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Extreme endurance

21,482 просмотров • 6 месяцев назад •via X (Twitter)

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New episode on the optimal exercise intensity, duration, and frequency to prevent and reverse heart aging! In this podcast episode, Dr. Benjamin Levine discusses his groundbreaking research, which reveals how three weeks of bed rest can have a more detrimental impact on fitness than 30 years of aging. Dr. Levine details his research findings that show how a structured exercise regimen can reverse up to 20 years of heart aging by improving both shrinkage and compliance, as well as enhancing aspects of vascular age by 15 years. He also discusses how resistance training and aerobic training have profound differences on the heart, what risks are linked to high-intensity exercise, why recovery is key for the heart, how exercise duration and intensity affect coronary calcium levels, what exercise dose increases Afib risk, and so much more. This episode is a must! Available on YouTube, Spotify, X, and everywhere else. Links in comment. Timestamps: 0:00 - Introduction 1:31 - Bed rest vs. 30 years of aging 5:18 - Recovering from bed rest 6:49 - Does exercise protect against long COVID? 11:27 - Bed rest as a model for space flight 12:24 - How bed rest affects heart size 13:52 - Why a brand-new rubber band mimics a lifetime of endurance training 17:23 - The exercise dose that preserves youthful cardiovascular structure 19:32 - Reversing 20 years of heart aging 23:14 - Reversing vascular age by 15 years 28:38 - Why start an exercise regimen in your 70s? 34:26 - High-intensity exercise risks 37:51 - Balancing high- & moderate-intensity training 42:49 - Training for health vs. training for performance 43:57 - Why muscle mass & cardiorespiratory fitness are like retirement funds 45:12 - Make exercise part of your personal hygiene 46:16 - Why VO2 max correlates with longevity 53:43 - Cardiorespiratory fitness & mortality 59:21 - How does change in fitness over time affect mortality? 1:01:34 - Exercise non-responders 1:05:23 - Limiting factors for VO2 max improvements 1:08:20 - How marathon training affects heart size 1:12:34 - Heart adaptations in purely strength-trained vs. endurance athletes 1:18:23 - Why pure strength-trainers should incorporate endurance training 1:22:07 - How strength training affects blood pressure 1:26:41 - How exercise influences cardiac output 1:28:39 - Does CrossFit count as endurance training? 1:31:04 - Exercise for improving blood pressure 1:36:11 - Lifestyle strategies for treating hypertension 1:38:40 - Why recovery is key 1:42:36 - The best indicator of being overtrained 1:43:36 - Estimating training zones 2-5 1:50:00 - Why HRV is a poor recovery indicator 1:55:16 - Why men are faster runners than women 1:58:49 - Can women achieve similar aerobic exercise benefits doing 2x less? 2:00:21 - Possible cardiovascular benefits of HRT in women 2:02:12 - Defining “extreme exercise” 2:04:00 - How exercise volume affects coronary plaque calcification 2:10:50 - How exercise duration & intensity affect coronary calcium levels 2:14:03 - Why high exercise duration & intensity increases Afib risk 2:16:33 - What exercise dose increases Afib risk? 2:17:59 - Managing stroke risk in athletes prone to Afib 2:21:14 - Why you shouldn’t become an endurance athlete to “live longer”

Dr. Rhonda Patrick

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Boston Dynamics just dropped the production-ready Atlas at CES 2026, and the specs are next-level. This isn't just a prototype; it's a rugged, enterprise-grade worker built for the grind of real-world factories.🤖🦾 With 56 degrees of freedom and fully rotational joints, Atlas moves with "superhuman" flexibility. It features human-scale hands with tactile sensing in every finger and palm, allowing for high-precision manipulation. Plus, its 360-degree vision system ensures it always knows who's approaching, keeping human-robot collaboration safe. ➤ Rugged Performance: Lifts up to 110 lbs (approx. 50kg) and operates in extreme temps from -4°F to 104°F (-20°C to 40°C). It’s even water-resistant for industrial wash-downs. ➤ Smart Endurance: Runs for 4 hours on dual swappable batteries. When power gets low, it autonomously heads back to the station to swap its own batteries and get right back to work. ➤ Cloud Intelligence: New tasks can be trained in less than a day. Thanks to the Orbit platform, once one Atlas learns a skill, it’s instantly shared across the entire fleet. The scale is massive: the entire 2026 supply is already spoken for by Hyundai and a new AI partner. Hyundai is also building a specialized "Robotics Metal Plant" and a new factory capable of churning out 30,000 Atlas units annually. We’re officially watching the birth of a humanoid workforce at scale. Source: Boston Dynamics & Hyundai Group

