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Overweight kids have fewer cavities, new study shows
April 02, 2008Contrary to conventional wisdom, overweight children have fewer cavities and healthier teeth compared to their normal weight peers, according to a study published in this month's issue of Community Dentistry & Oral Epidemiology.
Surprised researchers at the Eastman Dental Center, part of the University of Rochester Medical Center, conducted a secondary analysis of nearly 18,000 children who participated in two separate National Health and Nutrition Examination Surveys (NHANES III and NHANES 99-02).
The study found no differences in rates of caries (tooth decay) among children ages 2-5 in all weight ranges, while children ages 6-18 who were considered overweight and at risk for becoming overweight showed a decreased risk of caries compared to their normal weight peers.
"We expected to find more oral disease in overweight children of all ages, given the similar causal factors that are generally associated with obesity and caries," said Eastman Dental Center's Dorota Kopycka-Kedzierawski, DDS, MPH, the lead author. "Our findings raise more questions than answers. For example, are overweight children eating foods higher in fat rather than cavity-causing sugars? Are their diets similar to normal weight peers but lead more sedentary lifestyles? Research to analyze both diet and lifestyle is needed to better understand the results."
The study defined overweight children as being at the 95th or higher percentile for their age and sex; children at the 85th or higher percentile and less than 95th percentile for their age and sex were defined as at risk for becoming overweight.
University of Rochester Medical Center
"We expected to find more oral disease in overweight children of all ages, given the similar causal factors that are generally associated with obesity and caries," said Eastman Dental Center's Dorota Kopycka-Kedzierawski, DDS, MPH, the lead author. "Our findings raise more questions than answers. For example, are overweight children eating foods higher in fat rather than cavity-causing sugars? Are their diets similar to normal weight peers but lead more sedentary lifestyles? Research to analyze both diet and lifestyle is needed to better understand the results."
The study defined overweight children as being at the 95th or higher percentile for their age and sex; children at the 85th or higher percentile and less than 95th percentile for their age and sex were defined as at risk for becoming overweight.
University of Rochester Medical Center
Overweight Children Current Events and Overweight Children News RSSParents shape whether their children learn to eat fruits and vegetables
Providing fruits for snacks and serving vegetables at dinner can shape a preschooler's eating patterns for his or her lifetime.
2 years old -- a childhood obesity tipping point?
Over the last decade, childhood obesity has grown into an epidemic, reflected in soaring rates of type 2 diabetes and recommendations that pediatricians check toddlers for elevated cholesterol.
REM sleep associated with overweight in children and adolescents
Short sleep time is associated with overweight in children and adolescents, a core aspect of which may be attributed to reduced REM sleep, according to a research abstract that will be presented on Thursday at SLEEP 2008, the 22nd Annual Meeting of the Associated Professional Sleep Societies (APSS).
New research: Fruit juice consumption not related to overweight in children
Despite studies that assert otherwise, 100% fruit juice consumption is not related to overweight in children, according to the authors of "A Review of the Relationship Between 100% Fruit Juice Consumption and Weight in Children and Adolescents" in the May/June issue of the American Journal of Lifestyle Medicine (AJLM), published by SAGE.
New technique determines that the number of fat cells remains constant in all body types
The radioactive carbon-14 produced by above-ground nuclear testing in the 1950s and '60s has helped researchers determine that the number of fat cells in a human's body, whether lean or obese, is established during the teenage years. Changes in fat mass in adulthood can be attributed mainly to changes in fat cell volume, not an increase in the actual number of fat cells.
New study in JCSM finds that obesity can predict upper airway obstruction amongst children
In Australian children who snore, obesity, not age, is a significant, but only weak, predictor of upper airway obstruction during sleep, according to a study published in the April 15 issue of the Journal of Clinical Sleep Medicine (JCSM).
Changing school environment curbs weight gain in children
Small changes in schools lead to big results when it comes to preventing childhood obesity, according to a study published in the April issue of Pediatrics.
Restricting Kids' Video Time Reduces Obesity, Randomized Trial Shows
Entrenched sedentary behavior such as watching television and playing computer video games has been the bane for years of parents of overweight children and physicians trying to help those children lose pounds.
Thyroid treatment no 'quick fix' for weight loss in children
Children treated for hypothyroidism aren't likely to drop pounds with treatment for the condition says a new study in the Journal of Pediatrics. The study is the first to examine the link between hypothyroidism treatment and weight loss in pediatric patients.
Mom's obesity during conception phase may set the stage for offspring's obesity risk
The number of overweight and obese Americans continues to grow rapidly. Today, 50 percent of adults are overweight and up to 20 percent are obese. While the number of overweight/obese children is at an all time high, the steady increase of overweight infants -- individuals under 11 months old -- is alarming.
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