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5 things moms can do to reduce child obesity risk, according to a new study

The United States leads the world in highest rates of childhood obesity.


According to Atlanta-based Centers for Disease Control and Prevention, the percentage of children and adolescents affected by obesity has more than tripled since the 1970s.

» RELATED: One-third of all humans are now overweight — and American children are leading the way

Having excess body fat, measured as body mass index, can put children at higher risk of other chronic health conditions and diseases, including asthma, Type 2 diabetes, bone and joint problems, sleep apnea and heart disease.

In a new study published this week in the journal BMJ, researchers from several universities, including from the Harvard T.H. Chan School of Public Health, Johns Hopkins Bloomberg School of Public Health and Brigham and Women’s Hospital, tracked nearly 17,000 female nurses and their kids to observe how mothers’ habits may influence risk of childhood obesity. A total of 24,289 children ages 9-14 of the 16,945 nurses were followed throughout the 1990s as part of the study.

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Researchers found that after a median of five years of follow-up each, adolescents were 75 percent less likely to be very overweight if their mothers practiced these five specific healthy habits:

  • Maintaining a healthy weight
  • Exercising regularly
  • Eating a nutritious diet
  • Light to moderate alcohol intake
  • No smoking 

Children following their moms’ optimal healthy habits were also 82 percent less likely to be obese compared to children of mothers who didn’t adopt any of the five healthy behaviors.

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“This association was similar across sex and age groups and persisted in subgroups of children with various risk profiles defined by factors such as pregnancy complications, birth weight, gestational age, and gestational weight gain,” authors wrote in the report. 

With one in five American children and adolescents aged 6-19 diagnosed as obese, researchers hope the new study highlights “the potential benefits of implementing family or parental based multifactorial interventions to curb the risk of childhood obesity.”

It’s important to note, however, that genetics do influence a child’s propensity to obesity. But the rapid incline in obesity rates, authors suggested, may imply “nurture” is a more significant factor than “nature” in the current epidemic.

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More key findings from the study:

  • Children were 21 percent less likely to be obese in adolescence when moms spent 150-plus minutes per week on moderate-to-vigorous exercise.
  • Children were 56 percent less likely to be obese in adolescence when moms had BMIs in the “healthy weight” range compared to obese or underweight moms.
  • Children were 31 percent less likely to be obese in adolescence when moms didn’t smoke.
  • There was no significant association between a mom’s diet and childhood obesity, likely because meals aren’t always prepared at home and can be influenced by school lunches and environment.

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Limitations

Some limitations, according to the researchers, include self-reported data on body weight and lifestyle characteristics. While self-reported data is subject to error, “the accuracy of self reported body weight has been examined in a validation study among a random subset of NHSII participants living in the Boston area, and their self reported weight were found to be highly reliable,” authors noted.

They also mention that prospective research on a father’s role in childhood obesity risk is needed.

Additionally, the participant pool was relatively homogenous when it comes to socioeconomic status and educational attainment.

For more about the study, its methodology and limitations, visit bmj.com.

Obesity in Georgia

Here are Georgia’s obesity and overweight stats, according to the latest 2016 numbers from the Centers for Disease Control and Prevention:

  • 35.2 percent of adult population was overweight
  • 30.5 percent of adults were obese
  • 17.1 percent of adolescents were overweight
  • 12.7 percent of adolescents were obese
  • 15 percent of children ages 2-4 in the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) program were overweight
  • 13.4 percent of children ages 2-4 years in WIC were obese

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