Acute pulmonary function response to ozone in young adults as a function of body mass index.

Acute pulmonary function response to ozone in young adults as a function of body mass index. Research Abstract Details 

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Acute pulmonary function response to ozone in young adults as a function of body mass index. Abstract Text:

William D Bennett,Milan J Hazucha,Lawrence J Folinsbee,Philip A Bromberg,Grace E Kissling,Stephanie J London,William D Bennett,Milan J Hazucha,Lawrence J Folinsbee,Philip A Bromberg,Grace E Kissling,Stephanie J London,

Recent studies have shown enhanced responsiveness to ozone in obese mice. Adiposity has not been examined as a possible modulator of ozone response in humans. We therefore examined the relationship between body mass index and the acute spirometric response to ozone (O(3)) exposure among 197 nonasthmatic young adults (aged 18-35 yr) studied in our human exposure facility from 1992 to 1998. Each subject had been exposed to 0.42 ppm O(3) for 1.5 h with intermittent exercise designed to produce a minute ventilation of 20 L/min/m(2) body surface area (BSA). Spirometry (pulmonary function) was measured pre- and immediately postexposure to determine acute ozone-induced changes. The decrement in forced expiratory volume in 1s (Delta FEV1) as percent of baseline was significantly correlated with BMI, r = -0.16, p = .03, with a slightly stronger correlation in women (n = 75), r = -0.22, p = .05, and no significant correlation in men. BMI had a greater range in women than in men in our study. In women greater ozone-induced decrements were seen in overweight (BMI > 25 kg/m(2)) than in normal weight (BMI 18.5 to 25 kg/m(2)), and in normal weight than in underweight (BMI < 18.5 kg/m(2)) for all spirometric variables considered (p trend

Acute pulmonary function response to ozone in young adults as a function of body mass index. Publishing Authors By Initials

WD Bennett,MJ Hazucha,LJ Folinsbee,PA Bromberg,GE Kissling,SJ London,WD Bennett,MJ Hazucha,LJ Folinsbee,PA Bromberg,GE Kissling,SJ London,

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Acute pulmonary function response to ozone in young adults as a function of body mass index. Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: Inhalation toxicology

VOLUME: 19

Page Numbers: 1147-54

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ISSN: 1091-7691

DAY: 7

MONTH: Nov

YEAR: 2007

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LANGUAGE: eng

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Grant and Affiliation Information for Acute pulmonary function response to ozone in young adults as a function of body mass index.

AFFILIATION: Center for Environmental Medicine, Asthma and Lung Biology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.

Country: United States

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MEDLINETA: Inhal Toxicol

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