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  • Mediterranean diet...

Mediterranean diet significantly lowers odds of wheezing in youth exposed to smoke

Written By : Hina Zahid |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2022-03-22T18:45:08+05:30  |  Updated On 22 March 2022 6:49 PM IST
Mediterranean diet significantly lowers odds of wheezing in youth exposed to smoke
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More than four million adolescents in the United States have asthma, and many more youth who have not received official diagnosis of this airway disease still experience wheezing.

A cross-sectional study of a nationally representative sample of adolescents has found that youth with substantial exposure to environmental tobacco smoke who consumed a higher quality diet—such as the Mediterranean diet and eating higher amounts of fruits, vegetables, omega-3 fatty acids, and fiber—experienced significantly lower odds of wheezing, compared to adolescents with the same exposure and a poorer quality diet including saturated fats and processed foods.

Targeted public health interventions to improve access to, and consumption of, higher quality foods may represent a potential future strategy to reduce respiratory illnesses linked to exposure of environmental tobacco smoke from cigarettes and cigars. Mount Sinai researchers encourage further population-level, longitudinal studies dedicated to understanding the role of diet in airway disorders among environmentally exposed adolescents.

The cross-sectional study on more than 7,000 nonsmoking adolescents used data from the National Health and Nutrition Examination Survey from 2003 to 2012. Researchers assessed diet quality using the Healthy Eating Index-2010 score, categorized into quintiles. A higher Healthy Eating Index-2010 score indicates a better compliance with the dietary guidelines recommended by the USDA Food and Nutrition Services for Americans. The adolescents' exposure to environmental tobacco smoke was measured using serum cotinine, a marker of nicotine intake, considering levels as high (>2.99 ng/ml) or low (≤2.99 ng/ml).

The researchers reviewed outcomes that included self-reported wheezing and cough symptoms in the past 12 months, and examined a sub-group who had tests showing how well their lungs function The researchers used survey-design adjusted logistic and linear regression models to evaluate associations between diet and 1) respiratory symptoms and 2) lung function, and assessed the interaction between the Healthy Eating Index-2010 score and the level of serum cotinine.

While there were no significant associations between diet quality and respiratory symptoms, there was a significant interaction between the Healthy Eating Index-2010 score and serum cotinine on wheezing. Among those with high serum cotinine, adolescents with the healthiest diet are less likely to experience wheezing than those with the poorest diet.

In contrast, among adolescents with low serum cotinine, there were no significant differences in any respiratory symptoms between those with the highest, compared to the lowest diet quality. Among the sub-group of heavier secondhand smoke exposure with detailed data about their breathing and lung function, there was a trend towards better lung function with improving diet quality, although this did not achieve statistical significance.

The study concluded that consumption of a higher quality diet was associated with lower wheezing odds in adolescents with substantial exposure to environmental tobacco smoke. While additional longitudinal studies are needed to better understand the role of diet in airways disorders among people exposed to tobacco smoke, researchers encourage consideration of public health interventions to improve diet quality in vulnerable, environmentally-exposed populations.

https://www.atsjournals.org/doi/abs/10.1513/AnnalsATS.202107-837OC


Sonali Bose,Icahn School of Medicine,Elliot Eisenberg,asthma,chronic respiratory disease,omega-3 fatty acids,Annals of the American Thoracic Society

mediterranean dietwheezingcoughsasthmaannals of the american thoracic society
Source : Annals of the American Thoracic Society
Hina Zahid
Hina Zahid

    Hina Zahid Joined Medical Dialogue in 2017 with a passion to work as a Reporter. She coordinates with various national and international journals and association and covers all the stories related to Medical guidelines, Medical Journals, rare medical surgeries as well as all the updates in the medical field. Email: editorial@medicaldialogues.in. Contact no. 011-43720751

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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