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  • Consumption of cooked...

Consumption of cooked meat tied to development of asthma in children: Study

Written By : Hina Zahid |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2020-12-22T11:00:32+05:30  |  Updated On 30 Dec 2020 11:38 AM IST
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Researchers have found in a new observational study that consumption of cooked meat was associated with development of asthma in children. In fact inflammatory compounds found in cooked meat are linked to a heightened risk of childhood wheeze.

The compounds, known as advanced glycation end products, or AGEs for short, are by-products of high temperature cooking, such as grilling, frying, or roasting, with cooked meat a major dietary source.

The research has been published online in the journal Thorax.

AGEs lock on to particular 'danger signal' cells in the body, which are particularly abundant in the lungs, triggering an inflammatory immune system response. But it's not clear how they might influence the development of respiratory symptoms.

To explore this further, the researchers looked at the potential impact of dietary AGE intake and meat consumption on respiratory symptoms, drawing on responses to the National Health and Nutrition Examination Survey (NHANES) for the years 2003 to 2006.

NHANES is a nationally representative annual survey assessing the health and nutrition of the US population.

The researchers included 4388 children aged 2-17 years, for whom information on dietary patterns, assessed by the 139-item Food Frequency Questionnaire, and respiratory symptoms were available. The quantity of AGEs consumed was calculated from the responses to the Food Frequency Questionnaire.

Some 537 (13%) of the children said they had experienced wheezing over the past year. After accounting for potentially influential factors, such as age, sex, race/ethnicity, household income, weight (BMI), and asthma, higher AGE scores were significantly associated with increased odds of wheezing (18%).

They were also associated with increased odds of disturbed sleep due to wheezing (26%) at least once; wheezing during exercise (34%); and wheezing requiring medication (35%) over the past year.

Similarly, higher intake of all types of meats was associated with a more than doubling in the odds of sleep disrupted by wheezing and the need for medication to ease symptoms.

This is an observational study and so can't establish cause, added to which there is no validated method of measuring AGE intake, caution the researchers. But the findings back those of other research linking a proinflammatory dietary pattern and wheezing, they say.

"As several cohort studies have suggested an adverse effect of meat consumption on paediatric airways health, confirmation of a positive correlation between AGE intake and non-seafood meat consumption in our cohort strengthens our a priori hypothesis that dietary AGEs may have an important role in airway inflammation in children," they write.

The Western dietary pattern, characterised by high levels of AGE-rich foods--meats and saturated fats, may promote an inflammatory cascade, so contributing to airway inflammation and possibly the development of asthma, they explain.

In a linked editorial, Professor Jonathan Grigg, Centre for Child Health, University of Queen Mary, London, observes that a growing body of evidence implicates AGEs in the development of asthma.

"Although we are far from having enough evidence to recommend changes in meat consumption in children in order to reduce asthma, a focus on adverse respiratory effects of consuming large amounts of cooked meats resonates with wider agendas," he suggests.

This includes the 2020 UK Health Alliance on Climate Change report which concluded that red meat consumption will need to be halved if the food system is to stay within sustainable environmental limits.

"Irrespective of the adverse health effects of AGEs, it may therefore now be time to advocate a diet with smaller amounts of higher-quality and more sustainable cooked meat," he concludes.

For further reference log on to:

http://dx.doi.org/10.1136/thoraxjnl-2020-216109

thoraxinflammatory compoundscooked meatchildhood wheezemajor dietary sourceinflammatory immune systembmiasthma
Source : Thorax
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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