Sabtu, 29 Januari 2011

ScienceDaily Health Headlines

for Saturday, January 29, 2011

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Infants ascribe social dominance to larger individuals (January 28, 2011) -- Psychologists have found that infants less than one year old understand social dominance and use relative size to predict who will prevail when two individuals' goals conflict. The lead author says the work suggests we may be born with -- or develop at a very early age -- some understanding of social dominance and how it relates to relative size, a correlation ubiquitous across human cultures and the animal kingdom. ... > full story

Novel surgery removes rare tumor, rebuilds trachea (January 28, 2011) -- Using a novel surgical approach, it's possible to rebuild the trachea and preserve a patient's voice after removing an invasive throat tumor, according to a new article. This case study is the first of its kind to not only document a successful technique to create a fully functional trachea, or windpipe, but also report a rare type of malignant tumor in an adult's trachea. ... > full story

Smoking widespread among youth with diabetes, raising heart disease risk (January 28, 2011) -- A study found cigarette smoking is widespread among children and young adults with diabetes yet few health care providers are counseling children and young adults with diabetes to not smoke or stop smoking. Children and young adults with diabetes are already at high risk for heart disease before they take up smoking but few studies have examined the association between cigarette smoking and heart disease risk factors in youth with diabetes. ... > full story

The Oscar curse? Oscar win for best actress increases the risk of divorce, study suggests (January 28, 2011) -- Will Academy Award nominees Nicole Kidman and Annette Bening be at higher risk for a divorce if they win the Oscar for best actress next month? A new study finds that Oscar winners in the Best Actress category are at a higher risk of divorce than nominees who do not win. By contrast, Best Actor winners do not experience an increase in the risk of divorce after an Oscar. ... > full story

Exposure to worm infection in the womb may protect against eczema, study suggests (January 28, 2011) -- Exposure to worm infections in the womb may protect a newborn infant from developing eczema, a new study suggests. A large trial in Uganda showed that treating a pregnant woman for worm infections increased her child's chances of developing the allergic skin disease. This research supports the so-called 'hygiene hypothesis', which proposes that exposure to infections in early childhood can modify the immune system and protect the child from allergies later in life. ... > full story

Understanding the human neurosystem by researching locust brains (January 28, 2011) -- Scientists have successfully cultured brain cells taken from the desert locust to delve deeper into the workings of the mammalian neurosystem. Easier to work with than human neurons, the use of these insect neurons allow the team to observe the neurons form a network, providing enormous benefits to researchers. The cells are basic enough to be applicable to any system, including the human neurosystem, researchers say. ... > full story

New therapies and gene target advance the treatment and understanding of hard-to-treat leukemias (January 28, 2011) -- Over the past decade, significant advances have been made in the treatment of leukemia through the ongoing development of gene-based targeted therapies. New research provides greater understanding of the optimal use of several BCR-ABL inhibitors for the treatment of acute lymphoblastic leukemia and chronic myeloid leukemia, and how a new gene target functions for several myeloid malignancies. ... > full story

Perception of time spent with fathers can lead to bullying (January 28, 2011) -- Do your children think you work too much and don't spend enough time with them? If so, their perception could lead to bullying behavior, according to new research. ... > full story

Cancer drug aids regeneration of spinal cord after injuries (January 28, 2011) -- After a spinal cord injury a number of factors impede the regeneration of nerve cells. Two of the most important of these factors are the destabilization of the cytoskeleton and the development of scar tissue. While the former prevents regrowth of cells, the latter creates a barrier for severed nerve cells. Scientists have now shown that the cancer drug Taxol reduces both regeneration obstacles. ... > full story

Age of onset of puberty predicts adult osteoporosis risk: Later puberty results in lower bone mass (January 28, 2011) -- Researchers have determined that the onset of puberty was the primary influence on adult bone mineral density, or bone strength. ... > full story

On the hunt for universal intelligence (January 28, 2011) -- How do you use a scientific method to measure the intelligence of a human being, an animal, a machine or an extra-terrestrial? So far this has not been possible, but researchers have taken a first step towards this by presenting the foundations to be used as a basis for this method, and have also put forward a new intelligence test. ... > full story

Cold cases gone hot: Researchers solve decades-old medical mysteries using genetics (January 28, 2011) -- The mystery began in 1976. A patient was diagnosed with a rare form of cancer associated with the occurrence of multiple tumors in his stomach and colon. His medical team was stumped and was unable to answer the most important questions for him and his family: the cause of his disease and the risk for future generations. Now, 35 years later, the answers are at hand thanks to a new genetic study. ... > full story

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