food…wheat and dairy milk being the top two. It look me until my early 40's to realize this…so, for anyone with asthma, eat plants only, then deal with the animal hair, grass, molds, smoke, fragrances, or anything else you would take an antihistamine for. The biggest culprit is the food we eat. My allergies and asthma now is almost non existent, and I really wish I knew this sooner.

  42. Joe Zawinul Reviews and Reactions says:

    This trial doesn't seem unethical to try again. Just some people who want to calorie restrict half the time

  43. Colin Murphy says:

    Please look at intermittent fasting like 16/8 or 20/4 or even 23/1 without alternate day cycles. Haven't heard you mention autophagy once, which is like the main benefit of fasting isn't it?

  44. Fernando Fidalgo says:

    I was waiting for "…. we may actually never know if such impressive findings can be replicated.. UNTIL NOW.."

  45. Jeromy Layne says:

    And again the title of the video is click bait.

  46. Boleslaw The Brave says:

    Why talk about a study with COI and waste our time? Also 900 calories of sugar isn't fasting. You should know that…

  47. TheStewieGriffinShow says:

    Did anybody learn anything?

  48. Fer Ravenclaw says:

    Can you talk about how often it's safe to eat processed food??

  49. KinaStar says:

    so, I still feel confused about this. I'm on my 30s but want to know if I can go for this to keep my weight in the line since I love eating a high starchy diet. Thanks!

  50. Wayne RN says:

    Disappointed to see ZDoggMD talk about Vegan nutrition and “bad science” in his video on YouTube,
    Sure wish Dr. Greger could set him straight. Would love to see a rebuttal or even better an appearance on his talk show.

  51. Raw Thinking says:

    Dear Dr. Gregor,

    I have a very important question to ask and would be extremely happy about any form of reply!
    I recently did a complete DNA/microbiome test, where they tested my gut bacteria and other gut markers.

    My markers generally speaking pretty good. They found out that my microbiome is dominated by the "Ruminococcus" bacteria. However, it turned out that I am laking some bacteria that I find to be pretty crucial. They categorized by vitamin producing (we are talking about b12 and K) bacteria, which seem to be close to non-existent, or even non-existent in my gut. Regarding B12 it is Propionibacterium, Bacillus, and Lactobacillus that all mark 0.0. Looking at Vitamin K it is Enterobacter, Lactococcus, and Serratia with 0.0.

    My question is: Are the bacteria essential to build the vitamin. I know B12 is build by bacteria. So what if there is a lack of the bacteria producing B12. Can you counteract it with supplementation? I could send the report too, it's in German though. 😀

    I have been plant-based for about 5 years now, 24 years old, 183cm (6"0) and about 93kg. I do strength training so I would say I am overweight, but a body fat percentage of 18% could be true, Christmas is approaching…

  52. Chris Namaste says:

    Where was the "UNTIL NOW"! I feel cheated.

  53. JessBisme123 says:

    I wish these studies were about actual fasts. Lol.

  54. Patti Dunford says:

    Wow! that's so interesting

  55. ggzh a Argue With Everyone says:

    Is it possible that the experimental group ate more fruits since that was one of 2 food groups they could eat on fasting days, and that this lead to a better result?
    Or that they had better results because they consumed more milk?

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