Nursefriendly.com: Obesity rates

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Thursday, May 5, 2011

Extra Pounds at Midlife May Boost Dementia Risk Later: MedlinePlus

Being overweight during middle age may increase your risk of developing dementia later on, a new Swedish study suggests.

Several studies have already linked obesity in middle age to dementia in later life, but it was unclear whether merely carrying some extra pounds in midlife was a risk factor. The new research suggests that even being overweight -- defined as having a body mass index (BMI) of 25 to 30 -- is linked with a higher risk of dementia.

"Being overweight at midlife increased the risk of dementia in late life by more than 70 percent," said lead study author Dr. Weili Xu, a postdoctoral researcher at Karolinska Institute in Stockholm.

Being obese raised the risk even more, to nearly fourfold.

"Although the effect of midlife overweight on dementia is not as substantial as that of obesity, its impact on public health is significant," Xu said, noting that 1.6 billion adults worldwide are obese or overweight, including 50 percent of adults in the United States and Europe.

The study is published in the May 3 issue of Neurology.

via nlm.nih.gov

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Thursday, April 28, 2011

Legislating Away Obesity? | Dr. Sharma's Obesity Notes

Today is the beginning of the 2nd National Obesity Summit hosted by the Canadian Obesity Network in partnership with the Canadian Association of Bariatric Physicians and Surgeons and the Coalition Poids here in Montreal.

Over the next five days, almost a 1000 researchers, clinicians, policy makers and other stakeholders from across Canada will be discussing the latest in obesity prevention and management.

Just in time for this meeting, the Canadian Medical Association Journal released an article by Mark Eisenberg and colleagues from Montreal’s McGill University on legislative approaches to tackling the obesity epidemic - a topic that will be broadly discussed and addressed at this Summit.

In their paper, the authors present a comprehensive look at the many legislative instruments that policy makers could potentially use to address the obesity problem at a population and individual level.

The paper looks at a wide range of legislative initiatives including taxation and bans of ‘obesogenic’ foods, changing the built environment to promote active transportation, introducing school and workplace programs, and addressing advertising to children - i.e. is the full complement of topics that are generally looked at in ‘policy’ discussions on this topic.

via drsharma.ca

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Sunday, April 24, 2011

Contagious Habits: How Obesity Spreads | Wired Science | Wired.com

By Jonah Lehrer

April 19, 2011 |

2:06 pm |

Categories: Frontal Cortex, Science Blogs

A few years ago, Nicholas Christakis and James Fowler made a striking discovery about obesity: it spreads from person to person, much like a contagious virus. They were able to demonstrate this by mining the data sets of the Framingham Heart Study (FHS), a longitudinal survey that has revealed many of the risk factors underlying cardiovascular disease. Because the FHS noted each participant’s close friends, colleagues, and family members, Christakis and Fowler were able to recreate the social network of the town, to see how everyone was connected to everyone else.

And this is when they made their remarkable discovery about weight gain. According to the data, if one person became obese, the likelihood that his friend would follow suit increased by 57 percent. (This means that the network is far more predictive of obesity than the presence of genes associated with the condition.) If a sibling became obese, the chance that another sibling would become obese increased by 40%, while an obese spouse increased the likelihood that the other spouse would become obese increased by 37%.

The Christakis/Fowler work is an important reminder that Donne was right: No man is an island/entire of itself. Instead, we are all plugged into a vast network of social contacts and cultural norms. While we think ourselves as autonomous individuals, that autonomy is severely constrained by those around us.

But this longitudinal data – it’s a bird’s eye view of human life – still begs the question: How do other people influence us? Why does an obese friend make us so much more likely to gain weight? Why do the habits of others influence our own habits?

via m.wired.com

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Wednesday, April 6, 2011

Obesity In Childhood Leads To Poor Posture And Back Pain

Being overweight as a child and adolescent can lead to poor postures linked to back pain, according to new research by Curtin University's School of Physiotherapy, the Curtin Health Innovation Research Institute and the Telethon Institute for Child Health Research.
The research team compared the Body Mass Index (BMI, a common benchmark for obesity), of 1,373 children from the long-term Raine Study over a period of 12 years (from the age of three to 14) with specific standing postures measured at age 14

