'Biohacker' Bryan Johnson has opened up about the latest procedure he's undergoing to try and reverse his biological age.
As if using his son's blood and electric-shocking his own penis wasn't enough already, Johnson, 46, has even more in store to try and reverse his medical age back to the age of 18 years old.
The procedure
In a video uploaded to his YouTube on June 25, Johnson revealed he 'injected' his 'joints with 300 million stem cells'.
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And not just any old stem cells, but '300 million young Swedish bone marrow mesenchymal stem cells' which he had put into not just one part of his body, but his joints, shoulders and hips too.
But why?
Why?
Well, Johnson's caption reads: "The aim: superhuman joints to match my total bone mineral density, which is in the top 99.8 percent for 30 year olds."
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In the video he explains to Dr Steve Sampson the whole point of his project is to 'rejuvenate' his 'entire body' back to the age of 18 and why he's come to him is because he has 'some discomfort' in his right shoulder as a result of growing up playing a lot of sports.
Johnson notes he's been experiencing 'weakness' in the area and scans revealed there's 'meaningful deterioration' in his joints.
While he doesn't feel any pain, in his quest to make his body like that of an 18-year-old's again, he's 'hoping to address both the discomfort in the shoulder and also rejuvenate what has been lost with the wear and tear of [his] joints'.
How?
Despite being warned by Dr Sampson he doesn't 'quite know how these cells are going to affect' Johnson and his quest to de-age his body, the self-professed 'biohacker' dives straight in.
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The Swedish bone marrow cells had travelled a whopping 5,000 miles to reach Johnson in the Bahamas, kept in tanks with liquid nitrogen.
They were then thawed and injected very precisely into Johnson via a needle within a 30 minute window before they expired, the biohacker given a little bit of local anaesthetic beforehand to help with any potential pain - with Johnson having to come back for a second day of injections to complete the rest of his body too, despite experiencing some discomfort.
But what do the stem cells actually do?
What?
Well, Dr Sampson explains: "These stem cells. have been called medicinal signalling cells. They're almost like mobile paramedics.
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"So if you think of our body as made of 37 trillion cells approximately, coursing through our body and when we have an injury - like if I were to get off this chair and bang my knee - that would trigger an injury response where these mobile cells - they're called Pericytes, they release and they travel to the area of injury.
"So, we're trying to mimic that response and what we found is in the published literature these MSC's have the ability to significantly tamper or lower inflammation."
Johnson has yet to update fans as to how he's doing since the procedure and whether or not it's worked or not, so I guess we'll just have to stay tuned.
Topics: Bryan Johnson, Celebrity, Health, Science, Technology
Poppy Bilderbeck