Wednesday, December 7, 2011

An insider's account of vote rigging for Putin (AP)

MOSCOW ? The election official had a problem. Workers at his polling station had been stuffing ballot boxes with votes for Vladimir Putin's party all day, he says, but when the votes were counted United Russia still didn't have enough.

So he huddled with the election commission he chaired at the Moscow precinct. The decision: Putin's party would get the desired 65 percent. One member objected, but relented when the others tossed his Communist Party a few dozen votes.

The commission chairman spoke to The Associated Press on condition of anonymity for fear of losing his job. He also said he could be punished for disobeying orders to report any contact with foreign observers or journalists to the FSB, the successor to the Soviet-era KGB.

His account closely matches reports by independent observers of rampant vote-rigging during Sunday's election, in which United Russia maintained its majority in parliament. Amateur videos posted on the Internet also appeared to show falsified ballots spilling out of boxes at polling stations.

Officially, United Russia got roughly 50 percent of the vote, a significant drop from the 64 percent the party won in the last election. But the reports of fraud indicate it may have lost even more support than those results suggest. Central Election Commission officials said they have received no reports of serious violations but would investigate any formal complaints.

This election was emerging as a watershed moment in a country where people have long seemed inured to vote manipulation, both before and after the fall of the Soviet Union. The fraud allegations have set off protests in the street and stirred broader public indignation, suggesting that the political system Putin built to solidify his control has begun to crack just three months ahead of a vote on his return to the presidency. The lackluster opposition has suddenly been energized.

Anger over the election drew more than 5,000 people Monday night, in one of the biggest anti-Putin protests in years. Police detained about 300 protesters to prevent them from marching to the Central Elections Commission near the Kremlin. New protests on Tuesday night were thwarted by police, who were out in force after having been taken by surprise the night before.

Amateur videos claiming to show the vote being rigged have spread via social media networks, including one in which the chairman of an election commission is filling out a stack of ballots. The clip attracted so much attention that city election officials were forced to acknowledge that the chairman had been caught falsifying the vote and could face charges.

The commission chairman who spoke to the AP said that representatives of Russia's four main parties got together before the election to negotiate how many votes each would get in district precincts. United Russia initially wanted 68 to 70 percent, but conceded that was too high and settled for around 65.

On voting day, the chairman said, election workers quietly slipped ballots into the boxes, as many as 50 at a time, being careful to keep the papers from rustling and attracting the attention of observers.

He said workers were trained on how to stuff ballots, each a thin sheet roughly the size of standard letter paper. He demonstrated how a stack of up to 30 or even 50 ballots could be folded in half, hidden inside a jacket and slipped into the ballot box without making any noise.

The chairman said there was a limit to the amount of ballot stuffing his commission could do. So district election officials took a few hundred of the precincts ballot, filled them out for United Russia and gave them to migrant men not on the precinct's rolls. Fake voter lists were substituted for the real ones.

During a tour of the polling station, the commission chairman pointed to a spot along the far wall where he had put chairs for observers. He said one observer was particularly zealous, never leaving the room during the 12-hour voting period, even to use the toilet.

The chairman said he got the police to evict the observer 10 minutes before the polls closed, too late for a replacement to be sent. Election monitoring groups and political parties have complained that their observers were barred from many polling places.

When the votes were counted, United Russia got only about 50 percent, even with all the extra ballots; the chairman said its real support had been about 25 percent. Turnout also was low, another setback for the Putin camp.

But when the chairman reported the 50 percent result to the district election commission, he said, he was told to make it 65 percent in the official report, which needed to be signed by all 15 members of the commission. Turnout was also to be inflated.

Most of the commission members willingly went along with the change, he said, and the one holdout was appeased when a few dozen votes were taken from smaller parties and given to the Communists.

The director of Golos, an independent election watchdog, said chairmen of election commissions at polling stations are at the center of efforts to rig the vote and routinely come under heavy pressure.