via medicalnewstoday.com

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Wednesday, March 30, 2011

Why Exercise Won't Make You Thin - TIME

As I write this, tomorrow is Tuesday, which is a cardio day. I'll spend five minutes warming up on the VersaClimber, a towering machine that requires you to move your arms and legs simultaneously. Then I'll do 30 minutes on a stair mill. On Wednesday a personal trainer will work me like a farm animal for an hour, sometimes to the point that I am dizzy — an abuse for which I pay as much as I spend on groceries in a week. Thursday is "body wedge" class, which involves another exercise contraption, this one a large foam wedge from which I will push myself up in various hateful ways for an hour. Friday will bring a 5.5-mile run, the extra half-mile my grueling expiation of any gastronomical indulgences during the week.
I have exercised like this — obsessively, a bit grimly — for years, but recently I began to wonder: Why am I doing this? Except for a two-year period at the end of an unhappy relationship — a period when I self-medicated with lots of Italian desserts — I have never been overweight. One of the most widely accepted, commonly repeated assumptions in our culture is that if you exercise, you will lose weight. But I exercise all the time, and since I ended that relationship and cut most of those desserts, my weight has returned to the same 163 lb. it has been most of my adult life. I still have gut fat that hangs over my belt when I sit. Why isn't all the exercise wiping it out?

via time.com

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Tuesday, March 29, 2011

Ross Kristal: Establishing a BODY of Work to Combat Obesity & Diabetes | Einstein Features

While the explosion of diabetes is making headlines the world over, a group of Einstein students is taking the fight against obesity and diabetes to the streets of the Bronx. Spearheaded by first-year student Ross Kristal, the newly established student club Bronx, Obesity, Diabetes and You (BODY) has ambitious goals and a wide- ranging agenda that they hope will change lives in the Bronx as well as the mindset of the community-at-large.

Ross KristalThe group has identified three major initiatives they plan to undertake — working on exercise and nutrition with elementary school children at P.S. 89; establishing a community garden on the grounds of Einstein’s neighbor, the Jack D. Weiler Hospital; and engaging Bronx community leaders through grassroots outreach to effect educational efforts that can help change attitudes and improve health.

“I am amazed at what Ross and the other students have accomplished so far and that they have chosen to focus on type 2 diabetes, which most people don’t care as much about,” said Dr. Meredith Hawkins, director of the Global Diabetes Initiative and professor of medicine at Einstein, who mentored Mr. Kristal during a summer research project he completed before starting his medical education.

To Mr. Kristal, it all makes perfect sense. “I think that type 2 diabetes is going to be one of the biggest health problems our country faces in the future,” he said, “and we must reach out to the community and start making a difference now.”

via einstein.yu.edu

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Sunday, March 27, 2011

Philadelphia School Battles Students’ Bad Diets - NYTimes.com

Tatyana Gray bolted from her house and headed toward her elementary school. But when she reached the corner store where she usually gets her morning snack of chips or a sweet drink, she encountered a protective phalanx of parents with bright-colored safety vests and walkie-talkies.

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Battling Over Childrens’ Diets

The scourge the parents were combating was neither the drugs nor the violence that plagues this North Philadelphia neighborhood. It was bad eating habits.
“Candy!” said one of the parents, McKinley Harris, peering into a small bag one child carried out of the store. “That’s not food.”
The parents standing guard outside the Oxford Food Shop are foot soldiers in a national battle over the diets of children that has taken on new fervor. With 20 percent of the nation’s children obese, the United States Department of Agriculture has proposed new standards for federally subsidized school meals that call for more balanced meals and, for the first time, a limit on calories. The current standard specifies only a minimum calorie count, which some schools meet by adding sweet foods.

via nytimes.com

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Thursday, May 5, 2011

Extra Pounds at Midlife May Boost Dementia Risk Later: MedlinePlus

Thursday, April 28, 2011

Legislating Away Obesity? | Dr. Sharma's Obesity Notes

Sunday, April 24, 2011

Contagious Habits: How Obesity Spreads | Wired Science | Wired.com

Wednesday, April 6, 2011

Obesity In Childhood Leads To Poor Posture And Back Pain

Wednesday, March 30, 2011

Why Exercise Won't Make You Thin - TIME

Tuesday, March 29, 2011

Ross Kristal: Establishing a BODY of Work to Combat Obesity & Diabetes | Einstein Features

Sunday, March 27, 2011

Philadelphia School Battles Students’ Bad Diets - NYTimes.com

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Food Fight

Battling Over Childrens’ Diets

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