ScienceDaily Health Headlines -- for Saturday, November 19, 2011

ScienceDaily Health Headlines

for Saturday, November 19, 2011

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Unraveling how a mutation can lead to psychiatric illness (November 18, 2011) -- A new study demonstrates how DISC1 variants impair signaling pathways and disrupt brain development. ... > full story

'Silent' stroke risk factors for children with sickle cell anemia (November 18, 2011) -- Factors such as low hemoglobin levels, increased systolic blood pressure, and male gender are linked to a higher risk of silent cerebral infarcts, or silent strokes, in children with sickle cell anemia, according to results from a large, first-of-its-kind study. ... > full story

Nanoparticles used as additives in diesel fuels can travel from lungs to liver (November 18, 2011) -- Recent studies have demonstrated that nanoparticles of cerium oxide -- common diesel fuel additives used to increase the fuel efficiency of automobile engines -- can travel from the lungs to the liver and that this process is associated with liver damage. ... > full story

Job market for college grads braced for slow but steady growth (November 18, 2011) -- After last year's rollercoaster ride, the job market for college graduates has settled down and appears braced for slow but steady growth, according to a new study. ... > full story

New 'smart' material could help tap medical potential of tissue-penetrating light (November 18, 2011) -- Scientists are reporting development and successful initial testing of the first practical "smart" material that may supply the missing link in efforts to use in medicine a form of light that can penetrate four inches into the human body. The new polymer or plastic-like material has potential for use in diagnosing diseases and engineer new human tissues in the lab. ... > full story

How Legionnaires' bacteria proliferate, cause disease (November 18, 2011) -- Scientist have determined for the first time how the bacterium that causes Legionnaires' disease manipulates our cells to generate the amino acids it needs to grow and cause infection and inflammation in the lungs. ... > full story

Panel of melanoma mutations opens door to new treatment possibilities (November 18, 2011) -- Researchers have developed a new genetic screening tool that will aid in the investigation of possible treatments for patients with melanoma and the unique genetic mutations that may accompany the disease, according to new research. ... > full story

Rehabilitating vacant lots improves urban health and safety (November 18, 2011) -- Greening of vacant urban land may affect the health and safety of nearby residents. In a decade-long comparison of vacant lots and improved vacant lots, greening was linked to significant reductions in gun assaults across most of Philadelphia and significant reductions in vandalism in one section of the city. Vacant lot greening was also associated with residents in certain sections of the city reporting significantly less stress and more exercise. ... > full story

Treatment for juvenile offenders shows shows positive results 22 years later (November 18, 2011) -- A researcher, developed a treatment for juvenile offenders that has become one of the most widely used evidence-based treatments in the world. Now, he has found that the treatment continues to have positive effects on former participants more than 20 years after treatment. ... > full story

How heart attack can lead to heart rupture (November 18, 2011) -- A new study pinpoints a single protein as the key player in the biochemical cascade that leads to cardiac rupture. The findings suggest that blocking the action of this protein, known as CaM kinase, may help prevent cardiac rupture and reduce the risk of death. ... > full story

Heart disease treatment: A new stent design may put patients at risk (November 18, 2011) -- Some stents that keep blood vessels open to treat heart disease are poorly designed to resist shortening, according to new research. ... > full story

Training in 'concrete thinking' can be self-help treatment for depression, study suggests (November 18, 2011) -- Research provides the first evidence that depression can be treated by only targeting an individual's style of thinking through repeated mental exercises in an approach called cognitive bias modification. The study suggests an innovative psychological treatment called 'concreteness training' can reduce depression in just two months and could work as a self-help therapy for depression in primary care. ... > full story