"Most of the violations we see happen at the local level," Liliya Shibanova said.

Golos says many violations involved busing people with absentee ballots to multiple polling stations so they can vote, a system called "cruise" or "carousel" voting.

Putin, who served as president from 2000 to 2008 and then moved into the prime minister's office because of presidential term limits, is hoping to return to the presidency after the March election. He had been counting on a strong show of popular support for United Russia in the parliamentary election to add legitimacy to his campaign.

He has appeared shaken by the election results and by the overall lack of enthusiasm over his decision to reclaim the presidency from Dmitry Medvedev.

Many Russians are growing weary of his leadership, and of the pervasive corruption and great social inequality it has fostered.

Still, there is little doubt that Putin will win the presidential election. He remains more popular than his party and will likely face only tepid opposition, given his control over who is allowed to run.

Putin seems to realize that he needs to respond to the discontent, but gave no sign Tuesday that he knows how.

"As for the question of what exactly is worrying people and why they don't vote for United Russia but vote for other parties, of course we need to think about this," he said. "We need to analyze these problems and formulate further suggestions on solving them."

Source: http://us.rd.yahoo.com/dailynews/rss/russia/*http%3A//news.yahoo.com/s/ap/20111206/ap_on_re_eu/eu_russia_fixing_the_vote

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Monday, December 5, 2011

2012 Cleantech Investing Forecast Cloudy | EarthTechling

by Susan DeFreitas, December 3rd, 2011

What?s the forecast for cleantech investing in 2012? Cloudy with a chance of decline, according a new set of predictions?from Kachan & Co., a cleantech analysis and consulting firm, though predictions for the coming year do?include some bright spots as well, particularly in the realms of wave power and industrial wastewater.

First, the bad news: the amount of venture capital entering clean technology companies?is expected to decline in 2012 for the first time since the global economic downturn?of 2008. After three successive years of growth, the market for cleantech investing is now likely to?flag due to increased difficulties in fundraising?for investors themselves, waning policy support in the developed world and negative sentiment from the past two quarters (including?the general fall-out from the high-profile bankruptcy of Solyndra).

Cleantech predictions investment infographic

image via Kachan & Co.

However,?other factors are expected to help mitigate?this decline, including?China?s desire to?manage its economic turbulence, a forecasted rise in oil prices and global corporations??strengthened role in cleantech, as well as continued solar innovation and persistence of the fundamental drivers of cleantech.

Other bright spots for cleantech investing?in the coming year?include a rising interest in marine power, i.e., wave, tidal and ocean thermal energy. While??2012 will not be the year that marine power?becomes cost-competitive with coal, or even nearly, we can expect to see increased private and corporate funding.? (This prediction is based on increased numbers of marine power trials around the world, as well as?recent strategic investments by large companies like Siemens.)

We can also expect to see increased water and agricultural sector activity as industrial wastewater?drives water investments, based on a growing understanding of the potential for produced water from the oil and gas industry to?be put to work in growing crops.

Related Stories

Tags cleantech investing, Kachan & Co.

Posted in Biofuels, Geothermal Power, Hydrogen Fuel Cells, Marine Power, Renewable Energy, Solar Power, Wind Power

Source: http://www.earthtechling.com/2011/12/2012-cleantech-investing-forecast-cloudy/

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Sunday, December 4, 2011

Panasonic Lumix DMC-GF3


The Panasonic Lumix DMC-GF3 ($599.99 direct with 14-42mm kit lens) is the smallest camera in the Panasonic Micro Four Thirds family, taking many of its design cues from point-and-shoot models. The 12-megapixel camera doesn't do as well in low light as some other interchangeable lens cameras, like our Editors' Choice Sony Alpha NEX-C3 ($649.95, 4.5 stars), and its kit lens is a little larger than the one bundled with the Olympus PEN E-PM1 ($499.99, 4 stars). The camera is easy enough for anyone to use, but offers the image quality and manual controls to satisfy enthusiastic shutterbugs?in a very compact package.

