
Written by a model from the transcript; not yet reviewed.
This episode features Dr. Mark Hyman discussing the healthcare crisis, self-directed health, and the founding of his company, Function Health. The discussion centers on moving away from a traditional reactive medical system toward proactive, data-driven, and longitudinal care. The guest and host examine the staggering statistics of metabolic dysfunction in America, the importance of tracking biomarkers like insulin, and the role of emerging technologies such as full-body MRIs, continuous glucose monitors, and AI decision support.
They also explore lifestyle factors including sleep, strength training, and dietary changes, alongside controversial topics like GLP-1 microdosing and the over-prescription of psychiatric medications. What makes this episode worth listening to is the candid, actionable advice on taking ownership of one's biology, supported by concrete examples, specific pricing comparisons, and insights into how modern tech and functional medicine can dramatically improve health span and longevity.
Dr. Hyman contrasts current siloed medical practice with the comprehensive, longitudinal data approach of his company.
The hosts introduce the episode, the sponsor, and greet Dr. Mark Hyman.
Dr. Hyman distinguishes functional health from functional medicine, emphasizing data ownership, AI, and patient agency.
Discussion of the $365 annual membership, affordability compared to concierge care, and the goal of making health data accessible to all.
The conversation details the 160‑biomarker lab panel, wearable integration, and AI‑driven dashboards that power the platform.
Closing remarks on the convergence of omics, wearables, AI, and the potential to transform preventive medicine.
Dr. Hyman explains the science, benefits, risks, and practical considerations of GLP‑1 therapies for obesity.
The speakers discuss how understanding one’s own biology and lifestyle choices can replace the need for prescription drugs.
One guest recounts gradual weight gain after marriage and children, highlighting the need for new exercise strategies.
They explore rucking, farmer’s walks, and weighted walking as effective, low‑impact strength training for aging bodies.
The importance of muscle mass for longevity, metabolic health, and preventing frailty is emphasized, with practical training suggestions.
The conversation turns to the over‑diagnosis of mental illness and the widespread use of SSRIs and stimulants.
Democratizing Health Through Datainsight
The guest explains how Function Health aims to democratize healthcare by giving individuals direct access to their biological data, enabling them to catch potential diseases early and take preventative off-ramps.
The Absurd Pricing of Healthcaredata
The host and guest discuss the bizarre lack of price transparency in traditional healthcare, noting that identical tests can cost ten times more depending on the institution.
The guest reveals that Function Health has already processed over 100 million biomarkers across hundreds of thousands of users, highlighting the immense consumer demand for proactive health insights.
The Overlooked Insulin Crisisinsight
The guest stresses that routine blood tests frequently ignore insulin levels despite normal blood sugar readings, missing early warnings for metabolic dysfunction.
GLP-1s and Muscle Lossinsight
The guest analyzes GLP-1 weight loss drugs, noting a significant percentage experience digestive issues and warning that users must maintain protein intake and strength training to avoid losing vital muscle mass.
Medicalizing Psychiatry and Dietinsight
The conversation shifts to mental health, where the guest argues that many psychiatric conditions stem from nutritional deficiencies and ultra-processed diets rather than inherent chemical imbalances alone.
“We’re seeing like 65% with high insulin levels, which never get checked.”
“GLP‑1s can help, but there, there’s no testing for this on a systematic basis.”
“The 365 account counts for twice your testing.”
“We’re seeing almost 70% of people, the nutritional deficiency at the level that the lab says is low, which is not what I would say is optimal.”
“our ultra-processed diet is driving a huge mental health crisis. And there's a lot of data on this. This is well established in the scientific literature.”
“If you exercise, if you have anxiety and you go socialize and exercise and meditate, and I do this with my kids. Say, if you're feeling blue or something's not right, have you your diet, your exercise, your sleep, your meditation and your socialization. Those are the big five.”
