Space Season: ScienceDaily Health Headlines -- for Sunday, January 30, 2011

ScienceDaily Health Headlines

for Sunday, January 30, 2011

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Learn more quickly by transcranial magnetic brain stimulation, study in rats suggests (January 29, 2011) -- What sounds like science fiction is actually possible: thanks to magnetic stimulation, the activity of certain brain nerve cells can be deliberately influenced. What happens in the brain in this context has been unclear up to now. Medical experts have now shown that various stimulus patterns changed the activity of distinct neuronal cell types. In addition, certain stimulus patterns led to rats learning more easily. ... > full story

Mini-strokes leave 'hidden' brain damage (January 29, 2011) -- A transient ischemic attack is sometimes known as a mini-stroke. New research shows these attacks may not be transient at all. They in fact create lasting damage to the brain. ... > full story

Growth spurt? 'Catch-up' growth signals revealed (January 29, 2011) -- Researchers have uncovered molecular signals that regulate catch-up growth -- the growth spurt that occurs when normal conditions are restored after a fetus, young animal or child has been ill, under stress or deprived of enough food or oxygen to grow properly. ... > full story

Presence of peers heightens teens' sensitivity to rewards of a risk (January 29, 2011) -- Teenagers take more risks when they are with their friends. A new study sheds light on why. The findings demonstrate that when teens are with their friends they are more sensitive to the rewards of a risk than when alone. ... > full story

DNA caught rock 'n rollin': On rare occasions DNA dances itself into a different shape (January 29, 2011) -- DNA, that marvelous, twisty molecule of life, has an alter ego, research reveals. On rare occasions, its building blocks "rock and roll," deforming the familiar double helix into a different shape. ... > full story

Premature infants' lungs may improve with better nutrition (January 29, 2011) -- Improving lung function in premature babies with a severe lung disease may be linked to their feeding regimen, according to a new study. ... > full story

Voice-saver: Light therapy for early-stage laryngeal cancer (January 29, 2011) -- A new study finds light, or photodynamic therapy, can help preserve the voice in patients with early stage laryngeal cancer. Photodynamic therapy works by destroying deadly cancer cells without harming surrounding healthy tissue by using a powerful laser and a nontoxic, light-activated drug. It also has fewer side-effects than radiation and surgery. ... > full story

Helping others helps alcoholics stay on the road to recovery (January 29, 2011) -- Participating in community service activities and helping others is not just good for the soul; it has a healing effect that helps alcoholics and other addicts become and stay sober, new research shows. ... > full story

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

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