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Tag: "decrease" at biology news

Mobile phone use not linked to increased risk of glioma brain tumours

...orted to have been held but this was mirrored by a decrease in the risk on the opposite side of the head making it difficult to interpret as a real effect. This finding may be due to people with glioma brain tumours linking mobile phone use to the side of the tumour and therefore over reporting the use of a ...

Study finds drug may cut down involuntary movements

... effects. This study shows that tetrabenazine can decrease chorea, and the drug is well-tolerated by most research subjects," said Shannon. Tetrabenazine was originally developed in the 1950s to treat psychosis, but was quickly pushed aside by more effective medications. But doctors in the United Kingdom fo...

Chemotherapy gel may fight breast cancer and reduce breast deformity

...at Magee-Womens Hospital. "This treatment may help decrease the occurrences of breast deformity. With more studies under our belt, we believe this approach could eventually represent an alternative to breast radiation after surgery." According to Dr. Edington, clinical trials on women with breast cancer will...

Evidence for omega 3 fats less conclusive than we thought, say experts

... reviews of omega 3 trials found that omega 3 fats decrease mortality, but the publication of a large contradictory trial has changed the overall picture. The authors cannot say exactly why the results of this trial differ from the other large studies in this field. They therefore conclude that it is not cl...

Sexual reproduction delays aging in a mammalian species

...s biologically costly for individuals and tends to decrease lifespan rather than increase it. But a new study by Philip Dammann and Hynek Burda from the University of Duisburg-Essen shows that, in a vertebrate species, the opposite can be true as well. The authors, studying captive Zambian mole-rats (Cryptom...

ASU researchers 'wire' DNA to identify mutations

...ingle base in the DNA stack can either increase or decrease the conductivity of a DNA helix, depending on the type of mismatched base. Not only was the group the first measure SNPs in this manner, but they were also the first to make the measurement in a water environment relevant to that found in biological...

Children overprescribed antibiotics for sore throat

...sits in 1995 to 54 percent of visits in 2003. This decrease was attributable to a decrease in the prescribing of recommended antibiotics (49 percent to 38 percent). Physicians performed a GAB...

Telling axons where to go - and grow

...r-expression of Rnf6 that results in a significant decrease in axon length. Finding that Rnf6 targets LIMK1 for degradation finally closes this circle of regulation, providing the link between actin dynamics, axonal growth and Rnf6. Importantly, the authors are able to show that changes in axon outgrowth ...

Do the Europeans turn ill sitting up so late?

...sorders, increased accident rates and considerable decrease in the quality of life.Sleep loss may also predispose individuals to conditions such as burn-out and cardiovascular diseases. The EU has granted a 4,4 million Euro funding for this research project from the Marie Curie 6th Framework Program. In addi...

Shorter colds, milder flu may follow from newly revealed immune mechanism

...recovery time or lessen symptoms." The ability to decrease the severity of lung infections may also have important implications for asthma, COPD (chronic obstructive pulmonary disease) and other chronic lung diseases, according to Holtzman. "We commonly see children, for example, who develop these same typ...

Storing carbon to combat global warming may cause other environmental problems, study suggests

...ively low rainfall areas. We predict we will see a decrease in stream flow particularly in these relatively drier spots that are targets for sequestration." Almost all plantation trees are heavy water using evergreen species such as pines and eucalyptus, he added. However, the researchers said adding more of...

A new step towards an AIDS vaccine

...A, stimulate pDCs through Toll-like receptors. A decrease of blood pDC frequency is typically observed in chronic infections due to HIV-1 and correlates with high viral load, reduced CD4 counts and susceptibility to opportunistic infections, and is only partially reverted by anti-retroviral therapy. By iden...

Scientists determine structure of enzyme that disrupts bacterial virulence

...dy been shown in previous studies to significantly decrease soft rot in potato plants. The Brandeis and University of Texas team purified the enzyme and identified its structure using X-ray crystallography, an essential step toward developing drugs that may reduce the pathogenicity of bacteria involved in bi...

Good news for the medical marijuana movement: pot proliferates brain cells and boosts mood

Most drugs of abuse decrease the generation of new neurons in the brain, but the effects of marijuana on this process, called neurogenesis, had not been clear. In a paper appearing online on October 13 in advance of print publication of the November issue of the Journal of Clin...

Prostate cancer uses Wnt signaling proteins to promote growth of bone tumors

...nt pathway to slow the growth of tumors in bone or decrease the tumor-associated pain," Keller says. "We won't be able to stop the primary tumor from releasing cells, but by preventing early bone resorption, we may be able to prevent metastatic cells from getting a foothold in bone." In future research, U-M ...

Sudden change in social status triggers genetic response in male fish, study finds

...opposite occurs--the hormone-producing brain cells decrease in size, the ostentatious colors and stripes disappear, and the testes shrink and the male becomes infertile. "Previously we did an experiment in which we moved the subordinate male out of the tank and put him in a situation where he could rise ...

Zinc supplements safe for HIV-infected children

...their viral load. Zinc supplementation is known to decrease the frequency of diarrhea and pneumonia in uninfected children. The study is published in the November 26, 2005, issue of The Lancet. "We set out to look at the safety and impact of zinc supplements in children with HIV. Not only did we learn that z...

How 'Dirt' Could Educate The Immune System And Help Treat Asthma

... the same time, the reduced ocean circulation will decrease the ocean mixing, which decreases the ventilation to the atmosphere of carbon injected into the deep ocean," Jain said. "Our model results show that this effect is more dramatic in the Atlantic Ocean." Sequestering carbon in the deep ocean is not a ...

Climate change will affect carbon sequestration in oceans, model shows

... the same time, the reduced ocean circulation will decrease the ocean mixing, which decreases the ventilation to the atmosphere of carbon injected into the deep ocean," Jain said. "Our model results show that this effect is more dramatic in the Atlantic Ocean." Sequestering carbon in the deep ocean is not a ...

Continued reduction in the number of drug-related deaths in the UK

... involving other illicit drugs remained stable. A decrease of about two per cent in the proportion of cases i...e previous year: in Manchester there was a notable decrease from 36 to 4; in Boston & Spalding there were 13 deaths in 2003, which reduced to 3 in 2004; Eas...

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