Everything You Need to Know About Health: ScienceDaily Health Headlines -- for Sunday, December 7, 2008

ScienceDaily Health Headlines

for Sunday, December 7, 2008

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Inner Workings Of The Immune System Filmed (December 6, 2008) -- Forget what's number one at the box office this week. The most exciting new film features the intricate workings of the body, filmed by scientists using ground-breaking technology. ... > full story

New Mouse Model Of Prion Disease: Mutant Proteins Result In Infectious Prion Disease In Mice (December 6, 2008) -- Scientists have created an infectious prion disease in a mouse model, in a step that may help unravel the mystery of this progressive disease that affects the nervous system in humans and animals. ... > full story

'Zinc Zipper' Plays Key Role In Hospital-acquired Infections (December 6, 2008) -- Scientists are exploring a "zinc zipper" that holds bacterial cells together and plays a key role in hospital-acquired infections. ... > full story

Scientists Prove Endothelial Cells Give Rise To Blood Stem Cells (December 6, 2008) -- Stem cell researchers have proven definitively that blood stem cells are made during mid-gestational embryonic development by endothelial cells, the cells that line the inside of blood vessels. ... > full story

Past Religious Diversity And Intolerance Have Profound Impact On Genetics Of Iberian People (December 6, 2008) -- New research suggests that relatively recent events had a substantial impact on patterns of genetic diversity in the southwest region of Europe. The study shows that geographical patterns of ancestry appear to have been influenced by religious conversions of both Jews and Muslims in the Iberian Peninsula. ... > full story

Poor Children's Brain Activity Resembles That Of Stroke Victims, EEG Shows (December 6, 2008) -- Prefrontal cortex activity in children from low socioeconomic levels is lower than in similar children from well-off families. The brain differences, documented through EEGs, are dramatic: the prefrontal cortexes of poor kids 9 and 10 years of age react to novel stimuli in the same way as the brain of a stroke victim. The researchers believe this is fixable, however. ... > full story

Secondhand Smoke Raises Odds Of Fertility Problems In Women (December 6, 2008) -- If you need another reason to quit smoking, consider that it may diminish your chances of being a parent or grandparent. Scientists have found that women exposed to second hand smoke, either as adults or children, were significantly more likely to face fertility problems and suffer miscarriages. ... > full story

Genetic Ancestry Of African-Americans Reveals New Insights About Gene Expression (December 6, 2008) -- The amount of proteins produced in cells -- a fundamental determinant of biological outcomes collectively known as gene expression -- varies in African-American individuals depending on their proportion of African or European genetic ancestry. ... > full story

Vitreous Humor In The Eye Helps To Establish Time Of Death (December 6, 2008) -- Scientists have proposed a new method to estimate the approximate time of death. This is based on the analysis of several substances from the vitreous humor of the eye of cadavers, according to an article published in the journal Statistics in Medicine. Using this system, scientists have developed a piece of software that makes it possible to establish precisely the post mortem interval (PMI), information that will make the work of the police and the courts of justice easier. ... > full story

Exploring Gene Therapy To Fight AIDS (December 6, 2008) -- The apparent success of a case in which German doctors cured a man of AIDS using a bone marrow transplant comes as no surprise to a UC Davis stem cell researcher. He has been working for more than 10 years on a similar cure for AIDS based on replacing the devastated immune system of an HIV-infected patient with stem cells that have been engineered to resist human immunodeficiency syndrome. ... > full story

Fractional Dose Of Scarce Meningitis Vaccine May Be Effective In Outbreak Control (December 6, 2008) -- A partial dose of a commonly used vaccine against meningitis may be as effective as a full dose, according to new research. Fractional dosing would enable large-scale vaccination campaigns during epidemics, especially at a time of global vaccine shortages. ... > full story

Human Approach To Computer Processing (December 6, 2008) -- A more human approach to processing raw data could change the way that computers deal with information, according to academics. ... > full story

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