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Besides its physical health benefits, exercise is often said to
help people simply feel good. And a growing number of studies are
showing that these mood-boosting effects may even fight clinical
depression.
Researchers found that walking for 30
minutes each day quickly improved the patients' symptoms -- faster,
in fact, than antidepressant drugs typically do.
The results indicate that, in selected patients with major depression,
aerobic training can produce a substantial
improvement in symptoms in a short time.
Previous studies have suggested that exercise is a potent mood-booster,
and some research indicates that for some patients regular activity
may be a better depression treatment than psychotherapy or medication.
Exactly why is unclear, but exercise does influence certain mood-related
hormones. And it is also believed to enhance people's sense of control
over their lives.
In one study that compared exercise with antidepressants among
older adults, investigators found that physical
activity was the more effective depression-fighter.
British Journal of Sports Medicine
April 2001;35:114-117
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