Showing posts with label children. Show all posts
Showing posts with label children. Show all posts

Saturday, 26 March 2011

Obesity Problems Fuel Rapid Surge Of Type 2 Diabetes Among Children

Today, about 3,700 Americans under the age of 20 receive a diagnosis annually of what used to be called "adult-onset" diabetes, according to the Centers for Disease Control and Prevention. That relatively small number makes it a rare disease in children, but it represents a trend with larger ramifications.

"In a little more than 10 years, the numbers went from nothing to something," says Larry Deeb, a pediatric endocrinologist and past president of the medicine and science division of the American Diabetes Association. "And that's something to worry about."

Diabetes can cause a litany of medical woes, including heart disease, kidney failure, limb amputations and blindness. It costs the U.S. health-care system $174 billion a year, according to the National Institutes of Health.

Those statistics are grim enough when patients are in their 60s. When the diagnosis is made decades earlier, new fears are raised: Will these children suffer heart attacks in their 20s, need kidney dialysis in their 30s or go blind before they see their own children graduate from high school?

Because about 80 percent of Type 2 diabetes patients are overweight or obese, it's not surprising that patients such as Annie ask if they've done this to themselves. But there are other risk factors that no one can control: family history, ethnicity (blacks, Hispanics and American Indians have higher rates of diabetes), genetics or a mother who had diabetes during her pregnancy.

Instead of wallowing in regret, doctors suggest that young patients and their parents seize the opportunity for a crash course on how to improve their health.

"I used to wear a button that said 'Stamp Out Guilt,' " says Fran Cogen, director of the Child/Adolescent Diabetes Program at Children's National Medical Center in Washington, D.C. "I try to tell people that no one caused their diabetes. I emphasize that they can make changes now."

Alarm bells are going off among those who study diabetes in children because of what they know about the adult version of the illness. More than 25 million Americans have diabetes (more than 90 percent have Type 2), according to the National Institute of Diabetes and Digestive and Kidney Diseases -- but another 79 million have a condition called pre-diabetes, in which blood sugar levels are higher than normal but not as high as in diabetes.




Pre-diabetes isn't a disease requiring medical treatment -- it's a wake-up call. A large national study showed that adults with pre-diabetes who lost 7 percent of their body weight reduced their risk of diabetes by 58 percent.

Officials are concerned that the number of children already identified as having Type 2 diabetes is just the tip of the iceberg. In a national study of 2,000 eighth-grade students from communities at high risk for diabetes, more than half of the kids were overweight or obese. Only 1 percent had diabetes - but almost a third of them had pre-diabetes, according to Lori Laffel, chief of the Pediatric, Adolescent and Young Adult Section of the Joslin Diabetes Center in Boston and a principal investigator on the study.

It's crucial, she says, to find those children before their condition progresses to diabetes so that it can be reversed by lifestyle changes, without medication.

Making Progress


If there is any good news in childhood diabetes, it is that pediatricians are starting to look for it.

"It's in the news, and all over the medical literature," says Susan Conrad, a pediatric endocrinologist at Inova Fairfax Hospital. "Pediatricians are on top of it."


For example, sometimes children whose bodies are beginning to have problems regulating insulin develop a telltale dark, velvety rash around their necks. A decade ago, such a child might have been referred to a dermatologist.

In addition, CDC guidelines suggest that a child with a family history of diabetes, or one whose weight is above the 85th percentile for age and sex should be screened, with blood and urine tests, for diabetes.

Family experiences made John Perrone of Winchester, Va., aware of diabetes and its consequences. John's mother, who developed gestational diabetes during all three of her pregnancies, now has Type 2 diabetes. His mother's aunt had diabetes, and by the time she died in her 70s, she was on dialysis, in a wheelchair, legally blind and had suffered two strokes.

John got a diagnosis of Type 2 diabetes four years ago, and he has worked hard ever since to keep the disease under control. He says he's gone from an overweight 11-year-old to a husky but fit 15-year-old. He has progressed from needing insulin injections to keeping his glucose under control with oral medication, combined with healthful eating and a lot of exercise.

He has learned enough to want to teach other kids with the disease. As an Eagle Scout project, he has developed a PowerPoint presentation aimed at youngsters. He has translated medical terms, such as glucose and glucometer, into words they understand, such as sugar and meter. He has also wanted to simplify for kids the basics of weight loss, which is so crucial for diabetes control.

"It's all about in and out, what you eat, how much you exercise," he says. "Maybe if kids understand it better, they can do it."



Source: Kaiser Health News

Monday, 31 January 2011

Kids who get recommended sleep least likely to be obese

Scientists at the University of Chicago and the University of Louisville compared the sleep patterns of 308 children, ages 4-10, with their body mass index, a number that considers height and weight. The children wore special wrist-band devices for a week to track the amount they slept.

Some of the kids had blood work done to look at their glucose, insulin, triglycerides and cholesterol levels, which are markers for the risk of type 2 diabetes and future cardiovascular disease.

The study, out online today in Pediatrics, shows:

•Kids slept an average of eight hours a night. This is far less than the nine or more hours recommended for this age group.

•Kids who slept at least 9½ to 10 hours were the least likely to be obese or to have unhealthy blood work.

•The children who slept the least and had the most irregular sleep schedule (they didn't go to bed at a set time) had a substantially greater risk of being obese and having unhealthy blood work.

•Those who got caught up on sleep on the weekends somewhat reduced their risk of being obese or having unhealthy blood work.

•Obese children were less likely to get caught up on their sleep on the weekends.

"Good sleep routines and sleeping the right amount is the best healthy proposition," says lead author David Gozal, chair of the department of pediatrics at the University of Chicago.

Previous research shows that not getting enough sleep may contribute to weight gain partly because it affects hormones that control hunger and feeling full.

Source: USA today. http://www.usatoday.com/printedition/life/20110124/sleepandweight24_st.art.htm

Tuesday, 25 January 2011

Obese adolescents and the risk of breast cancer

According to a recent review, adolescent girls and in high risk of developing breast cancer.

Breast cancer, the second most common cause of cancer death in women, is strongly associated with obesity; this relationship is particularly true in postmenopausal breast cancer. There are many factors that many explain the relationship between adiposity and breast cancer. Obesity is related to elevated levels of insulin and leptin, and lower levels of adiponectin. Hyperinsulinemia may impact and affect tumorigenesis. Peripheral aromatization of androgens in adipose tissue is enhanced by leptin, leading to greater estrogen levels.Adipocytokines may participate as cancer promoters and regulators, and participate in regulation of sex steroids by interleukins 4 and 6 (Il-4, Il-6). Increased serum levels of leptin and resistin, and decreased levels of adiponectin, were related to tumor metastasis.

From: In-Iw and Biro. Adolescent Women and Obesity. Journal of Pediatric and Adolescent Gynecology