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We give you many useful information about health

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We give you many useful information about health

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We give you many useful information about health

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Tampilkan postingan dengan label Little. Tampilkan semua postingan
Tampilkan postingan dengan label Little. Tampilkan semua postingan

Minggu, 04 Desember 2011

Little Women: When Puberty Starts Too Soon

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AppId is over the quota

It's never easy to be 13 — especially when you're actually only eight. If there was one good thing about the unavoidable storms of puberty, it was that you could at least predict when they'd come. After 11 or 12 years of a relatively uncomplicated childhood, you would slowly begin the transition to your teen years and beyond. No more.

Increasingly, puberty in both the developed and developing world is beginning as young as age eight, seven or even earlier. In the U.S. two out of every 10 white girls, three out of every 10 Hispanic girls and four out of every 10 African American girls are showing breast development by age eight. Onset of puberty is falling for boys too — with doctors not even considering it a clinical problem unless the physical changes begin before age 9. It's girls, however, who are being hit the hardest.

MORE: New York City Mandates Sex Ed Classes for Public School Kids

The American obesity epidemic is surely to blame — at least in part — since fatty tissue can increase the body's output of certain hormones. So too may the agricultural hormones found in meat and dairy products. And so too may industrial chemicals, especially phthalates and BPAs in plastics, which are known as endocrine disruptors for their tendence to mimic, block or otherwise interfere with the function of hormones.

Kids whose puberty begins too soon face not just psychological risks, but physical ones too, with an increased likelihood of cancer, as well as skeletal changes that could prevent them from attaining their full adult height.

PHOTOS: Teens in America: Class Pictures

Drug therapies to shut off puberty are available, but is this really what we've come to — injecting preteens with hormone and growth regulators to control a process nature had already figured out perfectly well? TIME's investigative story, "Little Women," appearing in the current issue (and available to subscribers here), explores what's behind the plummeting age of puberty, and what we can do — must do — to fix the problem.

Jeffrey Kluger is a senior writer at TIME. Find him on Twitter @jeffreykluger. You can also continue the discussion on TIME's Facebook page and on Twitter at @TIME.



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Debt Financing

Rabu, 09 November 2011

Little steps to make over a town

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AppId is over the quota
Living longer with a healthy environment Three beach cities in California are attempting to change their health outcomesSchools encourage kids to walk, businesses encourage workers to adopt healthy habitsFounder believes environment is bigger factor in obesity than individual responsibility

Manhattan Beach, California (CNN) -- At 7:35 a.m. in Southern California, children who've brushed their teeth, combed their hair and stuffed their wheeled backpacks rub their eyes awake and shuffle onto the street.

They gather at the intersection of Agnes Road and 35th Street in Manhattan Beach for the school bus.

But this school bus doesn't carry the kids. The kids carry it.

By its handles, the children hoist a yellow bus-shaped sign that reads, "Walking School Bus." The other students wave triangular orange flags to warn cars to slow down. They walk along the street and stop at another designated spot to pick up more kids at the "bus stop." Adult supervisors follow them for the half-mile walk to the elementary schools.

Students \ Students "ride" the Grand View Elementary Walking School Bus in Manhattan Beach.

All of them are exercising and they hardly know it.

Walking to school is the practice of a bygone era and it's also a small piece of an extensive project to bring simple, healthy changes to a grand scale.

Three Southern California cities, Manhattan Beach, Redondo Beach and Hermosa Beach, are undergoing a three-year health makeover under a program designed by Dan Buettner, an author and explorer.

His mission is to "make the active option, the easy option."

Buettner's program called Healthways Blue Zones Vitality City aims to make the healthy choice, the convenient choice by changing an entire community's environment. He's devising ways to change that environment by making it harder to find junk food, more convenient to get physical activity and easier to adopt healthy habits.

Dan Buettner is the author of \ Dan Buettner is the author of "Blue Zones: Lessons for living longer from the people who've lived the longest."

The changes don't ask for "marathon and diets," Buettner said. It's small changes that add up, such as bike lanes, better pedestrian access, encouraging personal interactions and walking to school.

Jennifer Agliozzo, a mom who coordinates the walking bus for Grandview Elementary School, said the walks have become more popular in just two weeks. When they walk to school, "people come out and wave like we're a parade," she said.

"It's nice to get cars off the street and the traffic," she said. "It's also nice meeting other parents."

The simple act of walking to school "engineers three to five miles a week, so you don't have to worry about gym class and you get people moving," said Buettner whose project finds the best practices in healthy communities to apply to U.S. cities.

