With the advent of a retarded aging process, that which we know as life changes. While life is composed if those quantized properties there are a finite amount of them, therefore decelerating the aging process has major implications. In 1900 the average life expectancy of a baby born in the United States was 47 years. Conservative estimates place life expectancy of children born today in the united sates at 76, while less conservative estimates place the life expectancy at 100 years. Presently man is unable to cope with this extra time.
Many septuagenarians spend days sitting around doing next to nothing.
The essential question being proposed is one of quality versus quantity. Even if the scientists can cure humanity of the ailments of the elders, there still remains the question of how to manage one's time. These questions are stuck in the realm of rhetoric. There are no answers to these questions. It is altogether possible that there never will be.