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Medical News Update from News-Medical.Net - 18th June 2007

Snake venom medication
//Medical Research News
A chemist at the Vienna University of Technology (TU Vienna) is looking for unusual structures in snake venom and plans to prove their medical effectiveness.
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Breakdown of myelin may be the cause of Huntington's disease
//Medical Research News
Last month, Dr. George Bartzokis, director of the UCLA Memory Disorders and Alzheimer's Disease Clinic, suggested in the journal Alzheimer's & Dementia that the breakdown of a type of myelin that develops late in life promotes the buildup of toxic amyloid plaques long associated with Alzheimer's disease.
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Link between restless legs syndrome and hypertension
//Medical Research News
An international team of researchers, led by Emory University clinician scientists, has found evidence that people suffering from moderate to severe cases of restless legs syndrome (RLS) are at significantly increased risk for developing hypertension.
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New cellular pathway that operates to restrict inflammation and immunity
//Medical Research News
Jonsson Cancer Center have discovered a novel anti-inflammatory cell signaling pathway that may serve as a vital Yin-Yang mechanism to maintain the delicate balance of immune response.
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Sensitivity to diverse range of chemotherapeutic drugs linked to common pathway
//Medical Research News
Using a functional genomic screen, scientists have defined elements that impact the responsiveness of cancer cells to drugs commonly used as anticancer therapeutics.
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Researchers shed light on shrinking of chromosomes
//Medical Research News
A human cell contains an enormous 1.8 metres of DNA partitioned into 46 chromosomes.
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The unexpected connection of two gene regulation mechanisms points to new ways for the fight against leukemia
//Medical Research News
When the activity of individual genes it is longer required, there are two main mechanisms responsible for the "switching off", mainly DNA methylation and the Polycomb protein complex. Sometimes, these mechanisms lose their efficiency and some of the genes that should be "switched off" remain active.
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Simple test predicts a person's risk for developing dementia within six years with 87 percent accuracy
//Medical Research News
The test, developed in the study by the researchers, is a 14-point index combining medical history, cognitive testing, and physical examination. It requires no special equipment and can be given in a clinical setting such as a doctor's office or at a patient's bedside.
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Sonographically-guided alcohol injections for Morton's neuroma highly successful
//Medical Research News
Sonographically-guided alcohol injections has a high success rate and is well tolerated by patients with Morton?s neuroma, a common cause of foot pain, according to a recent study conducted by researchers at the Royal National Orthopaedic Hospital and Kingston Hospital NHS Trust in Middlesex, United Kingdom.
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Urocanic acid linked to a deadly parasite of the developing world
//Medical Research News
Researchers at the University of Pennsylvania have found a link between some of the world's most common parasites that cause infection and disease throughout the developing world and their attraction to a chemical secreted from human and animal skin.
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Unexplained late-life weight loss may be early predictor of Alzheimer's disease
//Medical Studies/Trials
New findings show unexplained weight loss that precedes dementia by more than 10 years is associated with the severity of Alzheimer changes in the brain.
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Patient care improves when medical residents work fewer hours
//Medical Studies/Trials
When medical residents work shorter hours, fewer patients are transferred to intensive care and there are not as many interventions by pharmacists to avoid errors in medication, according to a Yale School of Medicine study in Annals of Internal Medicine.
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Tougher gun show controls in California slash sales of weapons linked to crime
//Medical Studies/Trials
California has succeeded in drastically reducing anonymous and undocumented gun sales and sales of military-style weapons by introducing tighter controls to gun shows reveals a study in the June issue of Injury Prevention.
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Affluent society faces greater risks for skin cancer
//Medical Studies/Trials
Skin cancer levels have shown a significant increase in Northern Ireland since the early 1990s and are more likely to affect men, older people and those living in more affluent areas, according to a study just published in the June issue of British Journal of Dermatology.
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U-M Health and Retirement Study scientists practice what their research shows most Americans want
//Medical Studies/Trials
When Bob Willis thought about retiring, he knew just how he wanted to do it. Slowly. Or maybe never.
