ScienceDaily Health Headlines
for Tuesday, January 25, 2011
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Smoking may be associated with increased risk of breast cancer (January 25, 2011) -- Smoking before menopause, especially prior to giving birth, may be associated with a modest increase in the risk of developing breast cancer, according to a new study. ... > full story
Weight loss plus walking essential for older, obese adults (January 25, 2011) -- Walking more and losing weight can improve mobility as much as 20 percent in older, obese adults with poor cardiovascular health, according to a new study. ... > full story
Lowering blood pressure in middle-aged women reduces heart disease risk (January 25, 2011) -- Middle-aged women worldwide lowering their blood pressure could prevent a substantial amount of cardiovascular disease, according to new research. High systolic blood pressure is the most powerful predictor of heart disease in these women, followed by high cholesterol and smoking. Diagnosing and treating high blood pressure in midlife could improve their health and quality of life. ... > full story
Medication dosing errors for infants and children (January 25, 2011) -- Preparing small doses of medication from syringes may be inaccurate and can result in crucial dosing errors for infants and children, according to a new study. ... > full story
Egg donation: The way to happy motherhood, with risks and side effects (January 25, 2011) -- Women who have become pregnant after egg donation should be categorized as high-risk patients. Why that is the case, and which consequences egg donation may have for women is the subject of a new review article. ... > full story
Deep brain stimulation may help hard-to-control high blood pressure (January 24, 2011) -- Researchers were surprised to discover what may be a potential new treatment for difficult-to-control high blood pressure, according to a newly reported case. ... > full story
Cost to treat heart disease in United States will triple by 2030 (January 24, 2011) -- The cost of treating heart disease in the United States will triple by 2030, according to new projections. The 5 billion increase is due in part to an aging population. The skyrocketing financial burden makes it urgent to implement effective strategies to prevent heart disease and stroke. ... > full story
Unrealistic optimism appears common in early cancer trials and may compromise informed consent (January 24, 2011) -- Can optimism be ethically problematic? Yes, according to a new study, which found unrealistic optimism prevalent among participants in early-phase cancer trials and suggested that it may compromise informed consent. ... > full story
Gene mutated in one in three patients with common form of renal cancer (January 24, 2011) -- Scientists have identified a gene that is mutated in one in three patients with the most common form of renal cancer. The gene -- called PBRM1 -- was found to be mutated in 88 cases out of 257 clear cell renal cell carcinomas (ccRCC) analysed, making it the most prevalent to be identified in renal cancer in 20 years. ... > full story
Breakthrough in understanding hereditary emphysema (January 24, 2011) -- Researchers in Ireland have made a breakthrough in understanding the mechanisms behind the most severe form of hereditary emphysema and how protein treatments can improve the condition. The findings of this study may also lead to new treatments for patients with smoker’s emphysema. ... > full story
How does anesthesia disturb self-perception? (January 24, 2011) -- Scientists were interested in studying the illusions described by many patients under regional anesthetic. In their work, the researchers demonstrated that anesthetizing an arm affects brain activity and rapidly impairs body perception. ... > full story
Anti-estrogen medication reduces risk of dying from lung cancer, study finds (January 24, 2011) -- A new study has found that tamoxifen, an anti-estrogen breast cancer medication, may reduce an individual's risk of death from lung cancer. The study supports the hypothesis that there is a hormonal influence on lung cancer and that estrogen levels play a role in lung cancer patients' prognosis. ... > full story
Study predicts risk of memory loss in healthy, older adults (January 24, 2011) -- The combined results of a genetic blood test and a five-minute functional MRI done by researchers successfully classified more than three-quarters of healthy older adults, many of whom were destined to develop cognitive decline within 18 months of testing. ... > full story
Better learning through handwriting (January 24, 2011) -- Writing by hand strengthens the learning process. When typing on a keyboard, this process may be impaired. Neurophysiologists have examined research which goes a long way in confirming the significance of these differences. When writing by hand, our brain receives feedback from our motor actions, together with the sensation of touching a pencil and paper. These kinds of feedback is significantly different from those we receive when touching and typing on a keyboard. ... > full story
Unexpected find opens up new front in effort to stop HIV (January 24, 2011) -- HIV adapts in a surprising way to survive and thrive in its hiding spot within the human immune system, scientists have learned. The the finding helps explain why HIV remains such a formidable foe after three decades of research, and it offers scientists a new, unexpected way to try to stop the virus. ... > full story
NFL linemen recover from back surgery, and so can you (January 24, 2011) -- If NFL linemen can recover from back surgery and return to their spine-bruising careers, so can you get back into your "game." A new study that found 80 percent of NFL lineman -- whose spines are especially vulnerable to degeneration -- were able to return to play many more games after herniated disc surgery. The study is encouraging to average people who are often fearful of becoming physically active after the surgery. ... > full story
Dangerous environments 'make parents more caring,' researchers find (January 24, 2011) -- Changes in the environment that put the lives of adults at risk drive parents to invest more in caring for their offspring, scientists have found. ... > full story
