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Tag: "concern" at biology news

Women cautioned against using herbal supplements

...erbs can have estrogen-like actions and thus raise concern about their long-term use," said Barbour Warren, a...reater cell multiplication in the breast. There is concern over this effect since it could be a preliminary step in cancer formation by leading to the outgrowt...

Naturally occurring asbestos linked to lung cancer

...al California, and has been a source of increasing concern as new housing developments cut through these areas. Of most concern are the areas of ultramafic rock associated with tremolite asbestos. In their ambitious study, Sche...

'Sinkers' provide missing piece in deep-sea puzzle

... the carbon reaching the seafloor has been a major concern not only to oceanographers but also to some climate modelers who are trying to understand global warming. The global carbon cycle is like a complex jigsaw puzzle with many interlocking pieces. Robison's research may supply a piece of the puzzle that ...

Leptin-signaling Protein Maintains Normal Body Weight And Energy Balance In Mice

...nt in small-scale aquaculture in Africa comes amid concern over falling fish supplies on the continent, where more than one-third of the population is undernourished. While sub-Saharan Africa has the world's lowest per capita fish consumption, more than 200 million Africans eat fish regularly. The FAO esti...

Crisis in African fish supplies looms, experts warn Africa leaders

...nt in small-scale aquaculture in Africa comes amid concern over falling fish supplies on the continent, where more than one-third of the population is undernourished. While sub-Saharan Africa has the world's lowest per capita fish consumption, more than 200 million Africans eat fish regularly. The FAO esti...

Virologist finds contagious equine flu in dogs

...to the paper. "This infection will become a major concern for all dog owners, since 100 percent of dogs are susceptible to infection by this virus ," said Dubovi. "With 50 million pet dogs in this country, even if you have 1 percent mortality, this is going to result in a number of dogs dying from it." T...

Millennium Ecosystem Assessment: Many of 2 billion dryland dwellers at risk as land degrades

...ture of the problem makes desertification a global concern ?one that receives too little attention," says co-author Zafar Adeel, Assistant Director of the United Nations University water academy in Canada, the UNU International Network on Water, Environment and Health. Population growth, globalization and d...

Plankton can run, but can't hide from basking sharks

...ons of basking sharks and other species. "There is concern that the world's two largest fish species, the whale shark Rhincodon typus and the basking shark, have low population levels as a result of human exploitation. Data on population sizes for these species are lacking, and diving behaviour is one factor...

Genetic links could unlock clues to leading cause of blindness

...t heightens the importance of this disease and the concern about (what will happen) if we don't come up with a better way to treat this," she said. That's where Dawson thinks the monkeys can help. They age three to four times faster than humans, making it easier to track the progression of the disease. The ...

New method shows it is possible to grow bone for grafts within a patient's body

...cium, a known trigger for bone growth. Their major concern was that the bioreactor would fill with scar tissue instead of bone, but that didn't happen. Instead, it filled with bone that is indistinguishable from the original bone. The scientists intend to proceed with the large animal studies and clinical t...

Discovery could be key to bioterrorism defense

...t such a wide range of hosts. "In addition to our concern about Nipah and Hendra viruses as emerging global health and economic threats, we worry about their potential use as bioterror agents," stated Anthony S. Fauci, M.D., director of the National Institute of Allergy and Infectious Diseases, the arm of N...

Cancer drug slows poxvirus in mice

...eclared smallpox eradicated in 1980. Nevertheless, concern remains that smallpox virus could be unleashed through an act of bioterror. For this reason, scientists are working to better understand the mechanisms of smallpox disease and to develop new and improved smallpox treatments and vaccines. NIAID is a ...

To Stop Evolution: New Way Of Fighting Antibiotic Resistance Demonstrated By Scripps Scientists

...oon become completely untreatable. This is a major concern for public health because, according to the World Health Organization (WHO), large-scale epidemics of dysentery driven by this pathogen have been known to cause tens of thousands of deaths in Central America, South Asia, and central and southern Afri...

Nature provides inspiration for important new adhesive

... carcinogen, and in some circumstances it may be a concern in some residential building products. The other key advantage of the new adhesives is their superior strength and water resistance. "The plywood we make with this adhesive can be boiled for several hours and the adhesive holds as strong as ever," ...

Currents could disrupt ocean food chain

...e bottom of the marine food web. There is growing concern by a number of scientists, however, that higher levels of human-generated carbon dioxide could increase water and air temperatures and decrease salinity in the North Atlantic at a rate significant enough to prevent the sinking and ultimate mixing of ...

A New Species of Monkey is Discovered in Tanzania: The First in Africa for More Than 20 Years

... Forest Reserve is in good condition, but there is concern that the population of the highland mangabey in this forest is very small and limited in distribution. Ehardt observes that, “With the addition of another threatened species of primate to those species previously documented, the Udzungwa Mountains ar...

Man-made wetland's effectiveness similar to natural marsh

...phorus and nitrogen. While phosphorus is more of a concern in freshwater areas, as freshwater algae thrive on this nutrient, nitrogen is a considerable problem in the Gulf of Mexico. Each spring, the rush of chemicals that runs into lakes and streams in the Mississippi watershed ?an area encompassing about ...

Oceans more vulnerable to agricultural runoff than previously thought, study finds

...clam harvesting for long periods of time. Another concern is hypoxia, or oxygen depletion, caused by excessi...ff events in the Yaqui Valley. They also expressed concern about the impact of large farming operations in other vulnerable subtropical and tropical oceans, in...

Researchers discover underwater volcano

...eyes on this area, but there is no real reason for concern about immediate danger," said Staudigel. Three students from High Tech High in San Diego were aboard one of the two expeditions to Nafanua and assisted researchers in collecting and analyzing data. These students also created and maintained an in-de...

First technology to remove prions that cause vCJD from blood launched

...Creutzfeldt-Jakob (vCJD) prions may no longer be a concern for the thousands of people who require a transfusion. Pall Corporation (NYSE: PLL) announced today the Council of Europe (CE) marking of its Leukotrap® Affinity Prion Reduction Filter System. It is the first and only technology that removes infectio...

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