Passed my Biological prime

While watching a talk given by Ray Kurzweil (Innovation Everywhere—How the Acceleration of “GNR” (genetics, nanotechnology, robotics) Will Create a Flat and Equitable World), I was struck by the table on the average life expectancy of an average human over different periods in the past. Life was truly short and brutish back then! (Only 18 for Cro Magnons! I'm truly way passed my biological prime). Interesting how life expectancy has almost doubled in the last 100 years though.

Average Life Expectancy (Years):
Cro Magnon = 18
Ancient Egypt = 25
1400 Europe = 30
1800 EUrope & U.S. = 37
1900 U.S. = 48
2002 U.S. = 78