Bryan Johnson, the 48-year-old tech entrepreneur turned longevity evangelist, recently said on X that he has been "thinking things over and wonder[ing] if I’ve taken this whole longevity thing too far".

The longevity guru's $2 million-a-year quest to live forever just got even weirder

Bryan Johnson rethinks longevity project: Bryan Johnson, the tech entrepreneur who built his life around reversing ageing, posted on 30 July that he is questioning whether he has…