This Week In Startups is made possible by: Odoo - http://Odoo.com/twist Northwest Registered Agent - https://www.northwestregisteredagent.com/twistdomain Rippling - http://Rippling.ai/twist Today's show: Your doctor almost certainly isn't testing your insulin. Dr. Mark Hyman sits down with Jason to explain the broken system that Function is fixing, and what 100 million biomarkers say about how sick America actually is. Learn why insulin beats blood sugar as an early warning for TKTKTK. Why might "normal" lab ranges be unreliable? PLUS, how does an expert like Dr. Hyman feel about GLP-1s and psychedelics? Guests: Dr. Mark Hyman on X: https://x.com/drmarkhyman Function: https://www.functionhealth.com/ Relevant Links: The Dr. Hyman Show — https://podcasts.apple.com/us/podcast/the-dr-hyman-show/id1382804627 Function pricing — https://www.functionhealth.com/pricing Ezra — the full-body MRI company Function acquired https://ezra.com/ Galleri (GRAIL) — the multi-cancer early detection blood test — https://www.galleri.com/ Tufts / JACC study — the source of the "93% of Americans have metabolic dysfunction" — https://now.tufts.edu/2022/07/05/only-7-american-adults-have-good-cardiometabolic-health American College of Cardiology — https://www.acc.org/ Dr. Jorge Plutzky — https://www.health.harvard.edu/authors/jorge-plutzky-md OpenEvidence — https://www.openevidence.com/ Stanford Metabolic Psychiatry Clinic — https://med.stanford.edu/news/all-news/2022/11/metabolic-psychiatry.html Stanford Medicine on the ibogaine findings → https://med.stanford.edu/news/all-news/2024/01/ibogaine-ptsd.html Texas SB 2308 — the $50M state investment in ibogaine trials — https://www.texastribune.org/2026/03/31/texas-ibogaine-research-clinical-trials-psychedelics/ Timestamps: 0:00 What Function actually is 6:43 Healthspan vs. sick care 10:16 Odoo - The all-in-one business platform. Your first app is free! Get started today at https://Odoo.com/twist 11:32 A $300 vitamin D test vs. a $10 one 18:08 Should a 25-year-old get a whole-body MRI? 20:42 Northwest Registered Agent - Got a new business idea? Northwest Registered Agent helps you bring it to life. Get a free domain, email, phone number, and more - with no purchase required! Learn more at https://www.northwestregisteredagent.com/twistdomain 24:23 Why medicine is still running on paper 25:41 The study where the chatbot beat the doctors 27:02 micro1, doctors in the loop, and why AI still needs guardrails 28:50 Wearables, records, and the CD-ROM problem 30:07 Rippling - Thanks to our partners at Rippling! Head to https://Rippling.ai/twist and get the only AI built to give you full visibility across your startup and take complex actions across your entire business. 32:51 The wearable that caught Jason's Covid 34:31 Alcohol, sugar, and why almost nobody tests your insulin 40:00 GLP-1s: Jason's 213-to-168 story 42:22 Microdosing GLP-1s, muscle loss, and "skinny fat" 48:48 Overdiagnosing mental illness: SSRIs, Adderall, and a lost decade 50:17 The biology underneath depression and anxiety 54:32 Psychedelics: ketamine, ibogaine, and the second revolution in psychiatry Subscribe to the TWiST500 newsletter: https://ticker.thisweekinstartups.com Check out the TWIST500: https://www.twist500.com Subscribe to This Week in Startups on Apple: https://rb.gy/v19fcp Follow Lon: X: https://x.com/lons Follow Jason: X: https://twitter.com/Jason LinkedIn: https://www.linkedin.com/in/jasoncalacanis Thank you to our partners: Check out all our partner offers: https://partners.launch.co/ Great TWIST interviews: Will Guidara, Eoghan McCabe, Steve Huffman, Brian Chesky, Bob Moesta, Aaron Levie, Sophia Amoruso, Reid Hoffman, Frank Slootman, Billy McFarland Check out Jason's suite of newsletters: https://substack.com/@calacanis Follow TWiST: Twitter: https://twitter.com/TWiStartups YouTube: https://www.youtube.com/thisweekin Instagram: https://www.instagram.com/thisweekinstartups TikTok: https://www.tiktok.com/@thisweekinstartups Substack: https://twistartups.substack.com
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