How old will Bryan Johnson be when he dies of natural causes?

Prediction market on manifold. https://twitter.com/bryan_johnson Will resolve as N/A, if he dies in an apocalypse/accident Will resolve to age at death if dies of illness, accident related to life extension procedure, suicide. Will resolve to age at death even if cryopreserved

Liquidity: $4,775. Resolves: 1/1/2084.