But you're right, even if we solve biological aging our brains will likely give out and will take even more generations on top of that to ever come close to solving it.
Here [1] is a source from a recent study overviewing shifts in life expectancy, if the word of some guy named somenameforme on the internet is, for some reason, insufficient by itself.
[1] - https://www.sciencedaily.com/releases/2025/10/251026021749.h...