The Human Upgrade: Biohacking for Longevity & Performance
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PodcastThe Human Upgrade: Biohacking for Longevity & Performance
Publisher/creatorDave Asprey
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One Creatine Dose Kept Sleep-Deprived Brains 12% Sharper A randomized, double-blind crossover trial kept 29 healthy adults awake for 21 hours straight ... half the time on a single moderate dose of creatine (~14g), half the time on placebo ... and found the creatine group held on to up to 12% more cognitive performance across logic, reaction time, and language processing. Host Dave Asprey breaks down why sleep deprivation is just another form of brain energy stress, how creatine's phosphate-buffering mechanism stabilizes ATP in the prefrontal cortex under pressure, and why this changes how he thinks about red-eye flights and all-nighters. Vegetarians and women showed the largest effects ... your baseline diet sets your ceiling. Sources: https://pubmed.ncbi.nlm.nih.gov/42075005/ https://www.nutraingredients.com/Article/2026/04/21/single-dose-creatine-may-support-cognition-in-sleep-deprivation-study/ https://pmc.ncbi.nlm.nih.gov/articles/PMC10902318/ https://medicalxpress.com/news/2024-04-creatine-cognitive-deprivation.html Your Gum Is Dosing You With Thousands of Microplastics A pilot study tested 10 commercial gums ... five synthetic, five marketed as natural or plastic-free ... and found every single one shed hundreds to roughly 3,000 microplastic fragments per stick into saliva, with no meaningful difference between synthetic and "natural" varieties. Host Dave Asprey connects this to total toxic load management, explains why "natural" label claims mean nothing without polymer-free verification, and makes the case that even innocent daily habits contribute to the cumulative plastic burden most people aren't tracking. The takeaway isn't panic ... it's precision. Sources: https://www.acs.org/pressroom/presspacs/2025/march/chewing-gum-can-shed-microplastics-into-saliva-pilot-study-finds.html https://www.sciencedirect.com/science/article/pii/S2666911025000243 https://samueli.ucla.edu/bursting-your-bubble-chewing-gum-releases-microplastics-into-your-saliva-ucla-research-shows/ https://www.food-safety.com/articles/10285-study-shows-chewing-gum-releases-thousands-of-microplastics-whether-gum-is-synthetic-or-natural Irregular Bedtimes in Your 40s May Double Heart Attack Risk Finnish researchers followed 3,231 people from age 46 using objective accelerometer data and tracked cardiovascular outcomes for a decade ... finding that people with highly irregular bedtimes, especially combined with short sleep, had roughly double the risk of major cardiovascular events compared to those with consistent sleep timing. Host Dave Asprey explains why your vascular biology runs on a precise circadian schedule, why ambitious, otherwise-healthy people are most at risk of ignoring this lever, and why a 90-minute bedtime window ... protected even on weekends ... may be one of the cheapest cardiovascular interventions available. It'snot just how much you sleep. It's when. Sources: https://www.sciencedaily.com/releases/2026/05/260504154026.htm https://hsph.harvard.edu/topic/aging/ Scientists Decode the Plant Molecule That Kills Cancer Cells in the Lab UBC researchers published a chromosome-level genome map of Mitragyna parvifolia ... a kratom relative ... and used it to decode the full biosynthetic pathway for mitraphylline, a rare alkaloid that has shown real anti-tumor activity in cell and animal models but has never been producible at clinical scale. Host Dave Asprey explains why this is the same early chapter that vincristine and paclitaxel were in before becoming mainstream chemotherapy, draws a hard line between this pipeline story and influencer narratives about kratom as a cancer treatment, and breaks down what it actually means when researchers crack a plant's genetic recipe for a bioactive compound. Nature has been solving cancer for millions of years... we're finally learning to read it. Sources: https://academic.oup.com/plcell/article/37/9/koaf207/8237526 https://www.sciencedaily.com/releases/2026/05/260512213836.htm https://news.ok.ubc.ca/2025/10/14/researchers-reveal-how-plants-make-anti-tumour-drugs/ https://pmc.ncbi.nlm.nih.gov/articles/PMC12217235/ Scientists Built an On/Off Switch for Sperm Production — No Hormones Cornell researchers used a small-molecule inhibitor called JQ1 to pharmacologically shut down sperm production in male mice for the duration of treatment, then stopped the drug and watched full fertility restore... with healthy offspring and no detectable genomic damage. Host Dave Asprey breaks down the BRDT mechanism that makes this work without touching testosterone or hormones, explains why this is a proof-of-concept rather than a near-market drug, and outlines the questions that need answering before this moves to humans: long-term testicular health, epigenetic marks in recovered sperm, and mood and testosterone interaction over time. The era of precision male reproductive biology is just beginning. Sources: https://pubmed.ncbi.nlm.nih.gov/41945432/ https://www.sciencedaily.com/releases/2026/04/260407193844.htm https://www.news-medical.net/news/20260407/Study-advances-safe-reversible-male-contraceptive-without-hormones.aspx https://www.independent.co.uk/news/science/breakthrough-male-birth-control-sperm-b2972841.html This episode is designed for biohackers, longevity seekers, and high-performance listeners who want mechanism-level clarity on cognitive performance, toxic load management, circadian biology, plant-derived drug discovery, and the future of male reproductive medicine. Host Dave Asprey connects emerging clinical research, objective epidemiological data, and real-world optimization protocols into actionable frameworks for extending