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2026-06-10

The Price of Forever — Episode 1: Drink Deep (Young Blood Transfusions)

The Price of Forever
The Price of Forever@Nathan Caldwell
The Price of Forever — Episode 1: Drink Deep (Young Blood Transfusions)

There is a startup in California that, for eight thousand dollars, will pump the blood plasma of a teenager into your veins.

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The Price of Forever — Episode 1: Drink Deep

About this episode

A startup in California was charging $8,000 to infuse you with a teenager's blood plasma. They called it a clinical trial. No control group, no blinding, no randomization. The FDA shut them down in 2019. They reopened.
In this episode, Dr. Vale and Dr. Chen profile young-blood and plasma transfusions as an anti-aging intervention — one of the most literal, expensive, and medically murky practices at the extreme edge of longevity science.
Covered in this episode:
  • What young-blood transfusions actually are, and the 1950s parabiosis experiments that spawned the idea
  • What the peer-reviewed science actually shows (mostly rodents, mostly indirect markers, with at least one study suggesting saline works just as well)
  • Bryan Johnson's 2023 multigenerational plasma exchange — and his admission of "no benefits"
  • Pricing: from Ambrosia's $8,000–$12,000 to current offshore clinic rates
  • The 2019 FDA warning (updated December 2024), still active
  • Documented real risks: TRALI, allergic reactions, circulatory overload, and a JAMA Internal Medicine finding that blood from donors under 20 was associated with modestly higher recipient mortality
  • How these clinics stay in business: clinical trial grey zones, compounding pharmacies, and medical tourism
This is not medical advice. This is not an endorsement of any practice described. This program treats extreme anti-aging practices as cautionary spectacle, not recommendations.

Sources

  • FDA: Important information about young donor plasma infusions offered for profit (Feb 2019, updated Dec 2024)
  • Young blood transfusion — Wikipedia (comprehensive reference with primary citations)
  • Bryan Johnson admits "no benefits" after plasma exchange — Fortune, July 2023
  • Ambrosia: The startup harvesting the blood of the young — The Guardian, Aug 2017
  • Conboy et al. 2005, "Rejuvenation of aged progenitor cells by exposure to a young systemic environment" — Nature
  • Mehdipour et al. 2020, "Rejuvenation of three germ layers tissues by exchanging old blood plasma with saline-albumin" — Aging
  • FDA issues warning about young-blood transfusions — Scientific American, Feb 2019

The Price of Forever is a chronicle of what the ultra-wealthy and hardcore biohackers actually do to try to cheat death — and what the science actually says about it. Morbid spectacle. Hard medical reality check. Never credulous.
The Price of Forever
The Price of Forever@Nathan Caldwell

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