Tuesday, July 22nd, 2014
Moms who are overprotective of their children–especially in the arena of avoiding risks in physical activity–may actually be increasing their kids’ risk of health problems, specifically obesity. A longitudinal study conducted by Australian researchers found that moms who are overprotective tend to limit physical activity for their kids, and by age 10 or 11, the kids are at a higher risk of being overweight or obese.
The data came from the Longitudinal Study of Australian Children, which followed more than 2,500 children from ages 4 to 11. They used a measure called the Protectiveness Parenting Scale to rank parents’ degrees of protectiveness in three main areas:
- How difficult a parent finds it to be separated from their child
- How much they try to protect their child from problems or difficulties
- How difficult it is for them to relinquish control of their child’s environment as they get older.
As the Science Network of Western Australia reports, moms who scored moderately high on the scale were 13 percent more likely to have overweight or obese kids; moms who scored high on the scale were 27 percent more likely. More from the Science Network:
“However, we only found this pattern once kids reached the age of about 10-11 years.”
“This could be to do with the amount of independence and physical activity that kids get.”
“At 10–11 years some kids will be allowed to walk or ride to school on their own, or with friends, or participate in sport… others will be driven around and have greater restrictions.”
“So while some kids have many options for physical activity, kids with an overprotective parent might miss out, [which] could explain why we found higher rates of overweight and obesity.”
They also found higher protective scores across mothers from greater socioeconomic and environmental disadvantage, which Ms Hancock says is understandable.
“If they’re living in areas with increased traffic congestion, or in neighbourhoods that are less safe, then we need to remember that… it isn’t as simple as saying ‘let your kids be more active’ if the opportunities aren’t there.”
What is your parenting style?
Image: Mom and child holding hands, via Shutterstock
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Thursday, June 26th, 2014
The obesity rate among American kids may actually be higher than the 18 percent of children the Centers for Disease Control currently classifies as obese, according to an analysis published in the journal Pediatric Obesity. As many as 25 percent of obese or overweight kids may not be counted because the tally is based on the body mass index (BMI), a calculation that researchers say is flawed because children’s height and weight change rapidly as they grow–and not always in proportion with each other.
More from The Wall Street Journal:
“BMI is not capturing everybody who needs to be labeled as obese,” said Francisco Lopez-Jimenez, director of preventive cardiology at the Mayo Clinic in Rochester, Minn., who headed the study with Asma Javed, a pediatric endocrinology fellow.
Measuring body-mass index is a relatively easy and inexpensive way to screen for obesity among large groups of people, such as children in a school setting. A problem is that BMI, a calculation based on a person’s height and weight, isn’t well suited to children because their height and weight don’t proportionally increase as they grow, said Ruth Loos, a professor of preventive medicine at the Icahn School of Medicine at Mount Sinai in New York, who wasn’t involved with the Mayo study.
“It doesn’t mean that we cannot use BMI in childhood but it requires extra caution,” she said.
Other recent research has linked everything from sleep deprivation to weight-based name calling with an elevated risk of childhood obesity. Research released earlier this year had claimed a significant drop in the childhood obesity rate in the U.S., but subsequent research actually showed a sharp increase in the number of severely obese kids.
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Wednesday, June 18th, 2014
Despite the idea that kids would be playing and moving around outside during the summer months, new research from Harvard University shows that summertime is actually when kids are most at risk of packing on pounds. Part of the reason may be school-led efforts to offer healthier lunches and ban sugary drinks, but also at fault could be sedentary summer habits, less structure, and more (and less healthy) snacks. More from Today.com:
Researchers at the Harvard School of Public Health looked at data from seven studies that included more than 10,000 kids ages 5 to 12 in the United States, Canada and Japan. In all but one of the studies published between 2005 and 2013, the findings suggested that weight gain accelerated among kids during the summer — mostly for black and Hispanic youngsters and children and teens who were already overweight.
“It’s especially those kids who are already at risk who are the most at risk during the summer,” said Rebecca Franckle, a Harvard doctoral student who led the study published in the journal Preventing Chronic Disease.
In one study of more than 5,300 kindergarten and first-graders in 310 U.S. schools, researchers found that the kids’ body mass index growth, one measure of excess weight, was more than twice as fast during summer vacation as during the school year.