As Americans grow bigger and unhealthier, Buettner, an author of books about longevity and happiness, doesn't chalk it up to people being dumber or lazier. The blame for the obesity crisis cannot fall squarely on the shoulders of personal responsibility -- there's a bigger factor, he posits.

It's the environment, he said Thursday at TEDMED, a conference discussing innovations in health. "We are all part of a system. We need to address the system."

"You can't rent a movie, fill up on gas without running through the gauntlet of junk food that can pound you all day long," he said. "When you go to a Little League game, you can't go without seeing parents bring the pop and cookies. You can't get away from empty calories."

There is a degree of personal responsibility, but "discipline is a muscle that fatigues," he said.

The three neighboring California beach cities were chosen among 50 to undergo the health makeover under the project called Vitality City. A major criterion was that the local government and schools had to be on board.

Bike paths are planned. The mayor of Manhattan Beach hosts public hours in form of walking meetings with his constituents.

Cris Bennett, owner of Good Stuff Restaurant, has added more healthy options to his menu. Cris Bennett, owner of Good Stuff Restaurant, has added more healthy options to his menu.

A local food chain, Good Stuff, offers calorie counts and nutritional facts including fat, carbohydrates and protein in its menu.

The employees of the local Crowne Plaza Hotel organized a walking group with 70 members. At Body Glove, a water sports brand, managers got rid of the candy and chips in the office and replaced them with sliced fruit. The businesses that have signed on to the Vitality City's effort receive free pedometers and free smoking cessation classes.

Andrea Soto, an employee at a call center called AAMCOM in Redondo Beach, said health issues at work also should be addressed.

At the call center, workers sit in cubicles, staring into the computer screen and answering calls from stranded people using Los Angeles County highway call boxes. On a busy morning, there is hardly any movement, only the hum of conversations and typing.

When Soto came to work at the call center six years ago, she gained 50 pounds.

"When we get here, we gain weight. We were sitting down the whole eight hours. During breaks, we were sitting down. When we weren't sitting down at the call center, we were sitting down in the break room," she said.

Steven Diels\' company Aamcom participates in the employee health programs as part of Vitality City. Steven Diels' company Aamcom participates in the employee health programs as part of Vitality City.

The company decided to get involved with the Vitality City.

Every week, the office gets free lunch -- but the only rule is that it has to be healthy. The workers usually prefer Subway sandwiches.

The owner started filling a bowl in the break room with apples, pears and bananas. The employees also share an office bicycle for those who want to bike rather than drive to lunch.

If small efforts like this means that workers "eat fewer calories, have less stress in the workplace, then all of this helps the overall emotional and physical well-being of the business," said the owner, Steve Diels.

It's more expensive to lose workers to sick days than to provide healthy snacks, he said. Since the efforts began, one employee has lost 20 pounds, and another has lost 12.

About 75 employers, including aerospace company Northrop Grumman, the public school systems and municipalities, have signed up for the beach cities' efforts .

The efforts that started in Southern California this year are based on the same principles of the pilot project helmed by Buettner in 2008 in Albert Lea, Minnesota, a city of 18,000.

We're good people but we need to think of health in a different way.
Dan Buettner

In Albert Lea, they banned junk food snacking in schools, started walking school buses, organized community-walking groups and identified the most socially influential people to spread healthy habits. The three-year project ended with an average weight loss of about three pounds, extended life expectancy of three years and a 40% drop in health care costs for the city.

Buettner hopes to translate Albert Lea's results to bigger cities.

So they arrived to the three California cities. They found that the local governments and schools supported their efforts. Plus the funding came from Healthways, a well-being company and the Beach Cities Health District, a preventive health agency.

A Gallup poll of the three cities of 1,300 people found that 60% of the population was overweight or obese. Forty-six percent reported significant stress and their anger level was at 16%, which was on par with Detroit, Michigan, according to the poll.

"What has changed is the environment," said Buettner of the recent rise in obesity issues. "The price of calories, we've engineered physical education out of our lives. We're good people but we need to think of health in a different way."

In the early 2000s, Buettner, on assignment for National Geographic, sought to find longevity hotspots. After spending five years, he wrote a book identifying five cities where people enjoyed longer and healthier lives. The five are Sardinia, Italy; Okinawa, Japan; Loma Linda, California; Ikaria, Greece; and Nicoya Peninsula, Costa Rica.

He and his team distilled the reasons why these communities were successful. People there had social and community networks (the in-person type, not Facebook), had daily purposes in their lives. And they did not seek out exercise, because their daily routines were "landmined with opportunity" for physical activity, Buettner said.

A \ A "walking Moai" takes a walk down The Strand in Redondo Beach, California.

To incorporate those lessons, the cities' program includes walking moais -- essentially a social group that walks together based on common interests and schedules. There are 150 of them exercising through the three beach cities.

