A tech billionaire who has been called “eccentric” is swearing by the transfusion of his 17-year-old son’s blood to reverse the ageing process.

US entrepreneur Bryan Johnson has spent millions on holding onto his youth, including introducing a litre of his son’s blood into his own system – but does it actually work?

Press PLAY to hear more about the extreme anti-ageing experiment

Charles Sturt University Human Movement Studies lecturer Doctor Rachael Jefferson-Buchanan told Millsy and Karl on 6PR Breakfast Mr Johnson does have the financial capacity to throw a few ideas at the wall.

“It’s one of the scientific areas that people have been exploring for a while now; he’s taken that to an extreme,” Dr Jefferson-Buchanan said.

Image: Instagram/Bryan Johnson