“Although schools may not provide ideal environments for healthy BMI growth, it appears that they are healthier than most children’s non-school environment,” researchers concluded in the 2007 study in the American Journal of Public Health.
About a third of children and teens in the U.S. are either overweight or obese, according to federal health estimates. Piling on extra weight at a young age can lead to serious health problems later in life.
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Wednesday, April 16th, 2014
New research has linked a mother’s weight with the risk that her baby could either be stillborn or die shortly after birth. Reuters has more:
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The risk was greatest among the most obese women, the authors write in The Journal of the American Medical Association.
“The main message of the study is that maternal overweight and obesity increases the risk of fetal death, stillbirth and infant death,” said Dagfinn Aune, the study’s lead author, from Imperial College London.
“Since excess weight is a potentially modifiable risk factor, further studies should assess whether lifestyle and weight changes modifies the risk of fetal and infant death,” he told Reuters Health in an email.
Stillbirths, when a child dies in the womb toward the end of pregnancy, account for a large part of the estimated 3.6 million neonatal deaths that occur each year, the researchers point out.
Previous studies have linked women’s weight during pregnancy to the risk of their children dying in the womb or shortly after delivery due to complications. Some could not show their findings were not due to chance, however.
For the new study, the researchers pulled together data from 38 studies. Together, these included over 45,000 accounts of child deaths that occurred shortly before or after delivery, although a few studies counted deaths up to one year after birth.
According to the U.S. National Institutes of Health, a person of normal weight would have a body mass index (BMI) – which is a measure of weight in relation to height – between 18.5 and 24.9.
An adult who is 120 pounds and five feet, five inches tall, for example, would have a BMI of 20.
A BMI between 25 and 29.9 is considered overweight, and a score of 30 or above is considered obese.
Wednesday, October 9th, 2013
Body mass index (BMI) standards can be misleading for athletic students whose bodies are in excellent condition, but higher in muscle mass. One 11-year-old Naples, Florida girl learned this when her school sent home a letter warning her parents that she was in danger of becoming overweight; Lilly Grasso is a star volleyball player and has a healthy lifestyle. More on the letter, and her parents’ reaction, from Today.com:
The letter claimed that Lilly’s body mass index, or BMI, was 22 and she was at risk for being overweight. The 11-year-old star volleyball player carries 124 pounds on an athletic frame of 5’3” and eats healthy foods.
“It says that and tells you to go to their website and the at risk turns to Lilly is overweight,” Grasso said on TODAY.
She believes her daughter is a healthy weight and the Florida Department of Public Health in Collier County made a mistake by sending what’s known by some as a “fat letter” home with her daughter. She thinks that children might feel bad by being labeled as overweight or fat, even if they are healthy.
But, Deb Millsap, public information officer of the Collier County Health Department, and Joan Colfer, MD, MPH, director of the Florida Department of Public Health, Collier County told TODAY that while the letters are sent home with the students, they are in sealed envelopes addressed to the parents. Students can open the letters, but that means they are reading their parents mail.
The letter included BMI—which uses height and weight to determine if someone is within a healthy range—and information on how students’ vision and hearing are and if they are at risk for scoliosis. The data comes from a regular screening process that occurs when students in are kindergarten, first, third, and sixth grades. Florida is one of 21 states that have laws requiring BMI screenings. Millsap said the health department is currently in the middle of screenings for this school year, but last year the department tested 13,454 children. About 25 percent had possible vision issues, less than 1 percent had possible hearing problems, 2 percent had scoliosis, and 43 percent had BMI issues, either above or below normal numbers. Parents can opt out of the screening for their children, but Millsap and Colfer said not many parents do.
“We do not want kids to have self-esteem issues,” said Millsap. “Right on [the] letter it says sports may impact the results.”
Athletic children and adults might have a higher BMI because they have more muscle mass. BMI provides a rubric for doctors to work with, but does not provide an entire picture of a person’s health.
“Because of the obesity crisis, we have to have some tool. The CDC will say [BMI] is not perfect,” Colfer told TODAY. “These are simply screen tests, it is not a diagnosis.”
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