Design and Features
Available in black, red, silver, or brown, the GF3 measures ?2.6 by 4.2 by 1.3 inches and weighs 7.9 ounces without a lens. Despite having a larger image sensor, the camera itself is only slightly larger than the 2.4-by-4.2-by-1.2 inch, 8.3-ounce Nikon J1 ($649.95, 3.5 stars). The GF3's 14-42mm (28-84mm, 35mm equivalent) is a bit larger than that of the J1, and is actually about the same size of that of the Sony NEX-C3?a camera with a much larger image sensor. Olympus also includes a 14-42mm lens with its Micro Four Thirds cameras, but that lens features a collapsing design that helps to cut down on its size. Panasonic recently unveiled its own collapsing Lumix G X Vario PZ 14-42mm f/3.5-5.6 ($399.95), which is available separately or bundled with the GF3 for $749.99. If zoom isn't a necessity, you can opt for the Lumix G 14mm f/2.5 ASPH lens ($399.95). The pancake prime is quite light and small, although its fixed focal length design means that it won't zoom. The GF3 is also available in a kit with that lens for $699.99.

Wrapped in a metal exterior, the camera feels quite solid in your hands. The pop-up flash, which is hidden in the top of the camera, can be revealed via a release switch. There is no hot shoe or accessory port, so you won't be able to add an external flash, electronic viewfinder, or other accessory as you could with its predecessor, the Panasonic Lumix DMC-GF2 ($699.95, ?4 stars). A 3-inch, 460k-dot, touch-screen LCD dominates the rear of the camera. The display is bright and crisp, but it doesn't tilt like the one found on the Olympus PEN E-PL3 ($649.99, 3.5 stars), so you'll have to contend with glare on very bright days. The Sony NEX-C3 also has a tilting display, but its resolution is 920k dots, twice that of the GF3. To its right are a thumb grip, four-way command dial, an image playback button, and the Q.Menu/Function button. You'll find the On/Off switch, a dedicated movie record button, the shutter release, and a button to toggle iAuto mode on the top of the camera. You can use these controls to adjust camera functions, or interact directly via its touch screen. This approach is not dissimilar to that taken by Sony with its Alpha NEX-5N ($699.95, 4.5 stars)?that camera also uses a touch interface to supplement physical controls.

The menu system has the look and feel of that of other Panasonic cameras. Numerous indicators overlay the edges of the display, without obscuring too much of the frame. The Q.Menu button brings up an overlay display that allows you to adjust some of the more common camera functions. You can customize what items are included and the order in which they appear to best suit your shooting style. The camera's full menu, which allows you to adjust every conceivable camera setting, is broken up into six sections, one of which is a virtual mode dial. You'll have to go through this interface to change from Program to Aperture Priority or another shooting mode. Changing the shooting mode can also be accomplished by tapping the indicator of the current mode on the top-left corner of the LCD. You can also tap the screen to spot focus, meter, and fire the shutter.

Performance and ConclusionsPanasonic Lumix DMC-GF3 Benchmark Tests
The GF3 is a rather speedy camera. It can start up and take a shot in 1.1 seconds and its shutter lag is about 0.2 second. It offers a few different continuous shooting modes, the fastest of which can capture about 22 images with 0.26 second between shots before the buffer starts to fill and the camera slow down. A medium speed burst mode allows you to shoot continuously with a 0.35-second display between shots. These numbers are almost identical to those of the Olympus E-PM1, although that camera's buffer fills after 12 shots. It does compare very favorably to the smallest interchangeable lens camera on the market, the Pentax Q ($799.95, 3 stars). That camera requires a full 3.8 seconds to start up and shoot, records a 0.4-second shutter lag, and can only buffer five shots in high-speed burst mode.

