A study last November reveals that being thin, farming, and having several children are the keys for a male to live past the age of 100:

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.

“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.

[A] man’s chances for extreme longevity almost tripled if he had fathered four or more children by age 30, the study found.

And if your mom birth you before she was 25, then you’re also set for longevity:

Just last year, they reported one new finding: Babies born to women under 25 years of age were twice as likely to live to 100 years of age compared to infants born to moms aged 25 or older.

Read the whole article (four pages) from Bio-Medicine.