Asthma: Interactions between obesity and other risk factorsWong, Matthew (2022) Asthma: Interactions between obesity and other risk factors. Master Essay, University of Pittsburgh.
AbstractObjective: To first review and critically discuss published evidence on interactions between obesity and selected risk factors on asthma in children and adults, and then discuss potential future directions in this field. Study Selection: A literature search was conducted for human studies on obesity and selected interactions (with sex, race and ethnicity, socioeconomic status, indoor and outdoor pollutants, depression, anxiety, and diet) on asthma. Studies that were published in English and contained a full text were considered for inclusion in this review. Results: Current evidence supports interactions between obesity and outdoor and indoor air pollutants (including second-hand smoke [SHS]) on enhancing asthma risk, though there are sparse data on the specific pollutants underlying such interactions. Limited evidence also suggests that obesity may modify the effects of depression or anxiety on asthma, while little is known about potential interactions between obesity and sex hormone levels or dietary patterns. Conclusion: Well-designed observational prospective studies (e.g., for pollutants and sex hormones) and randomized clinical trials (e.g., for the treatment of depression) should help establish the impact of modifying co-existing exposures to reduce the harmful effects of obesity on asthma. Such studies should be designed to have a sample size that is large enough to allow adequate testing of interactions between obesity and risk factors that are identified a priori and thus well characterized using objective measures and biomarkers (e.g., urinary or serum cotinine for SHS, epigenetic marks of specific environmental exposures). Share
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