ScienceDaily Health Headlines -- for Sunday, April 17, 2011

ScienceDaily Health Headlines

for Sunday, April 17, 2011

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Neurological basis for embarrassment described (April 16, 2011) -- Recording people belting out an old Motown tune and then asking them to listen to their own singing without the accompanying music seems like an unusually cruel form of punishment. But for a team of scientists, this exact Karaoke experiment has revealed what part of the brain is essential for embarrassment. ... > full story

MRI may help detect Alzheimer's at early stage, study suggests (April 16, 2011) -- New research suggests that magnetic resonance imaging could help detect Alzheimer's disease at an early stage, before irreversible damage has occurred. ... > full story

Vitamin D may help reduce heart risk in African-Americans (April 16, 2011) -- New research indicates that supplementation with the "sunshine vitamin" may be particularly beneficial for overweight African-American adults, a population at increased risk for both CVD and vitamin D deficiency. ... > full story

Stigma weighs heavily on obese people, contributing to greater health problems (April 16, 2011) -- The discrimination that obese people feel, whether it is poor service at a restaurant or being treated differently in the workplace, may have a direct impact on their physical health, according to new research. ... > full story

Therapeutically promising new findings for combating hypertension and cardiovascular disease (April 16, 2011) -- Researchers have discovered a promising new avenue they strongly believe can be further developed to treat hypertension and cardiovascular disease. ... > full story

Non-lethal way of switching off essential genes in mice perfected (April 16, 2011) -- Switching off an essential gene to study its function is problematic because shutting off its activity permanently will kill the organism before the gene's function can be determined. Researchers have overcome this problem by using RNAi technology to temporarily turn off any essential gene in adult mice and then turn it back on before the change kills the animals. ... > full story

Combined use of three markers for kidney disease may help predict risk of kidney failure, death (April 16, 2011) -- Combining the chronic kidney disease markers of creatinine-based estimated glomerular filtration rate and urine albumin-to-creatinine ratio with the biomarker cystatin C was associated with improved prediction of end-stage kidney disease and all-cause death, according to a new study. ... > full story

Doctors lax in monitoring potentially addicting drugs, study suggests (April 16, 2011) -- Few primary care physicians pay adequate attention to patients taking prescription opioid drugs -- despite the potential for abuse, addiction and overdose, according to a new study. The study found lax monitoring even of patients at high risk for opioid misuse, such as those with a history of drug abuse or dependence. ... > full story

Africa the birthplace of human language, analysis suggests (April 15, 2011) -- A new study by a New Zealand researcher provides strong evidence for Africa as the birthplace of human language. An analysis of languages from around the world suggests that, like our genes, human speech originated -- just once -- in sub-Saharan Africa. The research studied the phonemes, or the perceptually distinct units of sound that differentiate words, used in 504 human languages today and found that the number of phonemes is highest in Africa and decreases with increasing distance from Africa. ... > full story

'Thunder' protein regulates memory formation (April 15, 2011) -- Researchers have discovered in mice a molecular wrecking ball that powers the demolition phase of a cycle that occurs at synapses -- those specialized connections between nerve cells in the brain -- and whose activity appears critical for both limiting and enhancing learning and memory. ... > full story

Whole-exome sequencing of skin cancer completed: Most comprehensive view of melanoma's genetic landscape (April 15, 2011) -- Researchers have made the first systematic survey of the landscape of the melanoma genome, the DNA code of the deadliest form of skin cancer. The researchers have made surprising new discoveries using whole-exome sequencing, an approach that decodes the 1-2 percent of the genome that contains protein-coding genes. ... > full story

Childhood eczema and hay fever leads to adult allergic asthma, study finds (April 15, 2011) -- Children who have eczema, particularly when occurring with hay fever, are nine times more likely to develop allergic asthma in their 40s, a new study reveals. ... > full story

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