5: Responding To The Fasting Concerns Of Dr. Steve Phinney

5: Responding To The Fasting Concerns Of Dr. Steve Phinney

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Veteran health podcaster, blogger, international speaker, and bestselling author Jimmy Moore from “Livin’ La Vida Low-Carb” teams up with Toronto, Ontario Canada-based nephrologist Dr. Jason Fung from IntensiveDietaryManagement.com and Dr. Fung’s Clinical Director at his Intensive Dietary Management Program clinic Megan Ramos on this podcast dedicated to answering YOUR questions about intermittent, alternate day, and extended fasting. Jimmy and Dr. Fung are the coauthors of the 2016 international bestseller The Complete Guide to Fasting: Heal Your Body Through Intermittent, Alternate-Day, and Extended Fasting and, along with Megan, are happy to provide this podcast as an additional resource for anyone curious about going on a fast to improve their health. We love hearing from our listeners with new questions–send an email to Jimmy at livinlowcarbman@charter.net. And if you’re not already subscribed to the podcast on iTunes, then you can do that and leave a review HERE. Listen in today as Jimmy and Jason respond to the fasting concerns of ketogenic researcher and author Dr. Steve Phinney in Episode 5.

Here is the video from Low Carb Down Under where Dr. Phinney was asked what he thinks about using fasting as part of a healthy lifestyle:

Listen in as Jimmy and Jason respond to Dr. Phinney’s concerns about fasting in Episode 5:

– Labels fasting as a “fad” saying it will produce major pushback from the health authorities when people start dying suddenly
– Getting adequate fluid, potassium, and sodium with an intermittent fast up to 24 hours is benign
– After 24 hours of no calorie intake, the body starts breaking down protein from lean tissue
– By Day 3 of fasting, the rate of lean tissue loss is equivalent to 3/4 pound per day
– The data on extended fasting in THE COMPLETE GUIDE TO FASTING is misstated
– If someone fasts for three days a week, the amount of lean tissue lost is greater than the amount of lean tissue they can regain in the other four days
– Doesn’t believe that Jimmy’s 10-pound lean tissue loss (according to DXA) during his 28 of 31 day fast in January 2016 was water, claims it would take 40 days of eating again to recover this loss (actually a follow-up DXA two weeks later showed all of that 10-pound “lean tissue” loss was back on my body again—so he’s mistaken)
– When someone fasts for a prolonged period of time, you’re vulnerable to “refeeding syndrome” (WWII prison camp prisoners suddenly died when they were fed copious amounts of food following extended fasting)
– There’s an acute shift in minerals out of the bloodstream into the cells causing an impairment of heart function
– The Liquid Protein Diet is used as an example of sudden death from refeeding syndrome that was reported as happening because of ketones…it shut down the science on ketosis for two decades
– For some people, a 36-hour fast is fine as long as the other 5 1/2 days of eating have adequate minerals (apparent contradiction of his earlier statement)
– We need research that shows long-term, positive, sustainability for people who are fasting to reverse diabetes and reduce body fat that goes 1-2 years
– With two-week fasting or longer, the rate of protein breakdown comes down markedly. First day of fasting produces very little protein breakdown, the rate of protein breakdown peaks on the third day of fasting, by two weeks the lean tissue loss is about one-third pound lean tissue loss daily and at 28 days it’s a quarter-pound a day of lean tissue loss (another contradiction of earlier statements)
– If you only look at urea, then the lean tissue loss seems to be much less but ammonia, creatinine, and other byproducts all make up the lean tissue loss as well so urea doesn’t give the entire picture.
– It’s unethical to write a book telling people to start fasting on their own (and yet we mention to consult with a physician often throughout our book)
– I’m not saying fasting is wrong, but we don’t know what the truth is
– Getting adequate potassium and magnesium is critically important and you’re not getting these when you are fasting

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Jimmy Moore from “Livin’ La Vida Low-Carb”
Dr. Jason Fung from Intensive Dietary Management
Megan Ramos from Intensive Dietary Management
Video from Low Carb Down Under where Dr. Phinney was asked what he thinks about using fasting as part of a healthy lifestyle
– Study published in September 2016 issue of Obesity journal: A randomized pilot study comparing zero-calorie alternate-day fasting to daily caloric restriction in adults with obesity.
The Complete Guide to Fasting: Heal Your Body Through Intermittent, Alternate-Day, and Extended Fasting
– Get the full audiobook read by Jimmy on Audible
Fung Shweigh Facebook page

  • Bella Donna

    As usual a complete joy listening to Dr Jason Fung speak so eloquently, amusingly and with such utter sense on the subject of fasting – without putting anybody else down he deftly refutes some of the more ridiculous notions about fasting out there. Keep on spreading the word out there JF and keep having him on the show Jimmy.

    • LLVLCBlog

      It’s Jason’s call to be on once a month…that’s all he’s committed to doing, so we make the most of it.

  • ramon

    n=1 I have been doing two 24 hours fasts a week(Tuesday Thursday) while on a ketogenic diet. I do have a carb re-feed day (I lift weights and it helps(Friday). From my experience when I get energy on a fast it is nervous energy, not so much strength for weight lifting. I generally dont feel super strong on a fast. It is the sort of energy that makes me want to go on a walk or do some chores.

  • Belinda

    Inspired by Complete Guide to Fasting I’ve done long term fasts and frequent maintence short term fasts and LCHF diet. I’m now entirely cured of life-long severe depression. Thank you so much for your book that allowed that to happen – life changing. AND I’ve had huge sporting performance benefits from being fat-adapted. Just reading Dr Phinney’s Low Carb Performance for further guidance so I was hugely disappointed to see the video of him slating your book, especially when you already discuss all of his concerns within. Excellent response in this podcast.