It is not just the tech we have, but how we use it.
The average is pushed down by too many people not being able to afford everything that could extend their life.
There is also the issue of diminishing returns.
If you don’t die of one thing you will die of another.
The more diseases we cure and treatments we create, the more people end up dying a few years later of cancer.
Life expectancy is still going up around the world, but most of that is poor people getting access to the care rich people can have.
The advances for those who are already rich enough to get the best care are more incremental.
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