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Tag: "concerns" at biology news

Millions of children denied drug that costs less than $3 a year

...es, but this policy has been questioned because of concerns about adverse behavioural effects, particularly in children. Yet a study of children in Bangladesh also published in this week’s BMJ, found no significant difference in behavioural problems between phenobarbital and another drug called carbamazepi...

New study finds genetically engineered crops could play a role in sustainable agriculture

...d genetic engineering are controversial because of concerns about risks to human health and biodiversity, but few analyses exist that reveal the actual effects genetically modified plants have on other non-modified species. In an analysis of 42 field experiments, scientists found that this particular modific...

Researchers demonstrate way to control tree height

...atory obstacles,” he said. “Clearly there would be concerns whether the market for specialty tree products such as this would be strong enough to make it worth the large investments of time, money and testing that current regulation of genetically modified organisms would require, at least in the U.S.” Tha...

Common treatment for methamphetamine overdose may damage brain cells

... "This work in laboratory animals raises immediate concerns that a standard treatment for methamphetamine overdose in humans might worsen drug abuse-related brain injuries," says William Carlezon, PhD, at Harvard's McLean Hospital, who was not affiliated with the study. "A crucial next step is to determine ho...

Lighting up life: Cold Spring Harbor Protocols presents tips for creating glowing plants

...es a freely available article that addresses these concerns ( http://www.cshprotocols.org/cgi/content/full/2007/3/pdb.ip31 ). It provides advice on choosing appropriate plant tissues, designing test proteins for maximal GFP detection, and setting up microscope equipment for imaging in plants. This information...

UCI scientists reconstruct migration of avian flu virus

...recorded worldwide, its high mortality rate raises concerns that if the virus mutates to where humans can pass it on, a flu pandemic may occur. ...

Study finds antibiotic resistance in poultry even when antibiotics were not used

...ial illness could become harder to treat. These concerns led the European Union to ban the use of antibioti..., a fluoroquinolone antibiotic ?in poultry, citing concerns that it could lead to resistance in human antibiotics such as Cipro, also a fluoroquinolone. Sev...

New compound prevents alcoholic behavior, relapse in animals by blocking stress response

...st importantly the liver, in ways that would cause concerns about potential side effects, says Heilig. ...

Nanotextured implant materials: blending in, not fighting back

...d years ago as one way to combat this problem, but concerns have surfaced recently about increased clotting. Instead of using chemistry to fight the body's response to such foreign materials, Thomas Webster, an associate professor of engineering, and Karen Haberstroh, an assistant professor of engineering,...

LIAI completes world's most comprehensive analysis on influenza virus data

...ng problem of seasonal influenza and public health concerns over the possible spread of the H5N1 avian flu. ...luenza virus epitopes in the database. "Given the concerns among the worldwide health community about this virus, I think this data gives timely assistance to ...

Bypassing eggs, flu vaccine grown in insect cells shows promise

...host of agricultural issues, as well as scientific concerns regarding the flu virus itself. Flu viruses can be temperamental, and it’s not always an easy matter to get the virus to grow as you want in eggs.? The use of cell culture systems to grow vaccines ?using viruses as tiny factories to churn out mass ...

Farmed salmon could become an invasive species in forest streams

...ms on National Forest System lands and to learn if concerns from both sides of the farmed-versus-wild fish debate had validity, based on an extensive literature review. Here are some of the findings in the report: At present, breeding populations of escaped farm salmon are not known to exist on Nation...

Imaging techniques permit scientists to follow a day -- or four -- in the life of a cell

...rotocols ( www.cshprotocols.org ) addresses these concerns with two freely accessible protocols: one for inserting 'reporter' proteins into cells to monitor what's going on inside, and another for maintaining the cells under a microscope for long-term observation. The first protocol, available at http://ww...

ESA launches new project to protect biodiversity

...d products. "DIVERSITY responds directly to key concerns expressed through the Convention process regarding the future integrity of natural ecosystems, the survival of species and the goods and services they offer to humankind," the UNCBD's Höft said. "It also demonstrates the responsible role of the priva...

Hofmeyr skull supports the 'Out of Africa' theory

...ontested debates, and one that has raged for years concerns the evolutionary origin of modern people. A number of genetic studies (especially those on the mitochondrial DNA) of living people indicate that modern humans evolved in sub-Saharan Africa and then left between 65,000 and 25,000 years ago to colonize...

Warming oceans threaten Antarctic glaciers

...ica were shown to be retreating in unison, raising concerns that global sea level could rapidly rise if the oceans continue to warm. Dr. Andrew Shepherd, at the University of Edinburgh’s School of GeoSciences, said: "Our assessment confirms that just one type of glacier in Antarctica is retreating today ?t...

Are journal rankings distorting science?

This week’s BMJ raises concerns over whether journal rankings (known as impact factors) are distorting publishing and science. The impact factor is a measure of the citations to papers in scientific journals. It was developed as a simple measure of quality and has become a proxy f...

New cigarette designs don't offer lower predicted cancer risks

...who are interested in a cigarette that responds to concerns about certain smoking-related illnesses, including cancer." Another tobacco firm, in a print ad for the brand, has crowed "All of the taste ?Less of the toxins." But a study by Dr. James F. Pankow of Oregon Health & Science University may snuff...

Nanotechnology shows promise as next wrinkle fighter

...eas are in the early stages with health and safety concerns to be worked through. Already Ilsoon's lab, with collaborators, is testing polymer films, by applying various cells and proteins to see if there are toxic reactions. ...

Long-term narcotics use for back pain may be ineffective and lead to abuse

...ation, and opioid medications are used despite the concerns clinicians have with patients developing an addiction to these medications," said first author Bridget Martell, M.D., assistant clinical professor of general internal medicine at Yale School of Medicine. "Our findings suggest that clinicians should c...

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