He has made a name for himself by injecting his son’s blood into his own bloodstream, as well as botox into his… errr… private areas.

Now Bryan Johnson is, as far as the media is concerned, the spearhead of the “anti-ageing” movement, a pocket of zeitgeist mostly populated by American tech billionaires.

Scientific director of Sydney University’s Charles Perkins Centre Luigi Fontana told Gary Adshead that, as strange as it may seem, Johnson’s headline-grabbing antics are becoming more and more popular, including in Australia.

Press PLAY to hear more on the longer-life movement