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Tag: "risk" at biology news

Failure to meet United Nations sanitation target could affect millions of the world's poorest

...1990 to 2004, we do see that countries that are at risk of missing either or both targets are more likely to be in the lowest income categories," she said. "They are also the fastest growing countries, with population-doubling rates of about 30 years. At the same time, some of the wealthiest developing co...

Breakthrough in understanding type-2 diabetes as key genes identified

The most important genes associated with a risk of developing type-2 diabetes have been identified...individuals' genetic maps, which corresponded to a risk of developing the disorder. The scientists, from Imperial College London, McGill University, Canada,...

Study identifies risk factors for spread of respiratory infections in hospitals

...he use of oxygen therapy were the most significant risk factors associated with the spread of SARS in 26 h.... This study found that hospitals could reduce the risk of outbreaks by providing staff with hand-washing, showering, and changing facilities. The use o...

Genes and biomarkers that allow doctors to choose the right therapy for the right patient

...onalize lung or brain cancer therapy and lower the risk of unnecessary radiation treatments. Researchers at Vanderbilt University are using a biomarker library of peptides to determine whether or not tyrosine kinase inhibitor therapy, combined with radiation therapy, is indeed effective against lung or br...

Cancer tip -- Nanoparticles can damage DNA, increase cancer risk

...ally lead to mutations and ultimately increase the risk of cancer." One problem is that, while it’s clear that some nanoparticles can be more toxic than others, there’s not enough data as yet to determine the most dangerous types. "A lot is unknown about nanoparticle function, but clearly both size...

Selective marker found to indicate aggressive form of breast cancer

...tients with this type of breast cancer are at high risk for recurrence," said James DiRenzo, Ph.D., assistant professor at Dartmouth Medical School. "Ideally, a marker like nestin would enable clinicians to monitor these patients through frequent tests of a biomarker and, in doing so, detect the cancer b...

Bats prey on nocturnally migrating songbirds

...s that migration at night is not without predation risk for passerines. A unique creature is indeed capable of exploiting the formidable food source represented by the billions of high-flying, Eurasian songbirds which engage twice a year into long-distance, north-south or south-north nocturnal movements...

Twin studies reveal genetic components leading to cardiac and kidney disease

...ated blood glucose and lipids ?were just amorphous risk factors before," said O’Connor. "Now we know that...vely map genetic components that lead to increased risk of disease. CRP and Heart Disease For example, by studying twins, O’Connor’s team has identi...

Scientists find new genetic clue to cause of Alzheimer's disease

...se early onset Alzheimer's, and one that increases risk for the late onset form. This discovery provides a completely new genetic clue about the late onset forms of this very complex disease. We are eager to investigate the role of this gene further." Scientists think that in Alzheimer's disease, amyloi...

Researchers find hepatitis A and hepatitis C attack same protein to block immune defenses

...the United States, Lemon said, "It’s a significant risk for many people traveling overseas, because they fail to receive the vaccine." Hepatitis A has also been the cause of large food-borne outbreaks in the U.S. in recent years, including one in Pennsylvania that caused three deaths in otherwise healthy ...

New research shows that flu is a trigger of heart attacks

... concerted action to ensure that people who are at risk of heart disease receive the influenza vaccine eve...orts to increase the vaccination rate in people at risk of coronary heart disease. This may be especially important in an influenza pandemic when we would e...

Xylitol reduces risk of cavities

...s recommended as a supplement for patients at high risk for tooth decay. Xylitol products that actively...ract the production of acid and thereby reduce the risk of cavities. The daily intake should be distributed over at least three occasions. The product...

Map predicting spread of avian flu

...transmissible animal diseases between farms. These risk maps identify geographic areas in which a given in...trol the spread of the disease between farms. "The risk map concept is an instrument suitable for analyses of epidemic control options both during crisis an...

Ethanol vehicles pose a significant risk to human health, study finds

... a high blend of ethanol poses an equal or greater risk to public health than gasoline, which already causes significant health damage.'' Gasoline vs. ethanol For the study, Jacobson used a sophisticated computer model to simulate air quality in the year 2020, when ethanol-fueled vehicles are expe...

Gene expression test reveals ER and HER-2 status of breast tumors

...grated single genomic test that could estimate the risk of cancer relapse after surgery, determine the ER and HER2 receptor status, and also gauge the sensitivity of the tumor to hormone therapy and chemotherapy," says Lajos Pusztai, M.D., Ph.D., associate professor in the M. D. Anderson Department of Bre...

Elderly spinal cord injuries increase five-fold in 30 years, Jefferson neurosurgeons find

...lieved that these older patients have an increased risk of mortality due to their concurrent medical illnesses, as well as their limited ability to overcome traumatic injuries, they said. Mortality, both during hospitalization and the first year after injury, was much higher in the geriatric...

Scientists discover a new risk factor for Alzheimer's

...ter St George-Hyslop have identified a new genetic risk factor associated with the most common form of Alz...hose variations to be associated with an increased risk of Alzheimer's in six of them," St George-Hyslop said. "That implies that SORL1 is not the only caus...

Eating less salt could prevent cardiovascular disease

...o found a reduction in salt intake could lower the risk of death from cardiovascular disease by up to a fi...e amount of salt in the diet reduces the long term risk of future cardiovascular disease, say the authors of the report. Researchers followed up particip...

Researchers discover surprising drug that blocks malaria

...ostly African children under five. It also poses a risk to travelers. An estimated 500 million cases of malaria were expected in 2006. Commonly used drugs against malaria attack the parasite, but it rapidly changes its molecular structure to become resistant to those drugs. It would be difficult, howev...

New cigarette designs don't offer lower predicted cancer risks

...te brand seems to promise a lot. "May present less risk of cancer associated with smoking," the company bo... to account for about 2 percent of the lung cancer risk associated with smoking cigarettes. Pankow said: "Since we can't account for the risks from smoki...

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