Running too fast may pose heart risk for older athletes
Older athletes speeding to the finish line may be racing toward the end of life, new research has warned.
"Running too fast, too far and for too many years may speed one's progress toward the finish line of life," the paper quotes an editorial written for next month's British journal Heart.
Researchers analyzed 52,600 runners and non-runners over three decades.
Overall, the runners enjoyed a 19 percent lower death rate than their non-running peers, but the runners who ran a lot (over 20-25 miles a week) did not, Discovery News reported.
Another study found that running at a top speed of 8 miles per hour produced the most longevity benefits.
"After age 50, pushing too hard is probably not good for one's heart or longevity," study author and sports cardiologist James OiKeefe told the paper.