Sunday, May 26th, 2019

For $8,000 This Startup Will Fill Your Veins With the Blood of Young People

Published on January 15, 2017 by   ·   No Comments

Just off a winding highway along the Pacific coast in Monterey, California, is a private clinic where people can pay $8,000 to have their veins pumped with blood plasma from teenagers and young adults.

Jesse Karmazin is the entrepreneur who made the practice possible, by launching a clinical trial on the potential of “young blood” through his startup Ambrosia. He says that within a month, most participants “see improvements” from the one-time infusion of a two-liter bagful of plasma, which is blood with the blood cells removed.

Several scientists and clinicians say Karmazin’s trial is so poorly designed it cannot hope to provide evidence about the effects of the transfusions. And some say the pay-to-participate study, with the potential to collect up to $4.8 million from as many as 600 participants, amounts to a scam.

What’s certain is that it’s based on some intriguing if inconclusive science. Karmazin, a 32-year-old Princeton graduate and competitive rower, says he was inspired by studies on mice that researchers had sewn together, with their veins conjoined, in a procedure called parabiosis.

Over the last decade or so, such studies have offered provocative clues that certain hallmarks of aging can be reversed or accelerated when old mice get blood from young ones. Yet these studies have come to conflicting conclusions. An influential 2013 paper in Cell showed that a particular component in young blood, GDF11, increased muscle strength, for example, but other researchers could not replicate the finding.

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