Americans living longer than ever

Break out the balloons and confetti! The nation's population reached a new milestone on Oct. 17 — 300 million — according to the U.S. Census Bureau.

If the idea of living in an increasingly crowded country doesn't put you in a celebratory mood, consider this: The dramatic rise in population over the last century has been accompanied by an even more phenomenal rise in life expectancy.

Read the complete news story at: WebMD.