Jan 2, 2019 · 17m · a16z

a16z Podcast | How to Live Longer and Better

Mike Snyder · 4m spoken David Sinclair · 4m spoken Kristen Fortney · 2m spoken

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gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions

Hosted by Hannah on the a16z podcast, a panel of longevity and genetics experts—including Mike Snyder, David Sinclair, Kristen Fortney, and the CEO of QBio—explore how biological digitization, biomarker tracking, and novel therapeutics are revolutionizing healthcare. The discussion emphasizes transitioning from reactive medicine to proactive healthspan extension, highlighting actionable strategies to optimize longevity and compress morbidity.

Chapters · click to jump

3 statements ▾

Snyder: Cancer will affect over 40% of Americans and rate will rise open →

Fortney: A real biomarker must predict future health outcomes open →

Fortney: All BioAge discoveries stem from decades-old biobank samples open →

1 statement ▾

Sinclair: Longevity tools will extend human lifespan by 5 to 15 years open →

3 statements ▾

Mike Snyder: Current medical practice is Byzantine and crude open →

Snyder: Genome sequencing will be standard healthcare within 10 years open →

Snyder: Wearable monitoring study caught heart issues and early cancer in 100-person cohort open →

2 statements ▾

Sinclair: Companies he advises are running anti-aging human trials open →

Sinclair: Epigenetic reprogramming could enable five-year biological age resets open →

1 statement ▾

Mike Snyder: Smartwatch and pulse oximeter baseline data detected my Lyme disease early open →

2 statements ▾

Fortney: Three-quarters of healthcare costs fund chronic elderly care open →

Sinclair: A 10% cancer reduction saves the U.S. $3-4 trillion open →

1 statement ▾

Sinclair: Metformin and NAD boosters reduced calculated biological age from 57 to 31 open →

How this conversation actually went

Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. How this is scored →

The host as informed peer 1.4 Guest teaching 4.4 Guest disagreement 0.4 The host pushing back 0.2

speaking balance: gold is the host, purple is the guest (3 minute bins)

Sharpest disagreement ▶ 8:54 Rejection of Medical Dogma

The QBio CEO forcefully criticizes the established medical dogma against testing asymptomatic individuals, arguing that waiting for symptoms makes treatment too late.

Hardest push from the host ▶ 9:14 Systemic Incentive Challenge

The host interrupts the optimistic discussion on preventative testing to challenge the guests on who actually pays for preventative medicine and how current healthcare incentives align.

Biggest teaching moment ▶ 9:49 Google Search Analogy for Biology

The QBio CEO reframes conventional medical trial design as primitive, explaining why evaluating single variables is inadequate compared to multi-variable computational models.

The host holds their own ▶ 9:14 Reframing to Healthcare Economics

The host demonstrates sharp domain awareness by pivoting the panel from technical biomarker capabilities to structural economic and payment model bottlenecks in systemic healthcare.

the scores for every segment, with the reasoning behind each

Topic	The host as informed peer	Guest teaching	Guest disagreement	The host pushing back	Why
Technological Measurement & Biomarker Signatures	1	4	0	0	The host opens with high-level introductory questions about why now is the moment for longevity tech and how biomarkers work. The guests take over to explain foundational concepts including health span versus lifespan, biobanks, and genomic measurements.
Frontiers in Longevity Tools & Biological Digitization	1	4	1	0	The host asks broad moderating questions about precision medicine and future physical exams. The guests detail multi-scale biological digitization and criticize current medical practices as crude, though remaining entirely collaborative with the host.
Senolytics, Epigenetic Resets, and Asymptomatic Testing	2	5	1	1	The host pushes slightly on system incentives and who pays for preventative care. Guests educate the host on senolytics, epigenetic resets, and criticize medical dogma surrounding asymptomatic testing and single-variable trial design.
Data Ownership, Societal Impact, and Morbidity Compression	2	4	0	0	The host prompts discussion on data ownership and societal impacts of extended health spans. The guests explain economic calculations around morbidity compression and multi-trillion dollar savings from disease prevention.
Actionable Longevity Strategies & Personal Case Studies	1	5	0	0	The host asks for practical advice for non-mice humans. The guests detail lifestyle interventions, molecular pathways, and personal bio-tracking experiments including reversing biological age.

