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Medicineworld.org: Fast-food diet cancels out benefits of breastfeeding

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Fast-food diet cancels out benefits of breastfeeding




A number of studies have shown that breastfeeding appears to reduce the chance of children developing asthma. But a newly published study led by a University of Alberta professor has observed that eating fast food more than once or twice a week negated the beneficial effects that breastfeeding has in protecting children from the respiratory disease.

The article appears online in the international journal Clinical and Experimental Allergy based in London, England. Many different findings led the scientists to their conclusion showing links between fast food and asthma, breastfeeding and asthma, and all three together.



Fast-food diet cancels out benefits of breastfeeding

"Like other studies, we observed that fast-food consumption was linked to asthma," said the senior author, Dr. Anita Kozyrskyj (pronounced koh-ZUHR-skee), an associate professor in the Department of Pediatrics in the U of A's Faculty of Medicine & Dentistry.

The research confirmed the findings of a number of other studies about the benefits of breastfeeding in relation to asthma. Kozyrskyj et al. observed that breastfeeding for too short a time was associated with a higher risk of asthma, or on the other hand that children exclusively breastfed 12 weeks or longer as infants had a lower risk.

"But this beneficial effect was only seen in children who did not consume fast food, or only occasionally had fast food," she added.

More than half the children studied ate fast food more than twice a week.

The scientists suggested the prevalence of fast food in today's society may explain why asthma rates keep rising even though more mothers are breastfeeding.

The group did not look at why fast food might cause asthma. But the authors suggest the high fat content, and high salt levels (which can increase twitchy airways and wheezing) appears to be to blame.

Kozyrskyj, an authority in the area of child health and asthma research, was recruited to the University of Alberta from the University of Manitoba to assume the position of Research Chair, Maternal-Child Health and the Environment.

She conducted the study with Dr. Allan Becker while at the University of Manitoba. The team looked at about 700 Manitoba children, about 250 of whom had asthma and 475 who did not. The research was funded by the Canadian Institutes of Health Research and the analyses were conducted by Xiao-Mei Mai, a postdoctoral student at the U of M.

Kozyrskyj noted that nutrition is only one of a number of factors involved in asthma. "But this is an interesting finding, and we hope it will stimulate other scientists to follow up and investigate this in more depth, perhaps with a cohort study."

She was a co-author in a different study that received widespread publicity last year when the scientists reported children who received antibiotics in the first year of life were at higher risk of developing asthma later on.

Other research by Kozyrskyj, reported in the journal Allergy last year, suggested that girls who do not drink enough milk and are overweight appears to be at greater risk for asthma.


Posted by: JoAnn    Source




Did you know?
A number of studies have shown that breastfeeding appears to reduce the chance of children developing asthma. But a newly published study led by a University of Alberta professor has observed that eating fast food more than once or twice a week negated the beneficial effects that breastfeeding has in protecting children from the respiratory disease.

Medicineworld.org: Fast-food diet cancels out benefits of breastfeeding

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