If you can walk a quarter-mile, odds are you have at least six years of life left in you, scientists announced today. Speed is also positively correlated with length of remaining life. While walking is no guarantee of health or longevity, a new study found that the ability of elderly people to do the quarter-mile was an "important determinant" in whether they'd be alive six years later and how much illness and disability they would endure.
"The ability to complete this walk was a powerful predictor of health outcomes," said study leader Anne Newman of the University of Pittsburgh School of Medicine. "In fact, we found that the people who could not complete the walk were at an extremely high risk of later disability and death."
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