I used Imatest to test the sharpness and noise in images captured by the camera. I tested the 14-42mm lens at three focal lengths at both maximum aperture and at a more modest aperture to test its performance. At its widest focal length and aperture, 14mm f/3.5, the lens recorded 1,668 lines per picture height of sharpness. This falls short of the 1,800-line mark that denotes a sharp image, but stopping the lens down to f/5.6 increased its score to 1,885 lines. The corresponding 14-42mm lens that is included with the Olympus E-PM1 is much sharper at 14mm f/3.5?it records 2,186 lines.

At 25mm the lens sharpens up a bit, scoring 1,736 lines at f/4.6 and 1,935 lines at f/5.6. At the maximum zoom setting, 42mm, the lens softened a bit, which is typical for a zoom lens. At 42mm f/5.6 it recorded 1,685 lines, improving to 1,943 lines when stopped down to f/8. The E-PM1 lens also softened as it zoomed, dipping to 1,738 lines at 28mm and 1,508 lines at 42mm.

In terms of image noise, the camera was rather disappointing. If an image is made up of more than 1.5 percent noise it looks overly grainy. The GF3 was only able to stay under this threshold through ISO 400, just crossing it at ISO 800. This is a fine number if you are a lens with an aperture of f/2 or faster, but will make it hard to grab a crisp shot in lower light using the included kit lens. It lets in considerably less light, especially at the longer end of its zoom range. The Olympus PEN E-PM1 is clean through ISO 800, barely crossing the 1.5 percent mark at ISO 1600. Our Editors' Choice, the Sony Alpha NEX-C3, offers the best high-ISO performance in a compact camera?it keeps noise under 1.5 percent through ISO 6400.

Video is recorded in 1080i60 or 720p60 format using AVCHD compression. This requires you to connect the camera to your computer to download the footage, and convert it using the included software or software of your choice before you can share it on the web. ?Video quality is excellent?fine details are evident in the footage, and colors are very nice. The camera has a mini HDMI port so you can connect it to an HDTV to watch your footage on a large screen, and a proprietary USB port for computer interface. The memory card slot supports SD, SDHC and SDXC cards.

The Panasonic GF3 is a nice take on the Micro Four Thirds concept?a compact camera system built around a large sensor and interchangeable lenses. Its touch screen may appeal to some users, and it performs admirably in terms of speed and responsiveness. It's brought down by poor image quality in lower light and a kit lens that isn't as sharp as that of the competition. If you're willing to forgo touch input, the Olympus PEN E-PM1 has a sharper, more compact lens and better low light capability?for $100 less. You can also move up to our Editors' Choice Sony Alpha NEX-C3, a camera with a comparably sized kit lens, larger image sensor, and a higher-resolution tilting LCD for only $50 more. If your heart is set on touch, the NEX-5N gives you everything that the C3 does, but adds the touch-screen and 1080p video recording for $700. This is not to say that the GF3 is a bad camera?it is one that is quite capable, well designed, and offers a nice photographic experience?just that there are other options available that may make more sense when you weigh the cost and features.

More Digital Camera reviews:
??? Panasonic Lumix DMC-GF3
??? JVC GC-PX10
??? Polaroid Z340 Instant Digital Camera
??? Kodak EasyShare Touch M5370
??? Canon PowerShot S100
?? more

Source: http://feedproxy.google.com/~r/ziffdavis/pcmag/~3/6pMWoXO0T_k/0,2817,2396596,00.asp

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Thirst for gossip drives Love, Lohan story

By Courtney Hazlett

If ever there was a place where even the most implausible stories can come true, it's Hollywood. Which is why the notion that Courtney Love might be acting as Lindsay Lohan's sober coach gained some traction. Go ahead, take a moment, and read that sentence again. Radar Online spread the rumor, purporting that Love took on the job because "nobody else will."

EPA, Getty Images

Courtney Love, left, and Lindsay Lohan.

