science

The downstream problems are complex and hard to understand (like being old and fragile, or having diverse shortcomings), the base problems not so much actually. Not the simplest things to fix but nothing outlandish either.

And the first mediocre treatments might give us some extra healthy years, and during that time, potentially other and better treatments will be created, adding more years to our lives, and so on. For the curious, the theory is called LEV, Longevity Escape Velocity, and it's possible that many of us might catch it.