Statements from this episode (13)

Prediction Open · timeframe Mar 2023

Snyder: Cancer will affect over 40% of Americans and rate will rise

“40% of Americans will get cancer, and that number is only going to go up.”

Mike Snyder Jan 2, 2019 ▶ 1:35

Insight

Fortney: A real biomarker must predict future health outcomes

“A real biomarker has to predict the future.”

Kristen Fortney Jan 2, 2019 ▶ 2:25

Disclosure

Fortney: All BioAge discoveries stem from decades-old biobank samples

“So we can take these samples that are 20 years old, and we can query them with all the modern technologies that measure hundreds of thousands of variables, and then integrate that with our electronic health records to try to predict their future health course,…”

Kristen Fortney Jan 2, 2019 ▶ 3:28

Prediction Not checkable as stated

Sinclair: Longevity tools will extend human lifespan by 5 to 15 years

“And those three combined, I think, are going to dramatically increase human health span and lifespan by somewhere between five and 15 years in our lifetimes.”

David Sinclair Jan 2, 2019 ▶ 4:17

Opinion

Mike Snyder: Current medical practice is Byzantine and crude

“I think the way we do medicine now is totally Byzantine. It's just really ridiculous how crude we are at what we do.”

Mike Snyder Jan 2, 2019 ▶ 6:29

Prediction Open · timeframe Mar 2028

Snyder: Genome sequencing will be standard healthcare within 10 years

“You know, I think 10 years from now, everybody's gonna raise their hands, right? That's gonna just part of healthcare”

Mike Snyder Jan 2, 2019 ▶ 6:40

Assertion Supported

Snyder: Wearable monitoring study caught heart issues and early cancer in 100-person cohort

“And as a study we've been running on a hundred people, we've actually Caught at least two cases of heart issues early because we were following them closely. In one case, right from simple wearable device. We also caught a pre-cancer and a case of early lympho…”

Mike Snyder Jan 2, 2019 ▶ 6:48

Disclosure

Sinclair: Companies he advises are running anti-aging human trials

“A couple of companies that I work with have been doing trials for a number of years now, and they seem to be working as advertised, but it's pretty hard to actually show that they're reversing aging. So we're going off to particular diseases.”

David Sinclair Jan 2, 2019 ▶ 7:36

Prediction Not checkable as stated

Sinclair: Epigenetic reprogramming could enable five-year biological age resets

“There is actually evidence in a mouse that you can reverse some of those so-called epigenetic analog changes with aging, and that's truly the next frontier in my view, because that really could lead to true Aging reset, and you just go to the doctor every five…”

David Sinclair Jan 2, 2019 ▶ 8:38

Assertion Not checkable as stated

Mike Snyder: Smartwatch and pulse oximeter baseline data detected my Lyme disease early

“I'll tell you a personal example, which is that I actually caught my Lyme disease early, and one reason I could do that is because I knew what my baseline measurements were. I had all the data. I knew from my smartwatch, from a simple pulse ox, because my bloo…”

Mike Snyder Jan 2, 2019 ▶ 10:23

Assertion Contradicted

Fortney: Three-quarters of healthcare costs fund chronic elderly care

“Well, frankly, right now, three quarters of annual health care costs go towards chronic diseases in the elderly, and that's adding, those are years of sick life.”

Kristen Fortney Jan 2, 2019 ▶ 11:40

Assertion Supported

Sinclair: A 10% cancer reduction saves the U.S. $3-4 trillion

“The economists have calculated that just reducing one major disease, let's say cancer, by just 10%, The U.S. Would save about three, four trillion dollars in the long run.”

David Sinclair Jan 2, 2019 ▶ 12:25

Disclosure

Sinclair: Metformin and NAD boosters reduced calculated biological age from 57 to 31

“I took metformin, Kristen mentioned, which is a diabetes drug. I took another molecule that we've worked on called, it raises NAD, we call them NAD boosters, and I saw that my bio-age, according to this algorithm, went down to 31.4 from 57 point something, and…”

David Sinclair Jan 2, 2019 ▶ 16:38

a16z Podcast | How to Live Longer and Better

How this conversation actually went

Statements from this episode (13)

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