Before we get too much further, know this: the Lohan camp is saying it's not true. "Courtney Love is not, nor has she ever been, Lindsay's sober coach," Lohan's rep Steve Honig told E! exclusively. "Lindsay is, however, grateful for her friendship," Honig added.

On the one hand, it's a little understandable that one could buy into the idea that Love and Lohan might have formed some sort of sobriety alliance (reference that first sentence again). It's so bizarre you almost want it to be true, and the denial was lost in the noise of the reaction, some of it very apt, like this tweet?from "Late Show with David Letterman" head writer Eric Stangel: "Courtney Love says she is Lindsay Lohan's sober coach. Doesn't Lindsay Lohan have enough to deal with?"?

On the other hand, COME ON. Stangel is right.?Lohan has enough to deal with. And by "enough" we mean finishing up that community service at the morgue, and getting her career back on track. And as fun as some things would be to believe, as much as we want Christmas to come early, it's usually best that it doesn't when it comes to Hollywood gossip.

Source: http://scoop.today.msnbc.msn.com/_news/2011/12/01/9145421-sober-up-and-forget-about-courtney-love-coaching-lindsay-lohan

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Saturday, December 3, 2011

Court: Some bone marrow donors can be paid (Providence Journal)

Share With Friends: Share on FacebookTweet ThisPost to Google-BuzzSend on GmailPost to Linked-InSubscribe to This Feed | Rss To Twitter | Politics - Top Stories Stories, News Feeds and News via Feedzilla.

Source: http://news.feedzilla.com/en_us/stories/politics/top-stories/168690912?client_source=feed&format=rss

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MU researchers recommend exercise for breast cancer survivors, lymphedema patients

MU researchers recommend exercise for breast cancer survivors, lymphedema patients [ Back to EurekAlert! ] Public release date: 1-Dec-2011
[ | E-mail | Share Share ]

Contact: Samantha Craven
slctw4@mail.missouri.edu
573-795-1198
University of Missouri-Columbia

COLUMBIA, Mo. Lymphedema, a chronic swelling condition common in breast cancer survivors, affects three million people in the U.S. In the past, most people believed that exercise might induce or worsen lymphedema. After reviewing the literature, University of Missouri researchers say the benefits of exercise outweigh the risks for breast cancer survivors and patients with lymphedema.

Jane Armer, professor in the Sinclair School of Nursing, says patients at risk for lymphedema can exercise if they closely monitor their activities.

"Exercise can be beneficial and not harmful for breast cancer survivors," Armer said. "Each individual should balance the pros and cons of the activity she chooses, but keep in mind that being sedentary has risks and being active is beneficial in many ways, including possibly reducing the risk of cancer recurrence."

Lymphedema can occur any time after cancer treatment and is usually caused by the removal or radiation of lymph nodes as part of the treatment process. Armer found that patients who exercise had no greater risk for developing lymphedema than those who do not exercise. In addition, patients with lymphedema did not worsen their condition by exercising. She says future research is needed to determine whether exercise prevents the condition.

"Breast cancer survivors do not need to restrict their activity as we once thought," Armer said. "If patients want to be active, they should carefully condition their bodies by increasing repetitions of resistance exercises under proper supervision."

In another new literature review, Armer and her colleagues examined published literature pertaining to the surgical treatment of lymphedema. They found that in most studies surgery did not eliminate the need for traditional compression garments in patients with lymphedema.

"Many people think surgery will correct the underlying lymphatic problem, but that is not correct," Armer said. "There are several surgical techniques that may reduce the swelling associated with lymphedema. In most cases, it is recommended that patients undergo traditional therapy using specialized massage and compression garments and bandages to reduce fluid and swelling before considering surgery."

