We all know that exercise is good for your health. But some kinds of exercise may be better than others.
Running, for example, may help to protect against heart disease and other health problems. Running also may help you live longer.
Researchers say it is not important how far you run. It also does not matter how fast or even how often you run.
As advertisements for the running shoe Nike say, “just do it.”
Recently, researchers studied more than 55,000 adults. About one-fourth of the adults reported running regularly. The study found these runners were considerably less likely than non-runners to die of any form of disease, including heart disease. In fact, the runners lived, on average, three years longer than the non-runners.
This study lasted 15 years. During that time, more than 3,400 of the individuals died. About 1,200 of the deaths were linked to heart disease, a heart attack or stroke.
One of the researchers is a man named D.C. Lee. He is an assistant professor of kinesiology, or the science of movement, at Iowa State University. Compared to non-runners, he says, runners showed a much lower risk of dying from some diseases.
“Compared to non-runners, runners showed 30 percent lower risk of death by any causes, including heart attack, stroke or cancer. Also, runners compared to non-runners showed 45 percent lower risk of death by cardiovascular disease, including heart attack and stroke.”
D.C. Lee and the other researchers found that speed, distance and how often one runs made little difference in reducing the risk of death. The runners in the study averaged between 10 and 16 kilometers per hour. Mr. Lee says slower runners, and those who only ran once or twice a week, were helped nearly as much as those who ran faster and further.
“And also we looked at the running over time and we found that persistent runners - over I think six years - they showed the biggest benefits, as well.”
To stay healthy, doctors suggest that adults up to age 65 do 150 minutes of moderate exercise every week. They say these individuals need 75 minutes of vigorous exercise, like running, every week for good health.
But how complete is this study?
The researchers note that their study was based on the participants' answering questions over the years. The study lacked complete information on what these men and women ate and other facts about their lifestyles.
Researchers say this missing information could have affected the results. Still, they hope their findings will motivate healthy adults to start running, a bit, down the road to a longer life.
Five tips for safe running
Running may be good exercise, but it can be difficult on the body. Here are five commonly shared ideas among fitness experts to reduce the risk of injury for people new to running or jogging.