Navigation Links
Overweight 7-Year-Olds Face Higher Risk of Asthma
Date:12/24/2011

By Jenifer Goodwin
HealthDay Reporter

FRIDAY, Dec. 23 (HealthDay News) -- Children who are overweight or obese during early childhood have a greater risk of having asthma at age 8 than normal-weight kids, a new study finds.

Researchers in Sweden followed more than 2,000 children for eight years, using preschool and school health records to track their height and weight at ages 1 year, 18 months, 4 years and 7 years. Parents completed questionnaires about their child's health, including asthma and allergy status.

Children who had persistently high BMI (body mass index) -- in the 85th percentile or above -- throughout early childhood, or who were normal-weight toddlers but gained weight and had a high BMI at age 7, were more likely to have asthma than kids who had a normal body weight.

However, kids who had a high BMI at an early age -- at 18 months or 4 years -- but slimmed down by age 7 were not at higher risk of asthma than other kids.

"If the children are only overweight during the early period before 4 years of age we do not see an increased risk of asthma during school age," said lead study author Jessica Magnusson, a Ph.D. student at the Institute of Environmental Medicine in Stockholm. "However, if they are persistently overweight, or overweight at a later age -- age 7 -- then there is an association with asthma at age 8."

Asthma, characterized by inflammation of the airways, may cause wheezing, coughing, chest tightness and trouble breathing.

The study is in the January issue of Pediatrics.

At age 8, about 6 percent of the kids in the study had asthma. Those overweight at age 4 and age 7 had a nearly 2.5 times greater risk of having asthma.

Researchers excluded kids who'd had early symptoms of wheezing or had been diagnosed with asthma prior to age 2.

Researchers also took into account parental history of asthma. A high BMI was associated with an increased risk of asthma only in kids without parental history of the disease, according to the study.

Researchers pointed out that their study does not show that being overweight or obese causes asthma. However, the march upward in childhood obesity rates has coincided with an increase in asthma rates, leading some to speculate that the two may be linked biologically.

One theory is that leptin, a hormone found in fat tissue, may contribute to an inflammatory immune response that could trigger asthma, which is a chronic inflammation of the airways.

A prior study found higher leptin levels in overweight children, and that even among overweight children with similar BMIs, kids with asthma tended to have higher leptin levels.

The current study also found an association between being overweight at age 7 and sensitization to airborne allergens. Sensitization, or the presence of certain antibodies in the blood, often indicates an allergy to a particular substance, but researchers did not track actual symptoms.

Getting control of a child's weight is important to prevent asthma and other conditions that are showing up more in kids, including diabetes and high cholesterol, said Nancy Copperman, director of public health initiatives in the Office of Community Health at North Shore-LIJ Health System in Great Neck, N.Y.

And obesity and asthma can feed off each another. Children experiencing asthma symptoms and having difficulty breathing may be less apt to participate in physical activity, while parents may worry about their asthmatic kids and not allow them to do certain things, such as run outside in the cold, Copperman said.

"What this study argues for is prevention," she said. "The kids who were heavier and got leaner didn't have the increased incidence of asthma, while those who were lean and got heavier or were heavy from the beginning did ... Obesity is not a cosmetic problem. It has real health consequences."

More information

The American Academy of Child & Adolescent Psychiatry has more on childhood obesity.

SOURCES: Jessica Magnusson, Ph.D., student, Institute of Environmental Medicine, Stockholm, Sweden; Nancy Copperman, R.D., director, public health initiatives, Office of Community Health, North Shore-LIJ Health System, Great Neck, N.Y.; January 2011, Pediatrics


'/>"/>
Copyright©2010 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Stress reduction and mindful eating curb weight gain among overweight women
2. Being overweight not such a stigma for African American women
3. Most Doctors Dont Tell Parents Kids Are Overweight
4. Crash experts find car seats protect overweight kids, too
5. Dairy foods may improve bone health during diet and exercise in overweight premenopausal women
6. Overweight Teens Dont Seem to Grasp Weight Loss Rules
7. Study finds overweight teens want to lose weight, going about it the wrong way
8. Study: Overweight older women have less leg strength, power
9. Overweight Women Believe Loved Ones Judge Them More Harshly Than They Do
10. Being Overweight May Take Years Off Seniors Lives
11. Weight loss improves sexual health of overweight men with diabetes
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Overweight 7-Year-Olds Face Higher Risk of Asthma
(Date:2/5/2016)... , ... February 05, 2016 , ... US Sports ... Studio in Dover, NH to direct high-performance kids yoga training. ChildLight Yoga Studio is ... just one hour from Boston. , ChildLight Yoga Studio founder Lisa Flynn expresses her ...
(Date:2/5/2016)... (PRWEB) , ... February 05, 2016 , ... The American ... technology, such water may be safer than regular municipal or well water. The recent ... radio host Sharon Kleyne, could go a long way toward increasing public acceptance of ...
(Date:2/5/2016)... , ... February 05, 2016 , ... Give To ... users to search for and donate to Give To Cure’s campaign that is crowdfunding ... that lets users make and share payments through a smart device. In 2015 alone, ...
(Date:2/5/2016)... ... February 05, 2016 , ... Pivot Point ... Best in KLAS: Software & Services for HIT Implementation Support & Staffing report ... independently ranks vendor performance by healthcare executives, managers and clinicians representing over 4,500 ...
(Date:2/5/2016)... ... 05, 2016 , ... Dr. Justin Scott and Dr. Lydia Muccioli of ... Day to individuals in need. The event is scheduled to take place on February ... is to provide dental care to community members in need. Each patient will be ...
Breaking Medicine News(10 mins):
(Date:2/5/2016)... 2016  Aralez Pharmaceuticals Inc. ("Aralez") today announced the ... Tribute Pharmaceuticals Canada Inc. ("Tribute") following approval of the ... The combined company will operate under Aralez Pharmaceuticals Inc. ... Canada , Ireland ... Under the terms of the Agreement and Plan of ...
(Date:2/5/2016)... New York , February 5, 2016 ... new Transparency Market Research report states that the global ... in 2014 and is predicted to reach US$185.9 bn ... CAGR of 6.50% from 2014 to 2020. The title ... (Branded/Generic/Over-the-counter, Chemical/Biological, Captive/Contract Manufactured, by Geography, and by Therapeutic ...
(Date:2/5/2016)... -- Henry Schein, Inc. (NASDAQ: HSIC ), the world,s largest ... dental, animal health and medical practitioners, announced today that ... majority ownership interest in Dental Cremer S.A., a distributor ... . --> ... dental distribution business of Cremer S.A. With 2015 sales ...
Breaking Medicine Technology: