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Medical News Update from News-Medical.Net - 9th July 2007

Chemical in brain acts like a fuel gauge
//Medical Research News
The concept that a drop in blood sugar triggers a craving for food is best understood just before lunchtime. But exactly how the process unfolds has proven difficult to explain, even on a full stomach.
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Autophagy may accelerate decompensated heart failure
//Medical Research News
Autophagy, a normal process by which cells eat their own proteins to provide needed resources to the body in times of stress, may paradoxically cause harm to hearts already weakened by disease, researchers from UT Southwestern Medical Center have found.
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Simple bladder cancer test
//Medical Research News
University of Florida researchers have identified a set of proteins that appear to signal the presence of bladder cancer, a discovery they hope will lead to a simple, fast and noninvasive test that can detect the disease early.
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Researchers discover brain pathway of depression in rats
//Medical Research News
Scientists' hunt for the cause of depression has implicated so many suspects and found so many treatments with different mechanisms that the condition remains an enigma.
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New method to detect vCJD infection
//Medical Research News
Scientists have made significant advances towards the development of a technique that could be used to confirm whether someone is infected with variant CJD.
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Soil increases the oral transmissibility of deadly prions
//Medical Research News
The rogue proteins that cause chronic wasting disease (CWD) exhibit a dramatic increase in their infectious nature when bound to common soil particles, according to a new study.
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Why males show a higher rate of inflammation than females in the same diseases
//Medical Research News
Production of a protein that promotes inflammation appears to be linked to the higher incidence of liver cancer in men than in women, researchers at the University of California, San Diego (UCSD) School of Medicine have determined in mouse studies.
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Potential new treatment pathway for Parkinson's
//Medical Research News
In the vast majority of Parkinson's disease (PD) patients, the disorder arises not because of a genetic defect, but because some external insult triggers the death of dopamine-producing neurons.
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New insight into neural stem cells
//Medical Research News
Scientists have discovered that adult neural stem cells, which exist in the brain throughout life, are not a single, homogeneous group.
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New minimally invasive method of treating cancer
//Medical Research News
A team of biomedical engineers at Virginia Tech and the University of California at Berkeley has developed a new minimally invasive method of treating cancer, and they anticipate clinical trials on individuals with prostate cancer will begin soon.
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Paracetamol overdoses drop without package size legislation
//Medical Studies/Trials
The acetaminophen (paracetamol) overdose rate in Calgary, Canada dropped by over 40% in the decade to 2004, without a change to the smaller pack sizes that were credited with overdose reductions in the UK.
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Common genetic risk factor for multiple cancers identified
//Medical Studies/Trials
A study led by researchers at the Keck School of Medicine of the University of Southern California (USC) has found that one of seven genetic risk factors previously identified as increasing the probability of developing prostate cancer also increases the probability of developing colorectal cancer.
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Scots of South Asian descent have increased risk of heart attacks
//Medical Studies/Trials
Scots of South Asian descent are significantly more likely to suffer a heart attack than the rest of the Scottish population, according to a report published in the online open access journal BMC Public Health.
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Study targets pharmacists to help diabetes sufferers
//Medical Studies/Trials
A new Wesley Research Institute project aims to make it much easier for people to manager their Type 2 Diabetes by using community pharmacists.
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Waiting for joint replacement surgery
//Medical Studies/Trials
A team of Bristol University researchers are aiming to find out why some people waiting for a hip or knee replacement have to wait longer than others for surgery.
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Genetic risk factor for colorectal and prostate cancer
//Medical Studies/Trials
A study led by researchers at the Keck School of Medicine of the University of Southern California (USC) has found that one of seven genetic risk factors previously identified as increasing the probability of developing prostate cancer also increases the probability of developing colorectal cancer.
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Sex differences in the use of demand and withdraw behavior in marriage
//Medical Studies/Trials
Men may still have more power in the workplace, but apparently women really are "the boss" at home.
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Noninvasive ultrasound used to check health of carotid arteries
//Medical Studies/Trials
Specialists with the Strong Women's Heart Program are expanding a study that considers the effects of a statin drug on metabolic syndrome, a condition that increases women's risk for heart disease and stroke.
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Antidepressants lower the risk of suicide attempt in adults with depression
//Medical Studies/Trials
All age groups of depressed patients who received selective serotonin reuptake inhibitors -- the most commonly prescribed antidepressant medication -- showed a significantly lower risk of suicide attempt when compared to those who did not receive antidepressant treatment.
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Self-monitoring helps reduce high-risk behavior among HIV-positive people
//Medical Studies/Trials
There are many effective, albeit expensive, intervention programs aimed at encouraging HIV-positive people to practice less risky behavior.
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Young girls have eggs extracted before chemo to protect fertility
//Women's Health News
Israeli fertility experts have extracted and frozen eggs from girls as young as five about to undergo chemotherapy and frozen them so they can be used later to start a family.
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Breast enlargements in just over an hour!
//Women's Health News
Women in the UK could be getting breast enlargements in their lunch time as soon as 2008, reports Lisa Melton in Chemistry & Industry, the magazine of the Society of Chemical Industry.
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Bacteria from mouth found in the amniotic fluid of some pregnant women
//Women's Health News
A study appearing in the July issue of the Journal of Periodontology found bacteria commonly found in the mouth and associated with periodontal diseases in the amniotic fluid of some pregnant women.
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Mother donates eggs to infertile daughter
//Women's Health News
A Canadian mother has taken the unique step of donating her eggs to her daughter to ensure she can have a child.
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Complementary therapies in assisted reproduction may diminish the effectiveness of medical treatment for infertility in women
//Women's Health News
Many women use complementary or alternative therapies (CATs) to resolve fertility problems, even though there is little evidence that they are effective.
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A comparison of weight-control behaviors in African-American and Caucasian women
//Women's Health News
In the battle of the bulge, dieters often seek reinforcements - such as a doctor's prescription, counseling by a mental health professional, suggestions from a trainer or membership in a weight-loss support group.
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