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Newer breast cancer drug may protect heart
//Medical Studies/Trials
By uncovering how one breast cancer drug protects the heart and another does not, Duke University Medical Center researchers believe they may have opened up a new way to screen drugs for possible heart-related side effects and to develop new drugs.
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Folic acid supplements do not reduce risk of precancerous colon tumors
//Medical Studies/Trials
Taking folic acid supplements does not reduce the risk of developing precancerous tumors in the colon and may even increase the risk, a new study has found.
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Study shows pre-op red blood cell levels affect post-op outcomes
//Medical Studies/Trials
Men over 65 with even slightly abnormal red blood cell counts either too low or too high are at greater risk of post-operative death or car-diac events following a major non-cardiac surgery, according to a new study by researchers at the Providence Veterans Affairs Medical Center and The Warren Alpert Medical School of Brown University.
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New genetic cause for Joubert syndrome
//Medical Studies/Trials
An international study by researchers at Seattle Children?s Hospital Research Institute, the University of Washington School of Medicine, and Radboud University in Nijmegen, Netherlands has identified a new genetic cause for Joubert syndrome (JS).
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Single mothers and fathers have poorer health
//Medical Studies/Trials
Marcus Westin's study also shows that the social capital that parents have affects both their own and their children's health, and that society should therefore make it easier for single parents to take part in social activities.
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Periodontal diseases are a threat to women of all ages
//Women's Health News
Two new studies in the June issue of the Journal of Periodontology (JOP) suggest that periodontal diseases are a threat to women of all ages due to hormonal fluctuations that occur at various stages of their lives.
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Doctors warn pregnant women to stay out of the sun
//Women's Health News
The Royal College of Obstetricians and Gynaecologists (RCOG) in Britain have issued a warning to pregnant women.
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Diabetes easily identified in pregnant women with simple blood test
//Women's Health News
More than a third of women who suffer from diabetes during pregnancy develop type 2 diabetes within five years and those most at risk can be predicted from their blood glucose levels at diagnosis, according to a study published in the June issue of the Postgraduate Medical Journal .
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Facts about heart disease for women
//Women's Health News
Many women don't worry about heart disease, or if they do, they are concerned it's something the men in their lives might develop.
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Diets rich in fruits and vegetables best for breast cancer survival
//Women's Health News
A new study in the "Journal of Clinical Oncology" reinforces existing evidence showing that women with breast cancer can greatly reduce their risk of recurrence by eating a healthy plant-based diet rich in fruits and vegetables and making other healthy lifestyle choices, according to nutrition experts with The Cancer Project.
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Obese women can lose weight and it won't hurt the baby
//Women's Health News
Most women who are obese can safely exercise and diet to lose weight during pregnancy, according to a small pilot study conducted by Saint Louis University researchers.
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How exercise helps people with cancer
//Women's Health News
A cancer diagnosis doesn't dictate the end of exercise and activity.
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Impact of diet or physical activity on breast cancer survival
//Women's Health News
Breast cancer survivors who eat a healthy diet and exercise moderately can reduce their risk of dying from breast cancer by half, regardless of their weight, suggests a new longitudinal study from the Moores Cancer Center at the University of California, San Diego (UCSD).
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Women well-informed about breast cancer although lack knowledge about current treatments
//Women's Health News
According to a new GfK Roper Public Affairs survey sponsored by CancerCare, a national nonprofit cancer support organization, while the majority (76 percent) of women surveyed said they know at least a fair amount about breast cancer, many remain unaware of the important recent progress made in treatment.
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Childbirth-related hospitalizations among adolescent girls
//Women's Health News
The rate of teenage and younger girls giving birth in U.S. hospitals dropped by a quarter between 1997 and 2004 - from 55 to 41 admissions per 100,000 girls under age 18 - according to the latest News and Numbers from the Agency for Healthcare Research and Quality.
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