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🚨🇺🇸🇮🇷 TRUMP IS RUNNING OUT OF TIME FOR GROUND INVASION OF IRAN History laughs at armies who ignore the calendar. Russia’s winter destroyed Napoleon and Hitler. For Iran, it’s the summer that kills. Trump’s narrow window for a ground invasion is slamming shut. The Middle Eastern summer— just as brutal, just as unforgiving— will turn any land campaign into a catastrophe. 🔸 April: Troops need 10–14 days acclimatization. Marines in 50+ lb gear already hit Wet Bulb Globe Temperature near 32°C — Army’s mandatory activity-reduction threshold 🔸 May: Coastal islands roast at 42–47°C. Persian Gulf = world’s most extreme marine heat environment, shredding endurance before boots even hit ground 🔸 June: Air 52°C, exposed metal 71°C, vehicle interiors 80°C — equipment fails, soldiers cook inside their own armor 🔸 July–August: Wet bulb hits 35°C — human body cannot cool itself even in shade. Sustained ops become physiologically unsurvivable without AC that often breaks in the heat 🔸 September: Heat finally eases, but months of thermal stress leave vehicles, weapons and troops degraded and exhausted From late April onward, southern Iran becomes a natural fortress. Dust storms blind sensors, zero summer rain + water scarcity turns logistics into hell, and low-flying drones face turbulent chaos. Even US satellites and AI can’t beat Mother Nature when the battlefield itself becomes the enemy. So will Trump gamble on a desperate summer ground war? Or admit that—once again—the calendar just beat the Empire?

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Peptides aren’t “bro science” anymore. Dr. Alex Tatum just sat down on Diary of a CEO and calmly dropped the 15 most useful ones right now — what they actually do, who they’re for, and how they’re used. Here’s the no-BS version: BPC-157 → Torn muscle, tendon, or gut issues? It grows new blood vessels at the injury site. Healing on overdrive. GHK-Cu → Fine lines, sagging skin, thinning hair. Real collagen + elastin boost (topical). Semax → Brain fog and mental fatigue? Nasal spray that hits focus in minutes. Melanotan 2 → Fair-skinned and hate burning? Tells your body to tan harder with less sun. PT-141 → Low libido or ED that Viagra can’t fix. Works on the nervous system, not blood flow. Retatrutide → Extreme fat loss + fatty liver. Triple agonist (GLP-1/GIP/glucagon). Bodybuilders already treat it as the new standard. Tesamorelin → Stubborn belly fat after 30. Targets visceral fat specifically via GH. CJC-1295 + Ipamorelin → Better sleep, recovery, and slow fat loss without the harsh sides. Bedtime stack. TB-500 → Nagging injuries that won’t heal. Pairs perfectly with BPC-157. Tirzepatide → More aggressive fat loss than semaglutide when insulin is high. DSIP → Broken sleep cycles (shift work, travel). Deep delta-wave repair sleep. MOTS-c → Endurance and cellular energy without stimulants. More ATP. Epitalon → Longevity play. Activates telomerase. IGF-1 LR3 → Advanced body-composition tool. Only works with hard training. These aren’t magic. Most still need proper sourcing, dosing, and medical oversight. But the mechanisms are real and the results some people are getting are hard to ignore. Which one surprised you the most?

Dr. Dawn Michael

21,795 просмотров • 26 дней назад

On May 8, 2025 I underwent spinal fusion surgery, a 6 hour procedure in which I was filleted from front to back. First, my abdomen was opened up so that the surgeon could scrape out the disc between L5 and S1, replacing it with a perforated cage containing bone grafting material that was screwed into my vertebra. Then I was flipped over and opened up on my back so that my surgeon could screw vertical rods into L5 and S1 to secure my spine position to ensure the fusion sets properly. The procedure was successful, correcting 15 years of lower back debilitation due to severe Spondylolisthesis. However, the recovery process demanded I endure far more than I bargained for, debilitating me in ways I thought might handicap me permanently. For the first 3 months I could barely move. For the first six months my activity was limited to walking only. Pain was constant. At nine months I was still in so much discomfort, still so limited in my range of motion, still too unstable to do anything to elevate my heart rate. My weight ballooned. My muscles atrophied. My mood plummeted. And I was becoming resigned to the idea that my athletic identity (let alone performing extreme feats of ultra-endurance) was a thing of the past, a memory well behind me. But very slowly after that I began to turn a corner. At ten months, I finally felt stable enough to resume a very modest non-spine compressing return to fitness exercise regimen. Zone 1 indoor cycling, gentle core work, extremely low weight / high rep resistance training. Proceeding on a ‘less is more’ mandate in late November (which demands discipline for someone like myself prone to taking everything to the extreme, I just showed up every single morning to do what I could, and stop well before doing more than I should. Today I am down 35 pounds from November (207 to 171) including a body fat reduction from 20% to 11%. More importantly, I am beginning to feel like myself again. Grateful and hopeful. I still have a long way to go—it takes 12-18 months for the fusion to fully set. My surgeon was not optimistic that I will be able to run again. Time will tell of course, but I’m confident that provided I continue to proceed patiently that I have a future in which running can become part of my new reality. Towards that end I have a goal—which is to celebrate my 60th birthday this Fall by participating in the NYC Marathon. But here’s the thing. I’m not trying to return to who I once was. I’ve leaned into the stillness this experience has demanded of me to become someone new and better. I am posting this story not for external validation but rather to say that change is always possible. And the way to do it is the same way I have navigated every one of my many life transformations, from alcoholism to sobriety, from sedentary to middle aged ultra endurance athlete, and from a corporate lawyer career to becoming an author and podcaster: getting sober and staying sober: by taking contrary action consistently and religiously—one day at a time. As Chris Paul said on my podcast, “keep stacking days.” And remember, every obstacle life presents you is simply an opportunity custom-designed for your growth and evolution.

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