The relatively short human lifespan is thus put in a clearer biological perspective.
This enables the extension of a human lifespan to several centuries.
How much could he accomplish in only a meager human lifespan?
Within one more human lifespan, we will have changed ourselves unrecognizably.
Based on human lifespan, contemporary history would extend for a period of approximately 80 years.
This little girl, this supposed child, had lived a natural human lifespan and then some.
If you choose the right era, a human lifespan can be very long indeed.
Its title is a reference to the length of an average human lifespan (4000 weeks).
We must return to the fundamental question: is the extension of the human lifespan actually desirable?
Without me you will live a normal human lifespan.