Irv Brand, 83, and his wife, Joan Edelmann of Redondo Beach, are the leaders of one of these walking groups. Before joining the walking group, they never exercised.

Now they walk 12 miles a week.

"Walking alone at a health club is boring," said Brand. "It's more fun to walk with a group. If we don't feel like walking, we go anyway because the group expects us to be there.

"It's better than trying to do it on our own."



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Technology

Kamis, 22 September 2011

The Toughest Little Bird You've Never Heard Of

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AppId is over the quota

They're nothing to look at. They're not colorful. They seem so ordinary, in mottled brown, black and gray, if you noticed them at all, you'd think, "ah, just another shore bird, pecking at something in the water." But you'd be so wrong. Bar-tailed Godwits are special. So special, they deserve special attention.

An illustration of a Bar-tailed Godwit.

They are the only birds known to fly more than 7,000 miles nonstop, that means no food breaks, no water breaks, no sleep breaks, no pausing, just pushing through cyclones, storms, headwinds, flappity flap, flap for days and nights — and this is their championship season. In September and October, they leave Alaska, head straight for the ocean. Though they are land birds, and cannot fish or rest on the sea, they will cross most of the Pacific Ocean, and fly all the way to New Zealand. Many of them are young, and have never done this before. No other bird can do what they do, and they're doing it right now.

Map of the southward Bar-tailed Godwit migration, from a study published by Proceedings of the Royal Society B, 2009.  

As you read this, a bunch of Bar-tailed Godwits or Kuakas, as they're called in New Zealand, are hanging out in western Alaska, eating a rich medley of clams, worms, seeds and berries, guaranteed to add ounces to their slight frames (check our exclusive Kuaka Workout Program below). They eat so much, they double their body weight. To do that, their intestines and gizzard, not much needed in flight, literally shrink, making space for more fat.

Then they wait. What they want is a good wind to help them south. This time of year, at the Yukon-Kuskokwim Delta in Alaska, the weather often obliges.

Map of the Yukon-Kuskokwim Delta

According to wildlife biologist Bob Gill and his colleagues at the U.S. Geological Survey Science Center, between late August to early November, roughly "two and five cyclones track into the Gulf of Alaska each month that generate winds favorable for southward departure." So when a storm system comes their way, they somehow know it's time, and off they go, up into the sky, riding the winds, which keep them moving at, Gill figures, an average speed of 35 miles an hour, with storms, gusts and cyclones boosting them south.

Fighting The Winds

Black-tailed Godwits flying.

Pacific winds will constantly change; both for them and against them. Once they hit mid-passage, equatorial breezes slow, and the bird has to beat his or her way south without much help. They burn half their body weight as they fly, and sleep, bird-style, by shutting down one side of the brain at a time. Past the equator, they bump into the southeasterly trades, which is the runner's equivalent of an uphill slog, pushing them west, so they have to navigate to keep on course.

How they do that, many of them never having been in the southern hemisphere, never having seen the southern stars, nobody seems to know. But they manage. One female, dubbed E7, because that was the code on her wireless transmitter, is the current world champion: she flew 11,680 kilometers (7,369 miles) in 8.1 days. Non-stop. (Gill knows that because the transmitter told him so.)

Bar-tailed and Black-tailed Godwit in flight

Nobody Does It Better

What a bird! There are 70,000 of them, but they seem to be losing population. The trek back north in the spring takes them west, to Asia, where they stop and feed. Wetlands are being drained in that part of the world, which may make it hard for them to make the last leg home to Alaska. It would be a terrible thing to have these fierce, athletic birds wink out.

So while they're with us, performing their unmatched Kuaka feats of flight, I think it's only right that we go to bat for them, pr-wise, get them a show on Bravo ("The Real Kuakas of New Zealand"), get them booked on Leno and Letterman, get Mario Batali to reproduce their miracle diet, and — why not? — reach out to other birds who might want to know a little more about the "Kuaka lifestyle."

I asked my friend Josh Kurz to work on a few ideas — he has dabbled in advertising and he came up with an ad that celebrates these birds so much, you're going to have to click on it two times to read it all. It's aimed, strangely, at owls and turkeys — who don't share the Kuaka's migratory urge, but hey, Josh is just publicizing what the rest of us — human, bird, whatever — really ought to know: that these birds may look puny, but under those plain brown feathers lies a mighty heart.

Gotwit cartoon

Illustrator (and reporter/producer) Josh Kurz regularly contributes to this blog. He recently illustrated a story about the last living wild cycad and before that produced an enormous stack of fish cans to illustrate acceptable ways to spell the word mackerel.



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