Jay Feldman: Convincing Us To Ditch Restrictive Diets, Reduce Life Stress, And Achieve Maximum Cellular Energy Status


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By Brad Kearns. Discovered by Player FM and our community — copyright is owned by the publisher, not Player FM, and audio is streamed directly from their servers. Hit the Subscribe button to track updates in Player FM, or paste the feed URL into other podcast apps.

Let’s get ready to rumble with Jay Feldman—one of my favorite guests and someone who has prompted me to rethink many of my closely and previously held notions about ancestral living and the role of fasting and carb restriction for peak performance and longevity!

Hopefully you have already heard my two previous episodes with Jay, as well as my four-part follow up series to reflect on the Energy Balance concepts. These topics have been circulating in my mind so I’ve been talking to experts about this new and progressive idea about the stress impact of things like restrictive diets and how they may be reflected upon differently if we step back and disengage from some of our obsession with ancestral living, as well as blanket assumptions about fasting, low-carb/keto, and time restricted feeding. It has been a wonderful journey—I am now five months into an experiment to eat more fruit and more carbs in general, and it’s been going really well.

I had a whole outline going into this interview with Jay and we basically didn’t touch it, so you can be sure Jay will be back for a fourth episode, but for now enjoy this show—we had a really interesting conversation about a variety of different topics, and this episode combines big picture insights with moments of going super deep into scientific insights. It’s always great to have Jay back on because he is such a thoughtful communicator and also a deeply curious, knowledgeable person—with any subject he talks about, it is guaranteed that he has spent an immense amount of timing researching everything about it, so you’ll get some great scientific insights as well as some great takeaways about everything relating to the energy balance approach to diet and healthy living in this show.


You will get a deep understanding of the relevance of stress and the difference between the mechanism and the damage caused by stress. [01:09]

The digital lifestyle has exploded. [08:26]

Some of the pillars of ancestral health are questioned. [11:08]

What has been learned with the rat studies about calorie restriction? [17:18]

It was said that you can’t eat fruit in the winter. What’s that about? [26:59]

We have to adjust to what we have in today’s world. [32:15]

We say everyone is different, but in the long run, are we humans all the same? [36:34]

It is hard work to become metabolically flexible. [41:36]

Are stress hormones a big deal? What are the benefits? [45:58]

Autophagy is consumption of the body’s own tissue as a metabolic process occurring in starvation and certain diseases. [55:68]

The main signal that is triggering stress comes down to reactive oxygen and low energy. [58:16]

How does someone who is less active and wants to be rid of some excess body weight get more metabolically healthy? [01:01:48]

Jay describes what he thinks is the optimal human diet. [01:08:37]

Carbs are not the only macronutrient that can cause digestive issues. [01:12:29]

Brad’s dietary experiment has taught him a lot about seeking balance between exercise and nourishment. [01:17:22]


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