At the 2026 World Economic Forum in Davos, Elon Musk shared his perspective on one of humanity’s oldest challenges: aging. According to the tech entrepreneur, extending human lifespan isn’t just theoretical science fiction, but a solvable problem waiting for the right approach.
During his conversation with BlackRock CEO Larry Fink, Musk admitted he hasn’t devoted significant time to aging research personally.
However, he offered a compelling observation about why he believes the solution will be straightforward once discovered. “I haven’t put much time into uh the aging stuff. I do think it is a very solvable problem. I think when we figure out what causes aging, I think we’ll find it’s incredibly obvious. It’s not a subtle thing,” Musk explained.
His reasoning centers on a simple but profound observation: all cells in the human body age at roughly the same rate. “I’ve never seen someone with an old left arm and a young right arm ever in my life,” he noted.
This synchronization across 35 trillion cells suggests there must be some kind of biological clock coordinating the aging process throughout the body. Once scientists identify this mechanism, Musk believes reversing or slowing aging becomes “highly likely.”
Yet Musk acknowledged that extended lifespans aren’t without potential drawbacks. “There is some benefit to death by the way,” he remarked, suggesting that mortality prevents society from becoming stagnant. Without generational turnover, he warned of “an ossification of society” where things become “locked in place” and lack vibrancy.
Despite these concerns, Musk remains optimistic about humanity’s future relationship with aging. When Fink asked whether they could reverse aging in their lifetimes, Musk responded positively, saying he thinks extending life and possibly reversing aging is “highly likely.”