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It is our belief that the world is becoming healthier.  From the origins of man at 500,000 until 1949 life expectancy increased about 20 year, or about 1 year increase in life expectancy for every 25,000 years.
 
In the 60 years since 1949, life expectancy has increased 65 years world wide, or 1 year life gain for every . 4 years. Since 1949 there has never been a eyar where life expectancy has not increased. 
 
The rate of improvement of life expectancy after 1949 is 63,000 times great than before 1949. We are health, and we are getting healthier