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Educational program increases some safety behaviors for older drivers
A one-on-one educational safety program for high-risk, visually impaired older drivers increased some behaviors that should help reduce risk for future collisions; however, the program showed no effect on the actual rate of collisions for the period covered by the study.
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Harmless virus associated with longer life for some HIV-positive men
Scientists have shown that an apparently harmless virus is associated with longer life for HIV-positive men, but only when it infects them for many years. more
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Faulty DNA replication linked to neurological diseases
Lengthy sequences of DNA -- with their component triplet of nucleotides repeated hundreds, even thousands of times -- are known to be abnormal, causing rare but devastating neurological diseases. But how does the DNA get this way? How does it go haywire, multiplying out of control?
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Hopkins researchers find MRI useful tool in diagnosing inflammatory bowel diseases in children
Magnetic resonance imaging (MRI), coupled with the use of the contrast dye gadolinium, may help pediatricians better diagnose children with ulcerative colitis and Crohn's disease, according to a study by researchers at the Johns Hopkins Children's Center.
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Search for macular degeneration genes narrows
Scientists at the University of Michigan Kellogg Eye Center, working with colleagues in the U-M School of Public Health, have significantly narrowed the range of chromosomal locations where they expect to find genes associated with age-related macular degeneration (AMD). more
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Scientists describe dangerous cocktail of alcohol, brain peptides, and neurotransmitters
This work, published in the latest issue of the journal Science, ties together the effect of the brain peptide corticotropin releasing factor (CRF) with alcohol. Both appear to influence neurotransmission in the amygdala, the so-called pleasure center of the brain, by increasing the transmission of one particular neurotransmitter called gamma amino butyric acid (GABA).
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Dairy, moderate fat, carbohydrate intakes reduce obesity in young teens
Children who ate few dairy products and had low or high intakes of dietary fat gained more weight than those on a moderate fat diet, according to a study presented today at the American Heart Association's 44th annual Conference on Cardiovascular Disease Epidemiology and Prevention. more
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