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May 19

People with Asthma Get the Green Light for Exercise

KEY POINTS

* Researchers found that the people with asthma who exercised were no more likely to experience asthma-related problems than those who didnt. * Exercise might help alleviate asthma symptoms over time by increasing cardiovascular fitness.

By Christen Brownlee, Contributing Writer Research Source: The Cochrane Library Health Behavior News Service

Newswise Not only is it safe for people with asthma to exercise, but doing so could reduce their risk of asthma symptoms or attacks, according to a new evidence review in The Cochrane Library.

Many people with asthma report avoiding exercise because theyre afraid it could trigger symptoms including shortness of breath, wheezing or a full-blown asthma attack, said review author Kristin V. Carson. These fears might be encouraged from misreading their symptoms, their familys beliefs about exercise and asthma, or even from their physicians.

Over time, Carson explains, patients can become out of shape, losing muscle mass and cardiovascular fitness. That makes any future attempts at physical activity significantly harder, increasing the chances that patients will become fatigued and breathless and further discouraging physical activity.

This results in a spiraling cycle, she says, in which patients are even more likely to avoid exercise.

To determine whether exercise was a danger to asthmatics, Carson and her colleagues reviewed previous studies that looked at the effects of physical training on people with asthma , comparing patients who received no or minimal physical activity to those who exercised for at least 20 minutes, twice a week, over the course of four weeks.

The researchers found that the patients who had exercisedusing physical training as varied as running outdoors or on a treadmill, cycling, swimming or circuit trainingwere no more likely to have a serious asthma-related problem than those who werent exercising or who did light exercising such as yoga. Additionally, Carson said, their findings showed that patients in exercise programs improved their cardiovascular fitness, which in turn could reduce asthma symptoms over time. Some limited evidence from the included studies also suggested that exercise improved patients quality of life, she added, which could contribute to other health benefits and improved psychological well-being.

We found no reason for people with stable asthma to refrain from regular exercise, Carson said. Physicians should encourage their patents with stable asthma to engage in physical training programs.

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People with Asthma Get the Green Light for Exercise

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