hour you run extends your life span by seven hours, a new study has
Scientists say that running just one hour a week is the most effective
exercise to increase life expectancy.
This holds true no matter how many miles or how fast you run, the
For those that take this advice to heart and run regularly, they say you
can extend your life span by up to three years.
The study, conducted at Iowa State University, reanalyzed data from The
Cooper Institute, in Texas, and also examined results from a number of
other recent studies that looked at the link between exercise and
They followed participants over a period of 15 years, and found that of
the more than 3,000 who died, only one-third of deaths were from heart
Co-author Dr Duck-chul Lee, a professor of kinesiology at Iowa State
University, told The New York Times that after this study was released,
the team was hounded with questions wondering if other activities, such
as walking, were as beneficial.
High-mileage runners also questioned if they were overperforming and if,
at some point, running would actually contribute to premature mortality.
After analyzing the data in the new study, scientists determined that
hour for hour, running statistically returns more time to people’s lives
than it consumes.
In The Cooper Institute study, participants reported an average of two
hours running per week.
The amount ran over the course of 40 years would add up to fewer than
six months, but it could increase life expectancy by more than three
The researchers also determined that if every non-runner who had been
part of the reviewed studies took up the sport, there would have been 16
percent fewer deaths over all, and 25 percent fewer fatal heart attacks.