ScienceDaily Health Headlines
for Saturday, April 30, 2011
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Risk of accelerated aging seen in PTSD patients with childhood trauma (April 29, 2011) -- Adults with post-traumatic stress disorder and a history of childhood trauma had significantly shorter telomere length than those with PTSD but without childhood trauma, a recent study found. ... > full story
A better imaging agent for heart disease and breast cancer (April 29, 2011) -- Scientists are reporting development of a process for producing large quantities of a much-needed new imaging agent for computed tomography scans in heart disease, breast cancer and other diseases, and the first evidence that the material is safe for clinical use. The imaging agent is a tantalum oxide nanoparticle, which is inexpensive, and stays in the body long enough to image many different organs. ... > full story
When a salad is not a salad: Why are dieters easily misled by food names? (April 29, 2011) -- Dieters are so involved with trying to eat virtuously that they are more likely than non-dieters to choose unhealthy foods that are labeled as healthy, according to a new study. It seems dieter focus on food names can work to their disadvantage. ... > full story
New genetic model of premature aging diseases (April 29, 2011) -- Scientists have developed a new genetic model of premature aging disorders that could shed light on these rare conditions in humans and provide a novel platform for large-scale screening of compounds to combat these and other age-related diseases. ... > full story
Mystery solved: How sickle hemoglobin protects against malaria (April 29, 2011) -- A new article is likely to help solve one of the long-standing mysteries of biomedicine. In a study that challenges currently held views, researchers unravel the molecular mechanism whereby sickle cell hemoglobin confers a survival advantage against malaria, the disease caused by Plasmodium infection. These findings open the way to new therapeutic interventions against malaria, a disease that continues to inflict tremendous medical, social and economic burdens to a large proportion of the human population. ... > full story
Measles outbreak underscores need for continued vigilance in health care settings (April 29, 2011) -- In 2008, the largest reported health care-associated measles outbreak in the United States since 1989 occurred in Tucson, Ariz., costing approximately 0,000 in response and containment efforts. Researchers have now identified preventive measures hospitals and health care facilities can implement to reduce the likelihood and decrease the economic impact of a future measles outbreak in these settings. ... > full story
Unintentional child injuries, deaths can be prevented, public health researchers say (April 29, 2011) -- Injury-related accidents, including suffocation, being burned, and ingestion of harmful substances, are the leading cause of death among children and adolescents, according to the CDC. Researchers have found that the majority of injuries to young children are not the result of physical abuse, but unintentional injuries resulting from inadequate supervision. Although injuries to children may be unintentional, they can be prevented and should not be considered accidents, researchers say. ... > full story
Monkeys, too, can recollect what they've seen, study suggests (April 29, 2011) -- It's one thing to recognize your childhood home when you see it in a photograph and quite another to accurately describe or draw a picture of it based on your recollection of how it looked. A new report offers some of the first clear evidence that monkeys, like humans, have the capacity for both forms of memory. ... > full story
Gene therapy shows promise against age-related macular degeneration (April 29, 2011) -- A study shows promise in slowing age-related macular degeneration (AMD). Researchers demonstrate for the first time that a gene therapy approach to deliver CD59, an inhibitor of complement, can significantly reduce uncontrolled blood vessel growth and cell death that is typical in AMD, the most common cause of blindness in the elderly. ... > full story
How do white blood cells detect invaders to destroy? (April 29, 2011) -- Scientists have discovered how a molecular receptor on the surface of white blood cells identifies when invading fungi have established direct contact with the cell surface and pose an infectious threat. ... > full story
Disruptions of daily rhythms in Alzheimer's patients' brains (April 29, 2011) -- Disruptions of circadian rhythms and sleep-wake cycles have been observed in patients with Alzheimer's disease. A new study unravels a possible basis for these perturbations. Recent findings show function in multiple areas of the human brain. ... > full story
Shielding body protects brain from 'shell shocking' blast injuries: Even mild blast exposure damages nerve cells in mice, study shows (April 29, 2011) -- Stronger and tougher body armor to shield the chest, abdomen and back may be just what soldiers fighting in the Afghanistan and Iraq wars need to better protect their brains from mild injuries tied to so-called "shell shock," results of a new study in mice suggest. ... > full story
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