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Tag: "impact" at biology news

Cigarette smoking impedes tendon-to-bone healing

...ugh evidence to state that nicotine has a negative impact on healing in tendons as well as in bone." As to how nicotine works to interfere with healing, Galatz says it's still too early to tell. "We would have to look much more closely to learn exactly what the mechanism is, but blood supply is a pote...

Reading Shakespeare has dramatic effect on human brain

...asons why Shakespeare's plays have such a dramatic impact on their readers. Professor Neil Roberts, from ...eas of the brain are most affected and the kind of impact it could have in maintaining healthy brain activity. Professor Davis added: "This interdisciplinar...

Researchers examine why food tastes bad to chemotherapy recipients

...dysfunction. "Unfortunately, these problems that impact nutrition and quality of life are underestimated and understudied by oncologists," said Andrea Dietrich, Virginia Tech professor of civil and environmental engineering (CEE). Dietrich believes there are two components to the metallic flavor –?the ...

China's environmental challenges

...periment," and one that will have an unprecedented impact on the world as a whole. The journal's research c...rking on issues ranging from public transit to the impact of mega-dams. ...

76 percent of workers older than 60 years of age are overweight or obese

...covered that 12% presented this problem. The major impact of cardiovascular illness is the reduction of productivity and the elevation of mortality. On the other hand, it was demonstrated that arterial hypertension, the alterations of the glucose metabolism, hypertriglyceridemia (excess of triglycerides ...

Coral reefs are increasingly vulnerable to angry oceans

...bara. "However, to really predict how these events impact the dynamics of coral reefs we needed a way to qua...rdingly, we needed to know exactly how wave forces impact who lives and who dies on the reef. These new models provide us with that essential tool." ...

PLoS ONE is launched by the Public Library of Science

...- and post-publication peer review to maximize the impact of every report it publishes. PLoS ONE is published by the Public Library of Science (PLoS), the open access publisher whose goal is to make the world's scientific and medical literature a public resource. PLoS has taken a close look at the way sc...

Researchers discover new gene responsible for brittle bone disease

...ey have an inherited form of OI could have a major impact on their future health and quality of life." Study Details In the study, mice were genetically engineered by the Baylor team with the CRTAP gene removed, and then monitored for signs of abnormalities. Results showed that the mice were unable to...

NASA study: Alaskan fires affected Houston air quality in 2004

...e study is the first to quantitatively examine the impact of remotely generated pollutants on air quality in the lower atmosphere. In the summer of 2004, researchers in a NASA-led field research project sampled a variety of trace gases and aerosols ?tiny particles suspended in the air ?across North America...

Chemotherapy temporarily affects the structures of the human brain

...of chemotherapy has had substantial and beneficial impact on cancer survival rates, it is also linked to significant short- and long-term adverse effects. Gastrointestinal complaints, immunosuppression, and painful mucositis, for example, are the immediate risks of the treatment. Patients receiving chem...

Study offers window into human behavior, brain disease

...signals, further supporting the idea that they may impact behavior. It's possible, says Seeley, that scientists will be able to figure out what these neurons normally do. But it won't be easy. "These are such abstract brain capacities we're talking about…It's not like analyzing movement of your right ar...

Recurrence of a flu pandemic similar to infamous 1918 flu could kill 62 million

...e would die. This could represent a devastating impact on global mortality, more than doubling deaths from all causes in a single year. However, only four percent of these fatalities would occur in the developed world. The developing world would absorb the remaining 96 percent of deaths--an estimate that...

Five new technologies that promise to transform medicine

...ey cause disease. The individual and collective impact of these technologies is already present in some a...cts of contemporary medicine and the rate of their impact is increasing, he concludes....

Plutonium or greenhouse gases? Weighing the energy options

...e to ten over current levels to have a significant impact on greenhouse gas emissions. "We currently have 40... nuclear weapon to be a pretty large environmental impact with global implications," Ewing said. "A typical nuclear weapon will kill many, many hundreds of th...

Why Popeye only has eyes for spinach

...etables rich in these chemicals will have a direct impact on the disease. "Since macular pigment is wholly derived from our diet we would expect that eating foods containing high levels of these compounds increases macular pigment and so helps slow the degenerative process. This latest study on volunteers...

Study suggests evolutionary link between diet, brain size in orangutans

...s are poorer, access to fruit is most iffy and the impact of El Niño events can be significant. Those factors "converge to produce an environment for orangutans of eastern Borneo that is at times seriously resource-limited," the scientists wrote. During extensive fruit-short periods, the animals have to "...

'Fruit fly dating game' provides clues to our reproductive prowess

... the end of the Cretaceous Period. The Chicxulub impact may, in fact, have been the lesser and earlier of ...rmany. A final, much larger and still unidentified impact 65.5 million years ago appears to have been the last straw, exterminating two thirds of all species ...

Far more than a meteor killed dinos

... the end of the Cretaceous Period. The Chicxulub impact may, in fact, have been the lesser and earlier of ...rmany. A final, much larger and still unidentified impact 65.5 million years ago appears to have been the last straw, exterminating two thirds of all species ...

New path from estrogen to survival in breast cancer cells described

...activity of NFkB, but BCA3 alone does not have any impact on NFkB," says Yeh. Then they looked at how this NEDDylation further works to suppress the ability of NFkB to transcribe (activate) other genes. Here the investigators found SITR1, the molecule known to prolong life span in several other species. S...

UGA scientists unravel 'molecular inch-worm' structure of walking-pneumonia bacterium

...n M. pneumoniae. "In addition to its significant impact on public health, M. pneumoniae is intriguing from a biological perspective," said Krause. "They have no cell walls, and their genome is among the smallest known for a cell capable of a free-living existence." Other researchers, using electron micr...

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