The incidence of asthma is 1.47 times higher in obese people than non-obese people, and a three-unit increase in body mass index (BMI) is associated with a 35 percent increase in the risk of asthma, the study noted.
OTTAWA: Weight loss can improve asthmaseverity, asthma control, lung function, and quality of life of obese adults with asthma, say researchers, including one of Indian-origin.
The researchers found that weight loss reduced asthma severity as measured by airway hyperresponsiveness (AHR) in obese adults.
"While previous studies have examined the relationship between asthma severity and obesity, this study is unique because of its strict adherence to an accurate diagnostic criteria and study outcome (AHR), resulting in purer results to support weight loss as a strategy to normalise or reverse asthma in this group of people hit very hard by the condition," said Smita Pakhale from University of Ottawa in Canada.
The incidence of asthma is 1.47 times higher in obese people than non-obese people, and a three-unit increase in body mass index (BMI) is associated with a 35 percent increase in the risk of asthma, the study noted.
The researchers followed 22 obese participants with asthma aged 18 to 75 years with a BMI greater than 32.5 kg/m2.
Sixteen participants followed a behavioural weight reduction program for three months, and six served as control subjects.
The researchers found that weight loss reduced asthma severity as measured by airway hyperresponsiveness (AHR) in obese adults.
"While previous studies have examined the relationship between asthma severity and obesity, this study is unique because of its strict adherence to an accurate diagnostic criteria and study outcome (AHR), resulting in purer results to support weight loss as a strategy to normalise or reverse asthma in this group of people hit very hard by the condition," said Smita Pakhale from University of Ottawa in Canada.
The incidence of asthma is 1.47 times higher in obese people than non-obese people, and a three-unit increase in body mass index (BMI) is associated with a 35 percent increase in the risk of asthma, the study noted.
The researchers followed 22 obese participants with asthma aged 18 to 75 years with a BMI greater than 32.5 kg/m2.
Sixteen participants followed a behavioural weight reduction program for three months, and six served as control subjects.
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