"Patients who undergo total knee replacement are at substantial risk for weight gain during the 5 years after the surgery, a large retrospective study showed.
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Please see the below article. The take home message is that we can control our health and well being. People should consider how important their personal health and well being is, and make choices in line with their chosen ideals.
It's a matter of how far you walk or run, not how long, said Paul Williams, a staff scientist at the Lawrence Berkeley National Laboratory in Berkeley, Calif.
"Both of these activities reduce risk factors, and if you expend the same amount of energy you get the same benefit," Williams said. The key was the more people walked or ran each week, the more their health improved, he said.
The findings suggest "there is now some choice in the exercise you want to do," he said. Some people find running more convenient, others prefer walking, especially people just starting to exercise, he noted.
The advantage of running is you can cover twice as much ground in the same amount of time as you would walking, Williams pointed out. Other research using data from the walkers' and runners' studies found that for weight loss, running beats walking. That study appears in the April issue of Medicine & Science in Sports & Exercise.
Williams is referring to brisk walking, however. "Walking for exercise. It's not a mosey kind of thing, but actually walking for exercise,".
For the study, published online April 4 in Arteriosclerosis, Thrombosis and Vascular Biology, Williams and Dr. Paul Thompson, a cardiologist at Hartford Hospital in Connecticut, collected data from the National Runners' Health Study and the National Walkers' Health Study. More than 33,000 runners and nearly 16,000 walkers were involved.
The runners and walkers were 18 to 80 years old, but mostly in their 40s and 50s, the study authors noted.