Reading time: 6 minutes
What I Discuss with Jim Kwik:
- Why Jim followed up Limitless with Limitless Daily, a one-page-a-day book to reset, rewire, rise, and radiate…02:24
- The hydrogen bathtub in my garage surrounded by red lights, and how many hydrogen tablets it would take to do the same job…03:10
- How to write an affirmation your brain will not argue with without sounding like Stuart Smalley, and why it’s so hard to outperform how you see yourself…11:32
- Using movement for brain optimization rather than exercise, and how it drives brain-derived neurotrophic factor (BDNF), fertilizer for new brain cells…13:38
- Why racket sports and dance beat swimming and jogging for lifespan, and how they build cognitive reserve, the buffer that protects thinking as you age…15:38
- Whether an audiobook on a walk teaches you as much as reading a book in a chair, and why faster playback can actually sharpen your focus…17:13
- Jim’s mantra of human intelligence over artificial intelligence, and the MIT study that scanned the brains of three groups of essay writers…24:16
- What London cabbies’ brains looked like before satellite navigation, and the deliberate discomfort training Jim uses to keep his own memory working…27:20
- Why WALL-E is Jim’s picture of digital dementia, and how atrophied critical thinking makes a population easier to manipulate…31:15
- Jim’s BUILD framework (brainstorm, understand, imagine, leverage, decide) for using AI as a critic instead of an answer machine…32:17
- The white bear effect, and why the 15-45 minutes of sleep inertia after you wake sets your focus for the whole day…43:30
- Attention as the currency you spend rather than give away, and the cognitive rigidity that killed Blockbuster and Kodak…51:20
- The four daily basics Jim ranks above every device in his house, and the relationships he puts right alongside them…56:02
- My afternoon 40 Hz gamma protocol (the brain’s fastest wave band) and how it impacts how quickly he falls asleep…58:57
In this episode, you’ll hear repeat guest Jim Kwik on cognitive offloading and where the line sits between using your phone as a second brain and letting your own memory go slack. We dig into the MIT study that scanned essay writers’ brains and found the ChatGPT group remembered the least of what they wrote, why movement drives BDNF, and why racket sports sit at the top of the longevity list. Plus, we explore the white bear effect that makes “don’t check your phone” the least useful instruction you can give yourself.
You’ll also learn Jim’s BUILD framework for using AI as a critic rather than an answer machine, how to write an affirmation your brain will not immediately reject, why the 15 to 45 minutes of sleep inertia after you wake carries more weight than any other window in your day, and the four daily basics Jim ranks above every device in his house. We close with the 40 Hz gamma protocol I now use in the early afternoon, and the surprising effect it’s had on how quickly I fall asleep at night. All of this comes straight out of Jim’s new book, Limitless Daily, designed to give you one simple, actionable lesson each day for an entire year.
Jim Kwik is one of the world’s leading experts in memory improvement, brain optimization, and accelerated learning. For more than 30 years, he has served as the brain coach to professional athletes, political leaders, business magnates, and Hollywood icons. His corporate clients include Google, Virgin, Nike, Zappos, SpaceX, GE, 20th Century Studios, and Cleveland Clinic, as well as institutions such as the United Nations, U.S. Air Force, Caltech, and Harvard. He reaches over 200,000 people annually through live keynotes, hosts the Kwik Brain podcast with over 100 million downloads, and his Kwik Learning online courses are used by students in 195 countries. Beyond his coaching work, he funds Alzheimer’s research and the creation of schools in Guatemala and Kenya, providing healthcare, clean water, and education to children in need. His mission: No brain left behind.
For additional insights, you can check out our previous show together below:
You can find his new daily reader, Limitless Daily, here.
Episode Sponsors
Tecton Ketones: Tecton Ketones deliver bioidentical D-beta-hydroxybutyrate (BHB), the same ketone molecule your body naturally produces during ketosis, providing clean cognitive support, stable energy, and performance without the conversion step required by many ketone precursors. Visit tectonketones.com/ben and use code BEN for 16% off your first order.
ULTRA: ULTRA is a clean, nicotine-free, and caffeine-free pouch designed to deliver smooth, sustained energy and focus using clinically backed nootropics and adaptogens without the jitters, crashes, or sleep disruption. With flavors like their new Blue Razz, it’s a simple, effective way to stay sharp throughout the day. Visit takeultra.com and use code BENGREENFIELD for 15% off.
Forkful: Forkful delivers chef-cooked, fresh, ready-to-eat meals made with premium ingredients like grass-fed bison, wild-caught salmon, and fresh vegetables, with zero seed oils and no meal prep or cleanup required. Choose from options including gluten-free, dairy-free, keto, plant-based, GLP-1, and low-carb meals, delivered fresh to your door and ready in under 3 minutes. Visit ForkfulMeals.com and use code BEN50 for 50% off your first order.
Just Thrive: If you’ve accepted bloat, cravings, and sluggish digestion as normal, the Just Thrive Gut Essentials Bundle pairs a probiotic clinically proven to arrive 100% alive in your gut with Digestive Bitters, a blend of 12 science-backed herbs that support digestion and GLP-1 production. Visit justthrivehealth.com/BEN and save 20% with promo code BEN, or get a full refund if you don’t notice a difference.
Episode Resources
People
Companies & Products
- Kwik Learning
- Lumati (use code 10BEN for 10% off)
- Synergy Science Echo H2 (use code BGL10 for 10% off)
- roXiva
- Vielight (use code GREENFIELD for 10% off)
- Wispr Flow
- WALL-E
Books
- Limitless Daily: 366 Keys to Train Your Brain, Master Your Mind & Win Every Day by Jim Kwik
- Limitless: Upgrade Your Brain, Learn Anything Faster, and Unlock Your Exceptional Life by Jim Kwik
- Boundless by Ben Greenfield
- The Daily Stoic: 366 Meditations on Wisdom, Perseverance, and the Art of Living by Ryan Holiday and Stephen Hanselman
- Drunk Tank Pink: And Other Unexpected Forces That Shape How We Think, Feel, and Behave by Adam Alter
- Six Thinking Hats by Edward de Bono
- 100 Ways To Boost Your Metabolism by Ben Greenfield
Podcast Episodes
- Unlocking The Superpowers Of Speed Reading, Memory Enhancement, Learning Skills Faster & More With Jim Kwik.
- The Electrolyte & Mineral Replenishment Strategy Closest To Human Plasma, How To “Bathe In Hydrogen”, Nasty Water Industry Myths & Truths & Much More With Robert Slovak.
- How To COOL Your Body For Better Sleep, INCREDIBLE Travel Sleep Tips & Orion Vs. Eight Sleep With Dr. Michael Breus
- Tim Ferriss and Ben Greenfield Delve Into Tools of Titans: The Tactics, Routines, and Habits of Billionaires, Icons, and World-Class Performers.
Studies & Research
- Your Brain on ChatGPT: Accumulation of Cognitive Debt when Using an AI Assistant for Essay Writing Task
- Various Leisure-Time Physical Activities Associated With Widely Divergent Life Expectancies: The Copenhagen City Heart Study
- Navigation-related structural change in the hippocampi of taxi drivers
- Paradoxical effects of thought suppression
- 40 Hz light flickering promotes sleep through cortical adenosine signaling
- Harvard Study of Adult Development
Do you have questions, thoughts, or feedback for Jim Kwik or me? Leave your comments below, and one of us will reply!