The literature reviews were the first two in a series of thirteen reviews to be published in conjunction with the American Lymphedema Framework Project (ALFP). Established in 2008, the ALFP aims to increase awareness of lymphedema, improve patient care and enhance training for professionals caring for persons at risk or with cancer-related lymphedema. The ALFP has two main goals: maintain up-to-date best practices supported with evidence-based lymphedema treatment guidelines for health practitioners, and create a minimum data set of all available lymphedema research and clinical data.

The first article, "Exercise in patients with lymphedema: A systematic review of the contemporary literature," was published in the Journal of Cancer Survivorship. The second, "The surgical treatment of lymphedema: A systematic review of the contemporary literature," was published in Annals of Surgical Oncology.

###


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AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


MU researchers recommend exercise for breast cancer survivors, lymphedema patients [ Back to EurekAlert! ] Public release date: 1-Dec-2011
[ | E-mail | Share Share ]

Contact: Samantha Craven
slctw4@mail.missouri.edu
573-795-1198
University of Missouri-Columbia

COLUMBIA, Mo. Lymphedema, a chronic swelling condition common in breast cancer survivors, affects three million people in the U.S. In the past, most people believed that exercise might induce or worsen lymphedema. After reviewing the literature, University of Missouri researchers say the benefits of exercise outweigh the risks for breast cancer survivors and patients with lymphedema.

Jane Armer, professor in the Sinclair School of Nursing, says patients at risk for lymphedema can exercise if they closely monitor their activities.

"Exercise can be beneficial and not harmful for breast cancer survivors," Armer said. "Each individual should balance the pros and cons of the activity she chooses, but keep in mind that being sedentary has risks and being active is beneficial in many ways, including possibly reducing the risk of cancer recurrence."

Lymphedema can occur any time after cancer treatment and is usually caused by the removal or radiation of lymph nodes as part of the treatment process. Armer found that patients who exercise had no greater risk for developing lymphedema than those who do not exercise. In addition, patients with lymphedema did not worsen their condition by exercising. She says future research is needed to determine whether exercise prevents the condition.

"Breast cancer survivors do not need to restrict their activity as we once thought," Armer said. "If patients want to be active, they should carefully condition their bodies by increasing repetitions of resistance exercises under proper supervision."

In another new literature review, Armer and her colleagues examined published literature pertaining to the surgical treatment of lymphedema. They found that in most studies surgery did not eliminate the need for traditional compression garments in patients with lymphedema.

"Many people think surgery will correct the underlying lymphatic problem, but that is not correct," Armer said. "There are several surgical techniques that may reduce the swelling associated with lymphedema. In most cases, it is recommended that patients undergo traditional therapy using specialized massage and compression garments and bandages to reduce fluid and swelling before considering surgery."

The literature reviews were the first two in a series of thirteen reviews to be published in conjunction with the American Lymphedema Framework Project (ALFP). Established in 2008, the ALFP aims to increase awareness of lymphedema, improve patient care and enhance training for professionals caring for persons at risk or with cancer-related lymphedema. The ALFP has two main goals: maintain up-to-date best practices supported with evidence-based lymphedema treatment guidelines for health practitioners, and create a minimum data set of all available lymphedema research and clinical data.

The first article, "Exercise in patients with lymphedema: A systematic review of the contemporary literature," was published in the Journal of Cancer Survivorship. The second, "The surgical treatment of lymphedema: A systematic review of the contemporary literature," was published in Annals of Surgical Oncology.

###


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?


AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


Source: http://www.eurekalert.org/pub_releases/2011-12/uom-mrr120111.php

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Friday, December 2, 2011

Eating fish reduces risk of Alzheimer's disease

Eating fish reduces risk of Alzheimer's disease [ Back to EurekAlert! ] Public release date: 30-Nov-2011
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Contact: Linda Brooks
lbrooks@rsna.org
630-590-7762
Radiological Society of North America

CHICAGO People who eat baked or broiled fish on a weekly basis may be improving their brain health and reducing their risk of developing mild cognitive impairment (MCI) and Alzheimer's disease, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).

