The biohacker is back at it again, this time explaining the reason behind his unique lifestyle.
Known for his extreme anti-ageing routine, Bryan Johnson's daily life consists of strict sleep and exercise regimes, UV light therapy, regular blood tests, swallowing over 100 supplements as well as frequent health checks. This all racks up to $2 million a year.
His self-experiment in prolonged youthfulness started after he sold his founded payment company Braintree to PayPal for $800 million (£642 million).
In an interview with Piers Morgan, the Utah-born entrepreneur explained: "My day consists of 100 activities we've designed throughout the past two years. Every activity I do is based on scientific evidence.
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The first thing he does in the morning is more than stretch and make a coffee. He measures his "waking air temperature" before weighing himself, looking at "fat, muscle, bodyweight, and hydration."
Then, according to the health fanatic: "I drink a concoction called the green giant, take 57 pills, work out for an hour, then have red-light therapy on my hair.
"I eat my breakfast which is a few pounds of vegetables, then I'm ready for my day."
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Despite being 46, the test results report that Johnson has the heart of a 37-year-old and the lungs of an 18-year-old. His skin? Well, that was left up to his viewers to decide whether he looked healthier or younger.
But why go through all the effort and expense?
As put by the biohacker himself in an interview with Good Morning Britain: "The goal is don't die." It couldn't get simpler!
"We are currently in the midst of the biggest transition of our species, where we're going from death being inevitable to having some unknown horizon of how long and how well we can live," Johnson continued.
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"And I'm the first example of that in the world."
The US tech millionaire has also decided to share his journey with others so that they can see the results.
It's called Project Blueprint and it's available to anyone with $999 to spare.
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All in all, Johnson loves his biohacking life and has stated that he's "never felt greater stability" since starting it.
“I derive tremendous pleasure from the entire process of what we're trying to do. Pioneering the cutting edge of science and showing the future of human possibility," added Johnson.
"It's funny, because most people hear about this, and the instantaneous reaction is to assume that I must be miserable.
"It's very hard to understand that I might derive more pleasure from doing this than I would anything else.”