VCU head coach Shaka Smart on UNC's injured guard-"Kendall Marshall showed more emotion than any of the Carolina players that were playing." Source: http://twitter.com/TurnerSportsPR/statuses/183377334408196096
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Public release date: 23-Mar-2012
Share ] Contact: Mary Rice
mary.rice@riceconseil.eu
ECCO-the European CanCer Organisation
Vienna, Austria: Women who are overweight or obese when they are diagnosed with breast cancer are at higher risk of cancer recurrence or related death than are leaner women, according to a new study to be presented to the 8th European Breast Cancer Conference (EBCC-8) today (Friday). This finding held true even though the study mandated that chemotherapy dosage be adjusted for body weight, and adds further to the evidence that lifestyle factors can influence cancer prognosis, a researcher will tell the conference.
Dr. Jennifer Ligibel, a medical oncologist at the Dana-Farber Cancer Institute, Boston, USA, and an Associate Professor at Harvard Medical School, and colleagues, studied data from 1909 patients who were enrolled into a study called CALGB 9741 between 1997 and 1999. The study was set up to investigate different dosing schedules for adjuvant chemotherapy in patients where cancer cells were found in the lymph nodes (node-positive cancer). The presence of such cells in the lymph nodes means that there is a higher chance of cancer returning after surgery.
After extracting height and weight data from the patient records, they went on to evaluate the relationship between body mass index (BMI) with relapse-free survival (RFS) and overall survival (OS). 1.2% of the patients were underweight, 32.6% normal weight, 32.9% overweight, and 33.3% obese. 49% of patients were menopausal, 65% had oestrogen-receptor positive cancers, where the presence of oestrogen encourages the tumour to grow, and 70% received the oestrogen-receptor blocking treatment, tamoxifen.
"Several other studies have shown that being overweight or obese at the time that a woman is diagnosed with breast cancer is linked to a higher risk of recurrence. However, questions have been raised in the past whether obese women were receiving relatively lower doses of chemotherapy due to their weight. Our study mandated that each patient received a chemotherapy dose adjusted to her weight, so these results suggest that treatment factors are not responsible for the differences in recurrence rates seen in heavier women," Dr. Ligibel will say. "We found that BMI was related to both RFS and OS; for example, the ten-year RFS of a patient who was overweight was 70%; compared with 65% for one who was obese."
Although the link between obesity and the development of breast cancer is well known, there has been less research to date looking at its effect on cancer recurrence and survival.
"When you consider that data from 2007-8 [1] show that 68% of US adults aged 20 years and over were overweight or obese, as compared to only 56% of the same group in 1998-1994, you can see the way the problem is growing. That is why we think it is a matter of urgency to find out as much about the relationship between obesity and cancer as we can," Dr. Ligibel will say.
The researchers intend to follow up their work by learning more about how weight-related factors could influence breast cancer outcomes. A number of studies currently underway are looking at how changing lifestyle behaviours, for example losing weight, exercising more, and eating a better diet, affects the hormones in women's bodies that have been linked with breast cancer. Ultimately, they say, they are interested in studying the impact of deliberate weight loss on the risk of recurrence in women with early breast cancer.
"Obesity is a modifiable factor, and although there is not yet enough evidence to say with certainty that losing weight or exercising more regularly will decrease the risk of breast cancer recurrence, there are consistent links between lifestyle factors such as diet, weight and physical activity patterns and breast cancer prognosis. If future studies show that making changes in lifestyle behaviours for women with early breast cancer will improve survival rates, then lifestyle interventions may one day become a standard part of breast cancer care," Dr. Ligibel will conclude.
Professor David Cameron, from the University of Edinburgh (Edinburgh, UK) and chair of EBCC-8 said: "Whilst these are important findings for women with breast cancer, we need to recognise that the reason overweight women have poorer outcomes is not clear. There are a lot of health reasons why overweight women should try and get back to a normal weight, but this is not always easy, and as the authors acknowledge, we don't yet know that losing weight after a breast cancer diagnosis will make a difference."
###
[1] Data from the US National Health and Nutrition Examination Survey (NHANES)
Abstract no: 413, Friday 10.30 hrs, Proffered Paper session "Patient Related Factors and Responsive Therapy", Hall F1
[ | E-mail | 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.
