Viva Longevity! cover art
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Viva Longevity!

A former tech exec and earth scientist interviews leading researchers to find science-backed paths to a long and healthy life, free of commercial hype.

The brief

A science-first podcast focused on longevity and nutrition. Host Chris MacAskill uses his background as a scientist and tech entrepreneur to rigorously question experts, from world-renowned cardiologists to under-the-radar biochemists. The show is explicitly non-commercial, allowing it to tackle topics like GLP-1 drugs, dietary guidelines, and food fads with an unbiased, evidence-based lens. Episodes alternate between deep-dive interviews and narrative-style documentaries that investigate a specific health topic.

The host's unique resume—from geophysics to working with Steve Jobs to building major tech companies—gives him a credible, analytical framework for questioning experts that other health podcasts lack. Its strict non-commercial stance is a key differentiator, ensuring the focus remains on scientific accuracy over product promotion.
— What makes it distinctive
§1 · The host

Who hosts this show

Viva Longevity is hosted by Chris MacAskill, a Stanford-educated geophysicist who began his career in earth sciences before pivoting to tech. He worked for Steve Jobs at NeXT, which was later acquired by Apple, and co-founded several companies, including the online bookseller Fatbrain and the photo-sharing site SmugMug. Now retired, Viva Longevity is his non-commercial passion project, aimed at making longevity research accessible and accurate by interviewing top scientists who are often too busy with research to be social media stars.

AI-extracted bio · help us verify· Source: gemini-video-grounded

Credentials & credits

  • Co-founder of SmugMug & Fatbrain.com
  • Former tech executive at NeXT
  • M.S. in Geophysics, Stanford University
  • Earth Scientist

Other ventures

  • SmugMug (Co-founder)
  • Fatbrain.com (Co-founder)
  • Cake.co (Co-founder)
  • Plant Chompers (YouTube channel)
§2 · Classification

What kind of podcast

§3 · Cadence & catalog

When new episodes drop

Publishing rate
~2/month
Not shown by Apple / Spotify
Total episodes
129
Last episode
3 months ago
Jun 13, 2026
Status
Active
§3b · Editor's picks

Notable episodes

AI-extracted picks + commentary · help us verify
  1. 01
    The Ozempic Truth No One Wants To Say

    A deep, nuanced investigation into the cultural and biological drivers of obesity, framed around the rise of GLP-1 drugs, showcasing the show's documentary style.

  2. 02
    A Cardiologist's China Discovery: How Centenarians Cured Him

    A classic example of the show's interview format, featuring a compelling personal story from a credible expert that bridges ancient wisdom with modern health problems.

  3. 03
    Most cited scientist in the WORLD gives diet advice | Dr. Walter Willett

    Demonstrates the show's ability to secure interviews with the most authoritative and respected figures in nutrition science, cutting through the noise of social media influencers.

§4 · Signature

What you'll be asked on this show

AI-extracted from recent episodes · help us verify
How the host interviews

As an interviewer, Chris MacAskill is direct, deeply prepared, and operates from a position of informed skepticism. He often opens by establishing a guest's core thesis or personal story before methodically probing the science behind their claims. He is not afraid to ask pointed questions about controversies, safety concerns, or potential data misinterpretations, effectively acting as a proxy for a critical-thinking audience. He frequently brings in external research or historical facts to contextualize the guest's work and pushes for practical applications of the science for a modern lifestyle.

The show alternates between two formats: single-guest, long-form interviews and documentary-style narratives where the host investigates a topic using expert clips and his own research. Co-host Michelle Cen also appears on some episodes. The production is polished, often using B-roll and historical context to frame the conversation before an interview begins.

Questions the host keeps coming back to

11 catalogued

If you're going on this show as a guest, expect some version of each of these. Each note explains when the host reaches for it.

controversy

2
  1. Q.01

    How do you respond to the safety concerns or controversies surrounding your work?

    He asks this to directly address potential audience skepticism and give the expert a chance to counter common criticisms.

  2. Q.02

    Do you tell patients they are likely on this drug for life?

    Probes into the long-term consequences and potential downsides of a medical intervention.

advice

2
  1. Q.01

    How can we apply these lessons to our modern, Western lifestyle?

    This question serves to bridge the gap between abstract research and actionable advice for the listener.

  2. Q.02

    If you had to distill your wisdom into a single sentence, what would it be?

    A closing-style question that forces the guest to provide a concise, memorable takeaway for the audience.

process

2
  1. Q.01

    What do you tell your own patients about this topic?

    Used when interviewing clinicians to get insight into the practical, real-world application of their knowledge.

  2. Q.02

    What were the specific health outcomes you observed in your research?