"This is the first study to establish a direct relationship between fish consumption, brain structure and Alzheimer's risk," said Cyrus Raji, M.D., Ph.D., from the University of Pittsburgh Medical Center and the University of Pittsburgh School of Medicine. "The results showed that people who consumed baked or broiled fish at least one time per week had better preservation of gray matter volume on MRI in brain areas at risk for Alzheimer's disease."

Alzheimer's disease is an incurable, progressive brain disease that slowly destroys memory and cognitive skills. According to the National Institute on Aging, as many as 5.1 million Americans may have Alzheimer's disease. In MCI, memory loss is present but to a lesser extent than in Alzheimer's disease. People with MCI often go on to develop Alzheimer's disease.

For the study, 260 cognitively normal individuals were selected from the Cardiovascular Health Study. Information on fish consumption was gathered using the National Cancer Institute Food Frequency Questionnaire. There were 163 patients who consumed fish on a weekly basis, and the majority ate fish one to four times per week. Each patient underwent 3-D volumetric MRI of the brain. Voxel-based morphometry, a brain mapping technique that measures gray matter volume, was used to model the relationship between weekly fish consumption at baseline and brain structure 10 years later. The data were then analyzed to determine if gray matter volume preservation associated with fish consumption reduced risk for Alzheimer's disease. The study controlled for age, gender, education, race, obesity, physical activity, and the presence or absence of apolipoprotein E4 (ApoE4), a gene that increases the risk of developing Alzheimer's.

Gray matter volume is crucial to brain health. When it remains higher, brain health is being maintained. Decreases in gray matter volume indicate that brain cells are shrinking.

The findings showed that consumption of baked or broiled fish on a weekly basis was positively associated with gray matter volumes in several areas of the brain. Greater hippocampal, posterior cingulate and orbital frontal cortex volumes in relation to fish consumption reduced the risk for five-year decline to MCI or Alzheimer's by almost five-fold.

"Consuming baked or broiled fish promotes stronger neurons in the brain's gray matter by making them larger and healthier," Dr. Raji said. "This simple lifestyle choice increases the brain's resistance to Alzheimer's disease and lowers risk for the disorder."

The results also demonstrated increased levels of cognition in people who ate baked or broiled fish.

"Working memory, which allows people to focus on tasks and commit information to short-term memory, is one of the most important cognitive domains," Dr. Raji said. "Working memory is destroyed by Alzheimer's disease. We found higher levels of working memory in people who ate baked or broiled fish on a weekly basis, even when accounting for other factors, such as education, age, gender and physical activity."

Eating fried fish, on the other hand, was not shown to increase brain volume or protect against cognitive decline.

###

Coauthors are Kirk Erickson, Ph.D., Oscar Lopez, M.D., Lewis Kuller, M.D., H. Michael Gach, Ph.D., Paul Thompson, Ph.D., Mario Riverol, M.D., Ph.D., and James Becker, Ph.D.

Note: Copies of RSNA 2011 news releases and electronic images will be available online at RSNA.org/press11 beginning Monday, Nov. 28.

RSNA is an association of more than 48,000 radiologists, radiation oncologists, medical physicists and related scientists committed to excellence in patient care through education and research. The Society is based in Oak Brook, Ill. (RSNA.org)

Editor's note: The data in these releases may differ from those in the published abstract and those actually presented at the meeting, as researchers continue to update their data right up until the meeting. To ensure you are using the most up-to-date information, please call the RSNA Newsroom at 1-312-949-3233.

For patient-friendly information on MRI, visit RadiologyInfo.org.


[ Back to EurekAlert! ] [ | E-mail | Share Share ]

?


AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


Eating fish reduces risk of Alzheimer's disease [ Back to EurekAlert! ] Public release date: 30-Nov-2011
[ | E-mail | Share Share ]

Contact: Linda Brooks
lbrooks@rsna.org
630-590-7762
Radiological Society of North America

CHICAGO People who eat baked or broiled fish on a weekly basis may be improving their brain health and reducing their risk of developing mild cognitive impairment (MCI) and Alzheimer's disease, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).

"This is the first study to establish a direct relationship between fish consumption, brain structure and Alzheimer's risk," said Cyrus Raji, M.D., Ph.D., from the University of Pittsburgh Medical Center and the University of Pittsburgh School of Medicine. "The results showed that people who consumed baked or broiled fish at least one time per week had better preservation of gray matter volume on MRI in brain areas at risk for Alzheimer's disease."

Alzheimer's disease is an incurable, progressive brain disease that slowly destroys memory and cognitive skills. According to the National Institute on Aging, as many as 5.1 million Americans may have Alzheimer's disease. In MCI, memory loss is present but to a lesser extent than in Alzheimer's disease. People with MCI often go on to develop Alzheimer's disease.

For the study, 260 cognitively normal individuals were selected from the Cardiovascular Health Study. Information on fish consumption was gathered using the National Cancer Institute Food Frequency Questionnaire. There were 163 patients who consumed fish on a weekly basis, and the majority ate fish one to four times per week. Each patient underwent 3-D volumetric MRI of the brain. Voxel-based morphometry, a brain mapping technique that measures gray matter volume, was used to model the relationship between weekly fish consumption at baseline and brain structure 10 years later. The data were then analyzed to determine if gray matter volume preservation associated with fish consumption reduced risk for Alzheimer's disease. The study controlled for age, gender, education, race, obesity, physical activity, and the presence or absence of apolipoprotein E4 (ApoE4), a gene that increases the risk of developing Alzheimer's.

Gray matter volume is crucial to brain health. When it remains higher, brain health is being maintained. Decreases in gray matter volume indicate that brain cells are shrinking.

The findings showed that consumption of baked or broiled fish on a weekly basis was positively associated with gray matter volumes in several areas of the brain. Greater hippocampal, posterior cingulate and orbital frontal cortex volumes in relation to fish consumption reduced the risk for five-year decline to MCI or Alzheimer's by almost five-fold.

"Consuming baked or broiled fish promotes stronger neurons in the brain's gray matter by making them larger and healthier," Dr. Raji said. "This simple lifestyle choice increases the brain's resistance to Alzheimer's disease and lowers risk for the disorder."

The results also demonstrated increased levels of cognition in people who ate baked or broiled fish.

"Working memory, which allows people to focus on tasks and commit information to short-term memory, is one of the most important cognitive domains," Dr. Raji said. "Working memory is destroyed by Alzheimer's disease. We found higher levels of working memory in people who ate baked or broiled fish on a weekly basis, even when accounting for other factors, such as education, age, gender and physical activity."

Eating fried fish, on the other hand, was not shown to increase brain volume or protect against cognitive decline.

###

Coauthors are Kirk Erickson, Ph.D., Oscar Lopez, M.D., Lewis Kuller, M.D., H. Michael Gach, Ph.D., Paul Thompson, Ph.D., Mario Riverol, M.D., Ph.D., and James Becker, Ph.D.

Note: Copies of RSNA 2011 news releases and electronic images will be available online at RSNA.org/press11 beginning Monday, Nov. 28.

RSNA is an association of more than 48,000 radiologists, radiation oncologists, medical physicists and related scientists committed to excellence in patient care through education and research. The Society is based in Oak Brook, Ill. (RSNA.org)

Editor's note: The data in these releases may differ from those in the published abstract and those actually presented at the meeting, as researchers continue to update their data right up until the meeting. To ensure you are using the most up-to-date information, please call the RSNA Newsroom at 1-312-949-3233.

For patient-friendly information on MRI, visit RadiologyInfo.org.


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Source: http://www.eurekalert.org/pub_releases/2011-11/rson-efr112111.php

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