Fw: ScienceDaily Health Headlines -- for Sunday, December 5, 2010

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ScienceDaily Health Headlines -- for Sunday, December 5, 2010

ScienceDaily Health Headlines

for Sunday, December 5, 2010

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Blame the environment: Why vaccines may be ineffective for some people (December 4, 2010) -- A new discovery may explain why a tuberculosis vaccine is not as effective for some people as anticipated, and potentially explains why other vaccines do not work as well for some as they do for others. ... > full story

Color-changing 'blast badge' detects exposure to explosive shock waves (December 4, 2010) -- Mimicking the reflective iridescence of a butterfly's wing, investigators have developed a color-changing patch that could be worn on soldiers' helmets and uniforms to indicate the strength of exposure to blasts from explosives in the field. Future studies aim to calibrate the color change to the intensity of exposure to provide an immediate read on the potential harm to the brain and the subsequent need for medical intervention. ... > full story

Molecular 'switch' contributes to cellular aging process: Discovery suggests new treatments for metabolic diseases (December 4, 2010) -- Scientists report finding a molecular "switch" that can "turn off" some cellular processes that are protective against aging and metabolic diseases. ... > full story

Molecular mechanism that causes teens to be less sensitive to alcohol than adults identified (December 4, 2010) -- Researchers have known for years that teens are less sensitive than adults to the motor-impairing effects of alcohol, but they do not know exactly what is happening in the brain that causes teens to be less sensitive than adults. But now, neuropsychologists have found the particular cellular and molecular mechanisms underlying the age-dependent effect of alcohol in teens that may cause the reduced motor impairment. ... > full story

New prion discovery reveals drug target for mad cow disease and related illnesses (December 4, 2010) -- In a new study, scientists have found that a protein our body uses to break up blood clots speeds up the progress of prion diseases. This substance, called plasminogen, is a new drug target for prion diseases in both humans and animals. ... > full story

Eye movement problems common cause of reading difficulties in stroke patients (December 4, 2010) -- Eye movement problems that result in difficulty reading are as common as vision loss in stroke patients, researchers at the University of Liverpool have found. ... > full story

A molecular switch for memory and addiction (December 4, 2010) -- Scientists from Germany, the UK and Italy identify a molecular switch that leads to a sustained increase of calcium in nerve cells and plays a crucial role in the formation of memory and addictive behaviors. ... > full story

Tooth decay to be a thing of the past? Enzyme responsible for dental plaque sticking to teeth deciphered (December 4, 2010) -- Scientists have deciphered the structure and functional mechanism of the glucansucrase enzyme that is responsible for dental plaque sticking to teeth. This knowledge will stimulate the identification of substances that inhibit the enzyme. Just add that substance to toothpaste, or even sweets, and caries could be a thing of the past. ... > full story

Researchers uncover culprits in life-threatening clotting disorder (December 4, 2010) -- Individuals with a potentially life-threatening condition predisposing them to blood clots, or thrombosis, might someday receive therapy to prevent the condition, thanks to new findings. ... > full story

Preterm infants may need a boost to protect against invasitve pneumococcal disease (December 4, 2010) -- A new study suggests that preterm infants may not be fully protected against invasive pneumococcal disease under the current United Kingdom immunization schedule. ... > full story

Under suspicion: Painkiller ziconotide could increase suicidal ideation (December 4, 2010) -- The active agent ziconotide, the synthetic toxin of the cone snail, was acclaimed a safe alternative to morphine when it was introduced six years ago. Now it is increasingly suspected of causing patients to commit suicide. ... > full story

Do our bodies' bacteria play matchmaker? (December 3, 2010) -- Could the bacteria that we carry in our bodies decide who we marry? According to a new study, the answer lies in the gut of a small fruit fly. Scientists recently demonstrated that the symbiotic bacteria inside a fruit fly greatly influence its choice of mates. ... > full story

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