He's spending nearly €2m a year to look younger.
Bryan Johnson's quest to unravel the secrets of aging has garnered widespread attention.
Through his company, Kernel, he's investing heavily in a groundbreaking project that aims to understand and potentially halt or reverse the aging process.
The technology executive is spending nearly €2m a year to look younger and has enlisted the help of his teenage son and his 70-year-old father.
The 45-year-old has a team of around 30 health specialists working on his team.
Will Faulkner is joined by Dr. Deirdre Forde, from Athlone, on Midlands Today to look at the science behind his plans:
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