Culprit found for increased stroke injury with diabetes (January 24, 2011) -- Strokes that involve intracerebral hemorrhage (bleeding in the brain) are especially deadly, and there are no effective treatments to control such bleeding. Moreover, diabetes and hyperglycemia (high blood glucose levels) are associated with increases in bleeding during hemorrhagic stroke and worse clinical outcomes. But researchers now have identified one key player that contributes to the increased bleeding. ... > full story
Stroke rate rises for patients with HIV infection (January 24, 2011) -- While the overall hospitalization rate for stroke has declined in recent years, the numbers have jumped dramatically for patients infected with human immunodeficiency virus, suggesting they may be up to three times more likely to suffer a stroke than people uninfected by the virus that causes AIDS. ... > full story
Awake despite anesthesia (January 24, 2011) -- Out of every 1000 patients, two at most wake up during their operation. Unintended awareness in the patient is thus classified as an occasional complication of anesthesia—but being aware of things happening during the operation, and being able to recall them later, can leave a patient with long-term psychological trauma. How to avoid such awareness events, and what treatment is available for a patient who does experience awareness, is the subject of a new report. ... > full story
CT scanning aids rapid diagnosis, treatment planning for abdominal pain (January 24, 2011) -- The use of CT scanning to evaluate abdominal pain in emergency departments can help physicians arrive at a diagnosis quickly and decisively. The new study also finds that information provided by CT scans changed treatment plans for almost half the patients studied and significantly reduced probable hospital admissions. ... > full story
Coronary imaging enhances ability to identify plaques likely to cause future heart disease (January 24, 2011) -- Results from the PROSPECT clinical trial shed new light on the types of vulnerable plaque that are most likely to cause sudden, unexpected adverse cardiac events, and on the ability to identify them through imaging techniques before they occur. ... > full story
Obesity linked to economic insecurity (January 24, 2011) -- A new study suggests that people living in countries with 'free market' regimes are more likely to become obese due to the stress of being exposed to economic insecurity. ... > full story
Fighting the fight for healthy teeth (January 24, 2011) -- It is known that teeth can protect themselves, to some extent, from attack by bacteria but that inflammation within a tooth can be damaging and, in extreme cases, lead to abscess or death of the tooth. New research shows that odontoblast cells are part of the immune system and fight to protect teeth from decay. ... > full story
Study of nutrition, Alzheimer's links hampered by research approach (January 24, 2011) -- Research is trying to determine whether Alzheimer's disease might be slowed or prevented with nutritional approaches, but a new study suggests those efforts could be improved by use of nutrient "biomarkers" to objectively assess the nutrient status of elderly people at risk for dementia. ... > full story
Beyond improving Parkinson's symptoms, does deep brain stimulation stall their progression? (January 23, 2011) -- Does DBS make a long-term difference in the motor symptoms of Parkinson's patients, even after the device has been turned off and medications discontinued? ... > full story
Gene mutation play a major role in one cause of kidney disease (January 23, 2011) -- Mutations in a gene called INF2 are by far the most common cause of a dominantly inherited condition that leads to kidney failure, according to a new study. The results may help with screening, prevention, and therapy. ... > full story
Kidney gene implicated in increased heart failure risk (January 23, 2011) -- Scientists have identified the first DNA sequence variant common in the population that is not only associated with an increased risk of heart failure, but appears to play a role in causing it. The variant, a change in a single letter of the DNA sequence, impairs channels that control kidney function. ... > full story
Why do some diabetics escape complications? (January 23, 2011) -- Much research has been carried out on why diabetics develop complications. Now researchers are asking the question the other way around. They want to know why some diabetic patients do not develop complications. What is it that protects them? The PROLONG study could provide the answer. ... > full story
Apologies aren't as good as people imagine they'll be (January 23, 2011) -- We all want an apology when someone does us wrong. But a new study finds that people aren't very good at predicting how much they'll value an apology. ... > full story
Genetic code for form of pancreatic cancer cracked (January 22, 2011) -- Scientists have deciphered the genetic code for a type of pancreatic cancer, called neuroendocrine or islet cell tumors. The work shows that patients whose tumors have certain coding "mistakes" live twice as long as those without them. ... > full story
Mammograms: Detecting more than breast cancer, may help assess heart risk in kidney disease patients (January 22, 2011) -- Routine mammograms performed for breast cancer screening could serve another purpose as well: detecting calcifications in the blood vessels of patients with advanced kidney disease, according to a new study. ... > full story
Alzheimer's, Parkinson's and diabetes mellitus: Unfolding amyloid secrets (January 22, 2011) -- Scientists have made a fundamental step in the search for therapies for amyloid-related diseases such as Alzheimer's, Parkinson's and diabetes mellitus. By pinpointing the reaction that kick-starts the formation of amyloid fibers, scientists can now seek to further understand how these fibrils develop and cause disease. ... > full story
Cell binding discovery brings hope to those with skin and heart problems (January 22, 2011) -- New research has revealed the mechanism that binds skin cells tightly together. The discovery may lead to new treatments for painful and debilitating skin diseases and also lethal heart defects. ... > full story
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