Welcome to another wide-ranging “Random Show” episode that I recorded with my close friend Kevin Rose! We cover our recent Zen meditation retreat with Henry Shukman at Mountain Cloud Zen Center in Santa Fe, the fascinating science of vagus nerve stimulation, my recent back pain breakthrough, balance training tools, tendon-strengthening protocols from Swedish rock climber Emil Abrahamsson, the emerging research on photobiomodulation, urolithin A supplementation, blood flow restriction training, the Norwegian 4×4 protocol for cognitive longevity, podcast recommendations, vintage Japanese finds on Etsy, Kevin’s hummingbird feeder obsession, and much more. This episode is brought to you by: Eight Sleep Pod Cover 5 sleeping solution for dynamic cooling and heating: https://EightSleep.com/Tim Cresset family office services for CEOs, founders, and entrepreneurs: https://CressetCapital.com/Tim AG1 all-in-one nutritional supplement: https://DrinkAG1.com/Tim [00:00] A meditative start. [02:08] Reflecting on our second Zen retreat in Santa Fe with Henry Shukman. [03:59] Ketone liver warnings and eggplant allergies: The perils of raiding Kevin's fridge. [07:59] "Just be still" — three simple words that miraculously shut down my OCD. [13:49] Is meditation secretly vagus nerve stimulation? [17:14] DIY vagus nerve stim for $25 vs. Kevin's $900 ear clip. [22:01] HeartMath and watching your HRV move in real time. [25:04] Marching toward 50: balance boards and the end of jiu-jitsu. [28:39] Tony Hawk snowboarding Hokkaido with screws in his hip. [30:15] Slacklining and why your nervous system needs sleep cycles. [32:36] Bertolotti's Syndrome: My six-year back pain gets a name. [34:34] The nerve block test: everything wrong, zero pain. [40:10] Abrahangs tendon protocol: 10 seconds on, 50 off. [42:27] The NUG: a pocket hangboard for travelers. [44:44] Craig Mod's Japanese toothbrush and Toaster's cameo. [46:58] Kevin's $92 vintage fire jacket: Blue Heritage Japan. [50:43] Podcast picks: The Power Broker and STEM Talk. [52:25] Alzheimer's: A plaque or mitochondrial problem? [53:46] 10 grams of ketones turns one-word answers into sentences. [54:58] Methylene blue on Amazon: 120 years of research, zero guardrails. [59:03] Bredesen Protocol, APOE genotyping, and a cognitive comeback. [01:02:06] Photobiomodulation: $30k laser to the forehead. [01:04:31] Urolithin A and the high price of mitochondrial upkeep. [01:11:38] Recipe for disaster pants: espresso + creatine + MCT oil. [01:14:29] Norwegian 4x4 training and lactate as a brain lever. [01:20:17] Blood flow restriction cuffs and schwantz ring koans. [01:26:21] Hummingbirds named Sunset and squirrel obstacle courses. [01:29:12] Parting thoughts. Tim Ferriss is one of Fast Company’s “Most Innovative Business People” and an early-stage tech investor/advisor in Uber, Facebook, Twitter, Shopify, Duolingo, Alibaba, and 50+ other companies. He is also the author of five #1 New York Times and Wall Street Journal bestsellers: The 4-Hour Workweek, The 4-Hour Body, The 4-Hour Chef, Tools of Titans and Tribe of Mentors. The Observer and other media have named him “the Oprah of audio” due to the influence of his podcast, The Tim Ferriss Show, which has exceeded one billion downloads and been selected for “Best of Apple Podcasts” three years running. Sign up for "5-Bullet Friday" (Tim's free weekly email newsletter): https://go.tim.blog/5-bullet-friday-yt/ Follow the Tim Ferriss Podcast: https://tim.blog/podcast/ Visit the Tim Ferriss Blog: https://tim.blog/ Follow Tim Ferriss on Twitter: https://twitter.com/tferriss/ Follow Tim Ferriss on Instagram: https://www.instagram.com/timferriss/ Like Tim Ferriss on Facebook: https://www.facebook.com/TimFerriss/