Public release date: 23-Mar-2012 Share ] Contact: Mary Rice
mary.rice@riceconseil.eu
ECCO-the European CanCer Organisation
Vienna, Austria: Women who are overweight or obese when they are diagnosed with breast cancer are at higher risk of cancer recurrence or related death than are leaner women, according to a new study to be presented to the 8th European Breast Cancer Conference (EBCC-8) today (Friday). This finding held true even though the study mandated that chemotherapy dosage be adjusted for body weight, and adds further to the evidence that lifestyle factors can influence cancer prognosis, a researcher will tell the conference.
Dr. Jennifer Ligibel, a medical oncologist at the Dana-Farber Cancer Institute, Boston, USA, and an Associate Professor at Harvard Medical School, and colleagues, studied data from 1909 patients who were enrolled into a study called CALGB 9741 between 1997 and 1999. The study was set up to investigate different dosing schedules for adjuvant chemotherapy in patients where cancer cells were found in the lymph nodes (node-positive cancer). The presence of such cells in the lymph nodes means that there is a higher chance of cancer returning after surgery.
After extracting height and weight data from the patient records, they went on to evaluate the relationship between body mass index (BMI) with relapse-free survival (RFS) and overall survival (OS). 1.2% of the patients were underweight, 32.6% normal weight, 32.9% overweight, and 33.3% obese. 49% of patients were menopausal, 65% had oestrogen-receptor positive cancers, where the presence of oestrogen encourages the tumour to grow, and 70% received the oestrogen-receptor blocking treatment, tamoxifen.
"Several other studies have shown that being overweight or obese at the time that a woman is diagnosed with breast cancer is linked to a higher risk of recurrence. However, questions have been raised in the past whether obese women were receiving relatively lower doses of chemotherapy due to their weight. Our study mandated that each patient received a chemotherapy dose adjusted to her weight, so these results suggest that treatment factors are not responsible for the differences in recurrence rates seen in heavier women," Dr. Ligibel will say. "We found that BMI was related to both RFS and OS; for example, the ten-year RFS of a patient who was overweight was 70%; compared with 65% for one who was obese."
Although the link between obesity and the development of breast cancer is well known, there has been less research to date looking at its effect on cancer recurrence and survival.
"When you consider that data from 2007-8 [1] show that 68% of US adults aged 20 years and over were overweight or obese, as compared to only 56% of the same group in 1998-1994, you can see the way the problem is growing. That is why we think it is a matter of urgency to find out as much about the relationship between obesity and cancer as we can," Dr. Ligibel will say.
The researchers intend to follow up their work by learning more about how weight-related factors could influence breast cancer outcomes. A number of studies currently underway are looking at how changing lifestyle behaviours, for example losing weight, exercising more, and eating a better diet, affects the hormones in women's bodies that have been linked with breast cancer. Ultimately, they say, they are interested in studying the impact of deliberate weight loss on the risk of recurrence in women with early breast cancer.
"Obesity is a modifiable factor, and although there is not yet enough evidence to say with certainty that losing weight or exercising more regularly will decrease the risk of breast cancer recurrence, there are consistent links between lifestyle factors such as diet, weight and physical activity patterns and breast cancer prognosis. If future studies show that making changes in lifestyle behaviours for women with early breast cancer will improve survival rates, then lifestyle interventions may one day become a standard part of breast cancer care," Dr. Ligibel will conclude.
Professor David Cameron, from the University of Edinburgh (Edinburgh, UK) and chair of EBCC-8 said: "Whilst these are important findings for women with breast cancer, we need to recognise that the reason overweight women have poorer outcomes is not clear. There are a lot of health reasons why overweight women should try and get back to a normal weight, but this is not always easy, and as the authors acknowledge, we don't yet know that losing weight after a breast cancer diagnosis will make a difference."
###
[1] Data from the US National Health and Nutrition Examination Survey (NHANES)
Abstract no: 413, Friday 10.30 hrs, Proffered Paper session "Patient Related Factors and Responsive Therapy", Hall F1
[ | E-mail | 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.
Source: http://www.eurekalert.org/pub_releases/2012-03/eeco-oa032212.php
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The Body Glove Flex Snap-On Case is available today for just $13.95, 53% off the normal price. Get yours while supplies last!
