ScienceDaily Health Headlines
for Saturday, November 6, 2010
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Nanoshells provide golden 'touch' in killing breast tumors (November 5, 2010) -- Using tiny gold "nanoshells" to deliver just a little heat to breast tumor cells already treated with radiation boosts the killing potential of the treatment -- not just shrinking the tumor but killing the cancer stem cells, said researchers. ... > full story
Junior ice hockey study uncovers alarming concussion rates (November 5, 2010) -- A study on Canadian junior ice hockey uncovers alarming head injury/concussion data and trends that raise many questions about the safety and well being of teenagers and young adults who participate in this popular sport. ... > full story
Wayward DNA-repair enzyme implicated in Friedreich's ataxia (November 5, 2010) -- Scientists have taken a step closer to understanding the cause of Friedreich's ataxia, a debilitating neurological condition that affects tens of thousands of people worldwide, and so far has no cure. ... > full story
Parents' effort key to child's educational performance (November 5, 2010) -- Parents' efforts towards their child's educational achievement is crucial -- playing a more significant role than that of the school or child, new research shows. ... > full story
Hard work improves the taste of food, study shows (November 5, 2010) -- It's commonly accepted that we appreciate something more if we have to work hard to get it, and a new study bears that out, at least when it comes to food. The study seems to suggest that hard work can even enhance our appreciation for fare we might not favor, such as the low-fat, low calorie variety. ... > full story
Extreme form of pregnancy-related morning sickness could be genetic (November 5, 2010) -- Research that traced both the maternal and paternal family histories of women with hyperemesis gravidarum -- an extreme form of pregnancy-related morning sickness that hospitalizes 60,000 pregnant women each year -- suggests not only that the condition could be genetic but that women with sisters who had HG could have a more than 17-fold risk of experiencing the debilitating condition too. ... > full story
Small protein changes may make big difference in natural HIV control (November 5, 2010) -- Tiny variants in a protein that alerts the immune system to the presence of infection may underlie the rare ability of some individuals to control HIV infection without the need for medications. An international research team has found that differences in five amino acids in a protein called HLA-B are associated with whether or not HIV-infected individuals can control viral levels with their immune system only. ... > full story
Air pollution exposure increases risk of severe COPD (November 5, 2010) -- Long term exposure to low-level air pollution may increase the risk of severe chronic obstructive pulmonary disease, according to researcher s in Denmark. While acute exposure of several days to high level air pollution was known to be a risk factor for exacerbation in pre-existing COPD, until now there had been no studies linking long-term air pollution exposure to the development or progression of the disease. ... > full story
Headgear, mouth guards have little or no impact on reducing concussions in rugby players, study finds (November 5, 2010) -- Existing headgear and mouth guards have limited or no benefit in reducing concussions in rugby players, according to a Canadian neurosurgeon. ... > full story
Promising target for new pancreatic cancer treatments discovered (November 5, 2010) -- For almost three decades, scientists and physicians have known that a gene called the KRAS oncogene is mutated in virtually all pancreatic cancers, making it an important target for scientists looking for a way to stop the growth of pancreatic cancer tumors. Medical researchers have now narrowed the focus of this scientific quest to a protein called RGL2. ... > full story
Fly stem cells on diet: Scientists discovered how stem cells respond to nutrient availability (November 5, 2010) -- Researchers have revealed that stem cells can sense a decrease in available nutrients and respond by retaining only a small pool of active stem cells for tissue maintenance. When, or if, favorable conditions return, stem cell numbers multiply to accommodate increased demands on the tissue. ... > full story
CT screening of former, current smokers reduces lung cancer deaths, study finds (November 5, 2010) -- A large national US study finds that screening current or former heavy smokers with a CT scan can reduce deaths from lung cancers by 20 percent. One potential reason for the reduction is that the scan can pick up tumors at an early stage. ... > full story
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