I'm not against scientific research per se or living a bit more but... is immortality (or living for, say, 200 years or more) really something we should strive for?
Many aspects of human society assume, one way or another, that our life expectancy is fairly limited. From politics (even absolute monarchs or dictators eventually die), to economics (think about retirement, for example), demographics (if everyone is immortal and everyone keeps having children, what happens?), even psychology ("everything passes").
Are we willing to throw these implications away? What would be the purpose?
> Many aspects of human society assume, one way or another, that our life expectancy is fairly limited
Assumptions can change. Each of our technological shifts was more upending than longer healthspans would be—most of the West is already a gerontocracy.
> What would be the purpose?
To not die horribly.