healthspan, sharpening performance, and staying ahead of the science. New episodes every Tuesday, Thursday, Friday, and Sunday. Keywords: creatine sleep deprivation cognition, brain energy ATP creatine, microplastics chewing gum, natural gum microplastics, toxic load biohacking, irregular bedtime heart attack risk, circadian rhythm cardiovascular, sleep timing heart health, mitraphylline cancer compound, kratom plant alkaloid drug discovery, oncolytic plant molecule, male birth control non-hormonal, sperm production reversible, BRDT JQ1 contraception, biohacking news 2026, longevity research, performance optimization, healthspanextension Thank you to our sponsors! - KILLSwitch | If you’re ready for the best sleep of your life, order now at https://www.switchsupplements.com/ and use code DAVE for 20% off - ALP | Head to http://alppouch.com/ and use code DAVE for 20% off your first order - iRestore | Reverse hair loss at www.irestore.com/DAVE and get exclusive savings on the iRestore Elite, use code DAVE Resources: • Get My 2026 Clean Nicotine Roadmap | Enroll for free at https://daveasprey.com/2026-clean-nicotine-roadmap/ • Get My 2026 Biohacking Trends Report: https://daveasprey.com/2026-biohacking-trends-report/ • Dave Asprey's Latest News | Go to https://daveasprey.com/ to join Inside Track today. • Danger Coffee: https://dangercoffee.com/discount/dave15 • My Daily Supplements: SuppGrade Labs (15% Off) • Favorite Blue Light Blocking Glasses: TrueDark (15% Off) • Dave Asprey’s BEYOND Conference: https://beyondconference.com • Dave Asprey’s New Book – Heavily Meditated : https://daveasprey.com/heavily-meditated • Join My Substack (Live Access To Podcast Recordings): https://substack.daveasprey.com/ • Upgrade Labs: https://upgradelabs.com Timestamps: 00:00 – Intro 00:36 – Fluoride Correction 01:14 – Story 1: Creatine & Sleep Deprivation 03:21 – Story 2: Microplastics in Gum 04:53 – Story 3: Irregular Bedtimes & Heart Risk 06:31 – Story 4: Kratom Plant & Cancer Research 08:18 – Story 5: Male Contraception On/Off Switch 10:02 – Wrap-Up See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .
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Episode summary
I’m Dave Asprey, and this is your fast weekly upgrade on the biggest moves in biohacking, longevity, and health. Quick housekeeping on fluoride: the evidence at community water levels is mixed, and I support cutting exposure where you can. Thanks for the feedback, and let’s dive in.
Q: Can creatine protect your brain when you are running on no sleep? A: In a double‑blind crossover with twenty‑nine adults awake for twenty‑one hours, a single moderate dose, about fourteen grams, preserved up to twelve percent more cognitive performance than placebo. It likely stabilizes ATP in the prefrontal cortex under stress. Women saw larger gains, and people with lower baseline brain creatine, like many vegetarians, may benefit more. What to do: before a red‑eye or all‑nighter, take ten to fifteen grams of creatine monohydrate. It is a short‑term aid, not a license to skimp on sleep.
Q: What is hiding in your chewing gum? A: Testing on ten brands, both synthetic and so‑called natural, found every stick shed microplastics into saliva, from hundreds to approximately three thousand pieces per stick. Natural labels did not make it meaningfully cleaner, and polymers like polyethylene and polystyrene appeared. We lack direct human disease data at these doses, but microplastics can accumulate and inflame tissue. What to do: chew fewer pieces for longer, push brands for verified polymer‑free formulas, or use mints if breath is the goal.
Q: Do irregular bedtimes stress your heart? A: In a Finnish cohort of over three thousand people tracked at age forty‑six and followed for a decade, big swings in sleep timing plus short sleep were linked to about two times the risk of major cardiovascular events. Your vascular system runs on a clock, and erratic bedtimes scramble it. What to do: protect a ninety‑minute bedtime window most nights, including weekends.
Q: What is the real headline from the new kratom genome paper? A: A team at UBC built a chromosome‑level map of a kratom species and decoded the full pathway to make mitrafylene, a rare spirooxindole‑type alkaloid with anti‑tumor and anti‑inflammatory signals in preclinical models. It exists in trace amounts in plants, which stalls drug development; now we have the enzyme blueprint to produce it at scale in a bioreactor. This is not a claim that kratom treats cancer, and cat’s claw products vary wildly. What to do: treat this as the opening chapter of a drug‑discovery story, not a shopping list.
Q: Did scientists just build an on‑off switch for sperm? A: Cornell researchers used JQ1 to block BRDT, a testis‑specific protein that drives sperm development, shutting down sperm production in mice during treatment and restoring full fertility about thirty weeks after stopping. Offspring remained healthy, and testosterone was not hit. JQ1 itself is not the final drug, but the target works and is reversible. Next questions: long‑term testicular health, epigenetic marks in recovered sperm, and how this interacts with mood and hormones over time.
Five stories, one theme: the things you assume are neutral are not. Gum, late weekend bedtimes, skipping creatine, overlooked plant chemistry, and fertility programs all send signals. Biohackers refuse to ignore them. That is your weekly roundup—see you next Friday for another pass at the biggest health stories.
The Human Upgrade is for information only and is not medical advice. Talk to your healthcare provider before using any products or protocols mentioned. Guests speak for themselves. This show may include paid endorsements, and individuals may have financial interests in referenced products or services. Bulletproof Media owns the podcast.
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