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Dieting And Fitness Has Its Ways |
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Moderate Exercise May Beat Intense Workouts |
| Content provided by Reuters |
| Tuesday, August 28, 2007 | NEW YORK (Reuters Health) - Moderate exercise like walking may be as good as or better than intense workouts when it comes to certain heart health measures, new research suggests. In a study of 240 overweight, middle-aged adults, researchers found that moderate exercise, but not vigorous activity, improved participants' levels of blood fats called triglycerides. Meanwhile, improvements in "good" HDL cholesterol seemed to depend on how much study participants exercised, and not how intensely. What's more, researchers found, both benefits were sustained when exercisers took a vacation from working out.
All of this is good news for sedentary people who would find it hard to leap from the couch to a daily run, according to the study authors.
On the other hand, there's bad news for sedentary people who would prefer to stay that way. In this study, participants who remained inactive saw their "bad" LDL cholesterol levels climb over just six months.
The negative effects don't stop there. Previous work with the same study group found that inactive participants continued to gain weight and inches around the waistline, lead study author Dr. Cris A. Slentz told Reuters Health.
"In overweight or mildly obese sedentary individuals, continuing to be inactive is worse than previously thought," said Slentz, an exercise physiologist at Duke University Medical Center in Durham, North Carolina.
He and his colleagues report the findings in the Journal of Applied Physiology.
To be continued...
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