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Source: http://feedproxy.google.com/~r/androidcentral/~3/M9roNwR7yLA/story01.htm
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York: Obama headed for defeat in Keystone fight | Campaign 2012 | Washington Examiner campaign2012.washingtonexaminer.com/article/york-o? via @dcexaminer 
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Public release date: 22-Mar-2012 Share ] Contact: Leanne Yohemas
lmyohema@ucalgary.ca
403-540-6552
University of Calgary
One of the strange features of quantum information is that, unlike almost every other type of information, it cannot be perfectly copied. For example, it is impossible to take a single photon and make a number of photons that are in the exact same quantum state. This may seem minor, but it's not. If perfect copying was possible, it would, among other things, be possible to send signals faster than the speed of light. This is forbidden by Einstein's theory of relativity.
For years, scientists have been experimenting with the idea of approximate quantum copying. A recent paper published in Physical Review Letters (PRL), by Sadegh Raeisi, Dr. Wolfgang Tittel and Dr. Christoph Simon of the Institute for Quantum Information Science at the University of Calgary takes another step in that research.
They showed that it is possible to perfectly recover the original from the imperfect quantum copies. They also proposed a way that his could be done in practice.
"Copying classical information is very important in our daily lives," says paper co-author Simon. "Think of the prevalence of photocopiers, faxes, scanners. It was quite surprising for physicists when they realized that the same thing is not possible for quantum systems, at least not perfectly. It is then important to study what exactly is possible and what isn't."
The research can be used in a variety of ways. First, it shows clearly that quantum information is preserved when copied. Even though the copies may be imperfect, the original quantum state can be recovered. In practical terms, it might lead to a precision measurement technique based on quantum physics for samples that have very low contrast, such as living cells.
The Institute for Quantum Information Science is a multidisciplinary group of researchers from the areas of computer science, mathematics and physics.
"At the fundamental level our world is governed not by classical physics, but by quantum physics," says Simon. "We are trying to understand the consequences of that for fundamental concepts such as information and trying to use this understanding to develop new kinds of quantum technology."
###
[ | E-mail | 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.
Public release date: 22-Mar-2012 Share ] Contact: Leanne Yohemas
lmyohema@ucalgary.ca
403-540-6552
University of Calgary
One of the strange features of quantum information is that, unlike almost every other type of information, it cannot be perfectly copied. For example, it is impossible to take a single photon and make a number of photons that are in the exact same quantum state. This may seem minor, but it's not. If perfect copying was possible, it would, among other things, be possible to send signals faster than the speed of light. This is forbidden by Einstein's theory of relativity.
For years, scientists have been experimenting with the idea of approximate quantum copying. A recent paper published in Physical Review Letters (PRL), by Sadegh Raeisi, Dr. Wolfgang Tittel and Dr. Christoph Simon of the Institute for Quantum Information Science at the University of Calgary takes another step in that research.
They showed that it is possible to perfectly recover the original from the imperfect quantum copies. They also proposed a way that his could be done in practice.
"Copying classical information is very important in our daily lives," says paper co-author Simon. "Think of the prevalence of photocopiers, faxes, scanners. It was quite surprising for physicists when they realized that the same thing is not possible for quantum systems, at least not perfectly. It is then important to study what exactly is possible and what isn't."
The research can be used in a variety of ways. First, it shows clearly that quantum information is preserved when copied. Even though the copies may be imperfect, the original quantum state can be recovered. In practical terms, it might lead to a precision measurement technique based on quantum physics for samples that have very low contrast, such as living cells.
The Institute for Quantum Information Science is a multidisciplinary group of researchers from the areas of computer science, mathematics and physics.
"At the fundamental level our world is governed not by classical physics, but by quantum physics," says Simon. "We are trying to understand the consequences of that for fundamental concepts such as information and trying to use this understanding to develop new kinds of quantum technology."
###
[ | E-mail | 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.
Source: http://www.eurekalert.org/pub_releases/2012-03/uoc-qcd032212.php
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Posted on 22 March 2012 by aln
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Source: http://cool-new-phones.com/handle-finances-efficiently-with-car-finance-advice/
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