    Moves the conversation from theory to concrete data, asking for metrics like disease incidence or biomarkers.

personal

3
  1. Q.01

    How did you personally transform your own health?

    Often asked to ground a guest's expertise in a compelling personal narrative of success and self-experimentation.

  2. Q.02

    What percentage of your own diet is composed of [the food you advocate for]?

    This tests the guest's personal conviction and the degree to which they practice what they preach.

  3. Q.03

    What kind of exercise do you get?

    Explores the guest's lifestyle beyond their specific area of expertise to build a more holistic picture of their health philosophy.

craft

1
  1. Q.01

    Can you tell us about the specific scientific paper or study that supports this?

    He uses this to push past general claims and anchor the conversation in specific, verifiable evidence.

industry

1
  1. Q.01

    How does your finding compare to other well-known concepts like the 'Blue Zones'?

    This helps contextualize the guest's work within the broader landscape of longevity research.

Topics covered repeatedly

LongevityNutrition ScienceEpidemiologyChronic Disease PreventionObesity and GLP-1 DrugsDietary GuidelinesCardiovascular HealthDebunking Wellness FadsCentenarian StudiesFood Industry
§5 · Guests

Who gets booked here

AI-extracted guest list + profile · help us verify
Typical guest

The show books top-tier scientists, doctors, and researchers who are leaders in their respective fields but not necessarily public figures. Guests often include highly-cited academics (like Dr. Walter Willett), cardiologists, and biochemists who can speak to the cellular mechanisms behind health and longevity.

Recent guests
  • Dr. John Day
    on A Cardiologist's China Discovery: How Centenarians Cured Him
  • Doug Evans
    on We Investigated Sprouts: The $1 Food With 100x The Nutrients (re-edited)
  • Dr. Walter Willett
    on Most cited scientist in the WORLD gives diet advice | Dr. Walter Willett
§6 · Channels & links

Where to find this show

§7 · Stats

Audience & reach

YouTube · first-party
Subscribers
195K
195,000
Avg views / video
116K
Trailing window
Total views
16.4M
16,444,504
Videos published
129
Sponsor readEstimated

The channel is explicitly non-commercial. The description states, "no product promotions, no Patreon page, we turn off all optional ads." This is a core part of its identity.

AI-extracted sponsor read · help us verify

Subscriber and view counts are pulled live from YouTube and re-verified on a 30-day cycle. Listener estimates for the RSS feed aren't published here unless they're host-verified.

§8 · Contact

Pitch this show

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Verified contact
Host / booking email

No public contact email on file yet — try the social channels below, or claim this page if you’re the host.

Public channels

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§9b · FAQ

People also ask

AI-extracted researched answers · help us verify
Who is the host of Viva Longevity?
The main host and founder is Chris MacAskill, a former earth scientist and tech entrepreneur who co-founded SmugMug. Michelle Cen also appears as a co-host on some episodes.
Is Viva Longevity still active?
Yes, the podcast releases new episodes roughly on a monthly basis.
What is the format of the show?
It varies. Some episodes are long-form interviews with a single expert, while others are documentary-style investigations into a specific health topic.
Does the podcast have sponsors or sell products?
No, the show is explicitly non-commercial. The founder has stated it is a passion project and they do not accept sponsorships, run ads, or promote products.
Where can I listen to Viva Longevity?
The episodes are published as videos on the Viva Longevity! YouTube channel.
Last updatedJun 29, 2026Not yet host-verified
Research depthDeep dossierHigh confidence · Jun 29, 2026 · gemini-2.5-pro

Built from the show's public RSS feed, YouTube, the host's own websites, and the cited sources below. Computed and AI-extracted fields are labelled. Facts only — no private info, no fabrication, no transcripts republished.

§9c · Methodology

Sources & how this page was built

This page is AI-assisted, grounded in the public sources cited below, and host-verifiable. We publish facts only; we do not republish transcripts. If anything here is wrong, the host can claim and correct the page above.Model: gemini-2.5-pro · high confidence

  1. [01]Viva Longevity! YouTube Channelyoutube.com
  2. [02]The Inspiring Story Of The Man Behind SmugMug And FatBrain - with Chris MacAskillmixergy.com
  3. [03]Untold Stories of Silicon Valley with Chris MacAskilljhtc.org
  4. [04]Steve Jobs, Climate Change, and Beef: Insights from Chris MacAskill | The Proof Podcastyoutube.com
  5. [05]From Steve Jobs Arguments to Nutrition MYTHS: Interview w/ Viva Longevity!youtube.com
  6. [06]SmugMug - Wikipediaen.wikipedia.org
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