Centenarians might be healthierthan other people in old age, but they're still old....

[narrator] Centenarians might be healthier
than other people in old age, but they're still old. They're probably not going to work a job,
and they'll need some care, and that has a cost. And these costs are hard to cut back. Caring for the elderly in many societies
is seen as a moral imperative. If you look at countries that have
very long life expectancies like Japan, what ends up as you have
a lot of old people who are very isolated and lonely