Current Event Articles: ScienceDaily Health Headlines -- for Saturday, July 31, 2010

Saturday, July 31, 2010

ScienceDaily Health Headlines -- for Saturday, July 31, 2010

ScienceDaily Health Headlines

for Saturday, July 31, 2010

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Unexpected viral 'fossils' found in vertebrate genomes (July 30, 2010) -- Over millions of years, retroviruses, which insert their genetic material into the host genome as part of their replication, have left behind bits of their genetic material in vertebrate genomes. In a recent study, a team of researchers found that human and other vertebrate genomes also contain many ancient sequences from Ebola/Marburgviruses and Bornaviruses -- two deadly virus families. ... > full story

Plant compound resveratrol shown to suppresses inflammation, free radicals in humans (July 30, 2010) -- Resveratrol, a popular plant extract shown to prolong life in yeast and lower animals due to its anti-inflammatory and antioxidant properties, appears also to suppress inflammation in humans, based on results from the first prospective human trial of the extract. ... > full story

Snake venom studies yield insights for development of therapies for heart disease and cancer (July 30, 2010) -- Researchers seeking to learn more about stroke by studying how the body responds to toxins in snake venom are this week releasing new findings that they hope will aid in the development of therapies for heart disease and, surprisingly, cancer. ... > full story

Researchers find new translocation; weak spots in DNA lead to genetic disease (July 30, 2010) -- Pediatric researchers continue to discover recurrent translocations -- places in which two chromosomes exchange pieces of themselves, and can lead to genetic disease and disability. Originating in locations where DNA strands are prone to bending and breaking, this translocation between chromosomes 8 and 22 strengthens the possibility that unstable spots in the genome may reflect a general mechanism lurking in the structure of DNA. ... > full story

Brain potentials reveal spectator effect (July 30, 2010) -- The neurological responses caused by observing somebody else playing a game have been uncovered. Researchers found differing responses for neutral observers, compared to those who wished the player to fail and those who wanted to see the player succeed. ... > full story

Calcium supplements linked to increased risk of heart attack, study finds (July 30, 2010) -- Calcium supplements, commonly taken by older people for osteoporosis, are associated with an increased risk of a heart attack, a new study finds. ... > full story

Resting brain activity associated with spontaneous fibromyalgia pain (July 30, 2010) -- A recent study provides the first direct evidence of linkage between elevated intrinsic (resting-state) brain connectivity and spontaneous pain intensity in patients with fibromyalgia. This research shows an interaction of multiple brain networks, offering greater understanding of how pain arises. ... > full story

Most youth hockey injuries caused by accidents, not checking, study shows (July 30, 2010) -- Hockey fans likely would assume that body-checking -- intentionally slamming an opponent against the boards -- causes the most injuries in youth ice hockey. But they would be wrong. ... > full story

Cell-of-origin for human prostate cancer identified for first time (July 30, 2010) -- Scientists have identified for the first time a cell-of-origin for human prostate cancer, a discovery that could result in better predictive and diagnostics tools and the development of new and more effective targeted treatments for the disease. ... > full story

Fluorescent biosensor to aid in drug development (July 30, 2010) -- Scientists have developed a new fluorescent biosensor that could aid in the development of an important class of drugs that target a crucial class of proteins called G protein-coupled receptors (GPCRs). GPCRs are popular drug targets because of the pivotal role they play in cells' communication circuits responsible for regulating functions critical to health, including circuits involved in heart and lung function, mood, cognition and memory, digestion and the inflammatory response. ... > full story

Vascular-targeted photodynamic therapy for localized prostate cancer (July 30, 2010) -- NYU Langone Medical Center has begun a clinical trial offering vascular-targeted photodynamic therapy to patients with localized prostate cancer. This novel, minimally invasive procedure uses a light-activated drug to deliver light energy waves by way of laser fibers in order to destroy prostate cancer cells. ... > full story

Psychologists develop two potent new predictors of suicide risk (July 30, 2010) -- Two powerful new tests developed by psychologists show great promise in predicting patients' risk of attempting suicide. The work may help clinicians overcome their reliance on self-reporting by at-risk individuals, information that often proves misleading when suicidal patients wish to hide their intentions. ... > full story

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