Silicon Valley billionaires are obsessed with 'reprogramming' their bodies for longevity. The first human trial suggests they may be onto something.

Source: Business Insider

Jeff BezosMustafa Yalcin/Anadolu via Getty ImagesTech billionaires are obsessed with "reprogramming" their bodies for longevity. Jeff Bezos, Peter Thiel, Yuri Milner, and Sam Altman have all invested in the rejuvenation strategy. The very first human attempt at cellular reprogramming is underway, and it looks like it's working.