Daily non-political popular news in brief.

Salamanders suffer delayed effects of common herbicide

03-23-2007 · EurekAlert!

Pollution from a common herbicide might be causing die-offs in stream salamanders, according to biologists who say findings from their long-term study raise concerns over the role of atrazine in global amphibian declines.

Keywords: salamanders, suffer, delayed, effects, herbicide, salamander, effect

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Study finds oysters can take heat and heavy metals, but not both
12-13-2006 · EurekAlert!
Could low-level heavy metal pollution be combining with warm water temperatures to fatally weaken sea life? A study examining the joint effects of cadmium and temperature on mitochondrial metabolism in oysters finds a combined effect that is potentially lethal and could be a significant contributor to recent oyster declines. The research has broad implications for cold-blooded marine organisms.
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It's never too late to get it back! Aging interrupted
04-01-2007 · EurekAlert!
Scientists have discovered that reducing calorie intake later in life can still induce many of the health and longevity benefits of life-long calorie reduction. Importantly, this also includes anti-cancer effects. They are using this knowledge to establish a novel screening technique to find drugs which mimic this longevity effect.
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The effects of smoking on fractures and ligament injuries
11-06-2006 · EurekAlert!
Two new studies, funded by the National Institutes of Health and the National Football League Charities, examined the effects of smoking on fractures and ligament healing in mice and found that healing of both types of injury was delayed.
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Study: Re-engineered Gleevec reduces heart risks
12-03-2007 · EurekAlert!
Using a new bottom-up approach for rational drug design, researchers at Rice University and the University of Texas M. D. Anderson Cancer Center have reengineered the powerful anticancer drug imatinib -- best known by its brand name Gleevec -- to more specifically target one type of cancer while potentially curbing a rare life-threatening cardiotoxic side effect. The re-design strategy employed in the study is broadly applicable to reducing side effects in other drugs.
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Partners of cancer survivors at risk for depression
04-06-2007 · EurekAlert!
A new study shows that partners of cancer survivors are susceptible to the same stresses as cancer survivors themselves over the long term, and in some cases, suffer more quality of life-related effects than survivors. The results of the study, which examined partners of cancer survivors who had undergone blood and marrow transplant as part of their treatment, are being published online April 10 in the Journal of Clinical Oncology.
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Pine tree bark reduces side effects in hypertensive patients
11-15-2006 · EurekAlert!
A study published in the October journal of Clinical and Applied Thrombosis/Hemostasis shows Pycnogenol (pic-noj-en-all), an antioxidant plant extract from the bark of the French maritime pine tree reduced edema, a typical side effect of antihypertensive medications, by 36 percent in patients taking these medications.
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Modifying an anti-cancer drug makes it more specific
12-03-2007 · EurekAlert!
Imatinib is used to treat chronic myeloid leukemia and gastrointestinal stromal tumors because they are caused by related proteins. However, this lack of specificity means imatinib also affects normal bodily functions and it has been reported to have a toxic effect on the heart in some patients. Now, researchers have modified imatinib so it inhibits the protein behind GISTs but neither inhibits the protein behind CML nor has toxic effects on the mouse heart.
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Researchers propose reason for severe side-effects of Northwick Park clinical trial
01-25-2007 · EurekAlert!
A possible reason why the Northwick Park clinical trial of the drug TGN1412 in the UK caused multiple organ failure in human volunteers is revealed in research presented today at a conference near Paris. The research shows that stimulating the molecule CD28 on cells that mediate the immune response, known as T cells, can have an adverse effect if these immune cells have been activated and altered by infection or illness in the past.
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Rescue workers in disasters suffer long-term health consequences
04-23-2007 · EurekAlert!
The long-term effects of a disaster on physical and psychological health are the focus of a new study of rescue workers who provided assistance after the explosion of a fireworks depot in the Netherlands in May 2000.
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Wind patterns could mask effects of global warming in ocean
02-07-2008 · EurekAlert!
Scientists at the University of Liverpool have found that natural variability in the Earth's atmosphere could be masking the overall effect of global warming in the North Atlantic Ocean.
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