Words similar to lifespans

Example sentences for: lifespans

How can you use “lifespans” in a sentence? Here are some example sentences to help you improve your vocabulary:

USAT 's longevity study lead reveals that the gap between the longest and shortest American lifespans--where life expectancy can vary by as much as 40 years from one county to another--is about as big as that found between the nations with the longest and shortest lifespans.
Worms and mice that are altered for extended lifespans become sterile, or barely reproduce.”