*Testosterone Directly Suppresses Brain Tumor Growth in Males by 38%
Cleveland Clinic research funded by NIH shows testosterone binds androgen receptors in glioblastoma stem cells — the root of tumor recurrence — and cuts growth by 38% when levels are restored. Dave breaks down why the mainstream framing of testosterone and cancer risk has it backwards, what androgen deprivation therapy may be doing to every other cancer pathway simultaneously, and why your hormone panel is now a cancer conversation, not just a performance one.
Sources:
-https://www.nih.gov/news-events/news-releases/nih-funded-study-suggests-testosterone-suppresses-brain-tumor-growth-males
-https://bioengineer.org/nih-funded-research-indicates-testosterone-may-inhibit-brain-tumor-growth-in-males/
*CDC Halts Rabies Testing Nationwide
A CDC staffing crisis has pushed rabies, mpox, and Epstein-Barr testing to overwhelmed state labs, creating one-to-two week diagnostic delays in a disease where post-exposure prophylaxis must begin within ten days of a bite — and where fatality is virtually 100% once symptoms appear. Dave explains exactly what to do if you or a pet is exposed, why outdoor biohackers are the most exposed population, and what pre-travel prevention looks like for anyone heading to endemic regions.
Sources:
-https://www.nbcnews.com/health/health-news/cdc-pauses-testing-rabies-monkeypox-epstein-barr-viruses-rcna266377
-https://www.cidrap.umn.edu/rabies/state-public-health-labs-step-cdc-pauses-testing-various-pathogens-including-rabies-mpox
*Mifepristone Mail Ban
The Supreme Court issued a one-week stay blocking a 5th Circuit ruling that would have ended telehealth and mail access to mifepristone, used in over 63% of U.S. abortions. Dave sets aside the moral debate to focus on what this legal precedent means for FDA-approved compounded peptides, bioidentical hormones, and telehealth access to any treatment without full pharmaceutical backing — and why this case is one every biohacker should be tracking closely.
Sources:
-https://www.usnews.com/news/health-news/articles/2026-05-05/supreme-court-issues-stay-keeping-abortion-pill-mifepristone-available-by-mail-for-now
-https://www.npr.org/2026/05/04/nx-s1-5810510/supreme-court-mifepristone-appeals-telehealth
*Cow Flu and Dog Coronavirus
University of Florida scientists are watching Influenza D — endemic in U.S. cattle herds — and canine coronavirus HuPn-2018, which already jumped to humans in China, as the two zoonotic threats most likely to achieve widespread human transmission. Dave covers why the conditions producing these jumps aren't going away, what the Influenza D finding means for the raw milk conversation right now, and the mucosal immunity stack that puts you in the strongest position regardless of which virus makes the leap next.
Sources:
-https://ufhealth.org/news/2026/scientists-say-these-two-viruses-may-become-the-next-public-health-threats
-https://www.gavi.org/vaccineswork/six-major-health-threats-could-shape-2026-heres-what-experts-are-watching
*Hantavirus Kills 3 on Cruise Ship
Eight confirmed or suspected cases of Andes hantavirus aboard the MV Hondius off the Canary Islands have killed three and left two critical, with passengers from 23 countries already dispersed through global airports. Dave cuts through the pandemic panic to explain why American and South American hantavirus strains are categorically more lethal than European ones, why Andes is the only strain on earth that spreads human to human via respiratory droplets, and what early symptom recognition could mean for your survival window if exposure reaches your community.
Sources:
-https://www.cnn.com/2026/05/07/world/hantavirus-ship-tenerife-outbreak-intl
-https://www.nbcnews.com/health/health-news/hantavirus-andes-virus-what-is-cruise-ship-outbreak-deadly-strain-rcna343901
This episode is designed for biohackers, longevity seekers, and high-performance listeners who want mechanism-level clarity on hormonal optimization, infectious disease risk, immune resilience, and the legal infrastructure shaping medical autonomy. Host Dave Asprey connects emerging NIH research, Supreme Court developments, and live outbreak data into actionable frameworks for protecting your biology when institutions can't do it for you.
New episodes every Tuesday, Thursday, Friday, and Sunday.
Keywords: testosterone brain cancer, testosterone glioblastoma, low testosterone tumor risk, androgen deprivation therapy cancer, CDC rabies testing paused, rabies post-exposure prophylaxis, rabies exposure protocol, mifepristone telehealth ban, SCOTUS mifepristone stay, telehealth medical autonomy, compounded hormones legal risk, influenza D cattle virus, canine coronavirus HuPn-2018, zoonotic virus 2026, raw milk bird flu risk, mucosal immunity biohacking, hantavirus cruise ship, Andes hantavirus outbreak, MV Hondius hantavirus, hantavirus human to human transmission, hantavirus vs coronavirus, biohacking news 2026, Dave Asprey weekly roundup, longevity research 2026
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Timestamps:
00:00 – Intro
00:35 – 1. Testosterone & Brain Cancer
02:30 – 2. CDC Pauses Rabies Testing
04:09 – 3. Mifepristone & Telehealth Access
05:42 – 4. Influenza D & Canine Coronavirus
07:15 – 5. Hantavirus Cruise Ship Outbreak
09:36 – Takeaways
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The Human Upgrade: Biohacking for Longevity & Performance