http://news.yahoo.com/s/hsn/20071119...sdadsliveto100

By E.J. Mundell
HealthDay ReporterMon Nov 19, 8:59 AM ET

MONDAY, Nov. 19 (HealthDay News) -- A young, trim farmer with four or more children: According to a new study, that's the ideal profile for American men hoping to reach 100 years of age.
The research, based largely on data from World War I draft cards, suggests that keeping off excess weight in youth, farming and fathering a large number of offspring all help men live past a century.
One finding in particular was unexpected, the researchers said.
"We were surprised that having more than three children is beneficial to longevity -- based on previous studies by other authors, and common sense, quite the opposite could be expected," said study co-author Leonid Gavrilov, who conducted the study with his wife, Natalia Gavrilova, both of the University of Chicago's Center on Aging.
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