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Tag: "mean" at biology news

St. Jude study solves mystery of mammalian ears

... force for amplifying sound in mammals, this would mean that prestin is the reason mammals amplify sound so efficiently,” Zuo said. In the current study, Zuo and his team conducted a complex series of studies that showed in mammals that the role of somatic mobility driven by prestin is not simply to mod...

Dual-imaging technique useful before -- and during -- brain surgery

...ctional MRI testing. “That doesn’t necessarily mean that there’s no function there—it may just be that functional MRI is not sensitive enough to detect it,” says Leach....

Alzheimer's disease to quadruple worldwide by 2050

... by 2050, because slower disease progression would mean more people surviving with early-stage disease symptoms. However, nearly all of that decline would be attributable to decreases in those needing costly late-stage disease treatment in 2050. The largest increase in the prevalence of Alzheimer’s wil...

Nurtured chimps rake it in

... Boysen, who led the study, “We think our findings mean that the conditions under which chimpanzees are raised, housed, and maintained have long-term effects on their cognitive development, and offer direct comparisons with early experience, issues of attachment, and preschool education for human infants ...

Risk of stroke doubles if diagnosed with Type 2 diabetes

... recently diagnosed with Type 2 diabetes and had a mean age of 64 years. After five years of monitoring, stroke incidence rates were compared between the cohort and the general population. “What we found is that 9.1 per cent of the diabetes cohort had a stroke within the first five years of their diagn...

Experimental gene therapy 'abolishes' arthritis pain and lessens joint damage

...uraging inflammation. This two-way "crosstalk" may mean that arthritis in one joint can spread, through the central nervous system (CNS), to other joints. Worse yet, joint arthritis may export inflammation to the brain, where it plays a role in neurological conditions (e.g. Alzheimer’s disease, dementia a...

Skimmed milk -- Straight from the cow

...ated fats – which are good for you – then it might mean that people change back to whole milk products. The big thing about dairy products is taste, so this would be a way of giving the benefits of taste without the disadvantage of saturated fats,’ according to Komorowski. This may also overcome the pr...

'Virtual Patient' to simulate real-time organ motions for radiation therapy

... These opportune moments during the actual therapy mean that doctors will have more confidence delivering the radiation to a moving tumor. "The 4-D VIP-Man will allow doctors and medical physicists to accurately predict and monitor these anatomical changes to provide the most effective treatment possib...

Arctic ice retreating more quickly than computer models project

... 1953-2006 period, was three times larger than the mean from the computer models. March is typically the month when Arctic sea ice is at its most extensive. The Arctic is especially sensitive to climate change partly because regions of sea ice, which reflect sunlight back into space and provide a cooli...

Machine preservation may promote more organ sharing

...ere out of the body for a longer period of time (a mean of 24 hours versus 19 hours for the cold stored organs), both groups of recipients had similar survival and functional outcomes. In addition, the patients receiving machine-preserved kidneys had a 50 percent reduction in the rates of viral infections...

Maggots rid patients of MRSA

...ith MRSA and found all but one were cured within a mean period of three weeks, much quicker than the 28-week duration for the conventional treatment. Professor Boulton, who published the results in the journal Diabetes Care, has now been awarded a £98,000 grant by Diabetes UK to carry out a randomized ...

Corals -- More complex than you?

...ime that corals have endured. Despite all they mean to Australia and have to offer science and medicine, our corals remain genetically largely unexplored, Prof. Miller says. "There is no project to sequence the coral genome, in spite of the tremendous benefits to medicine and other branches of science...

8 plants from South Africa may hold potential for treating high blood pressure

...San Diego, CA, USA). All values were expressed as mean ± SEM. A probability where p Results: Eight of Sixteen Plants Showed ACEI Eight of the 16 plants demonstrated ACE inhibition activity. The plants were then subjected to a gelatin salt block test for tannins to eliminate any false positive resu...

Herpes infection may be symbiotic, help beat back some bacteria

... immune systems at a fundamental level. This could mean the virus-free animal models scientists use to study vaccines, autoimmune diseases, and other immune system issues have the potential to produce misleading results. "Chronic virus infections may in part define what a normal human immune response i...

Get a whiff of this: Smell test could sniff out serious health problems

...ind of test would be difficult.? So what does it mean if a child, or someone unlikely to have an age-related disease, flunks the sniff test? “If they fail our test, that’s a pretty good indication that there’s something wrong with their sense of smell. Maybe there’s an obstruction ?a deviated septum or ...

Studies force new view on biology of flavonoids

...fectual as antioxidants in the human body does not mean they are without value, Frei said. They appear to strongly influence cell signaling pathways and gene expression, with relevance to both cancer and heart disease. "We can now follow the activity of flavonoids in the body, and one thing that is cle...

Glucose triggers brain cell death in rats after hypoglycemic coma

...ively enough. The results of this one paper do not mean that clinicians should take an overly cautious approach to hypoglycemic coma." In his own current research, Swanson is investigating the possible roles of glucose and NADPH oxidase as agents of oxidative stress in a rodent model of ischemic stroke...

The sturdier sex? -- Study by Pittsburgh scientists finds female stem cells work better

...opulations of stem cells had an RI higher than the mean RI of the male cells (95). This difference may arise from innate sex-related differences in the cells?stress responses, according to Dr. Deasy, an assistant professor in the Departments of Orthopaedic Surgery and Bioengineering at the University o...

Enhancing activity of marijuana-like chemicals in brain helps treat

...er and Malenka cautioned that their findings don't mean smoking marijuana could be therapeutic for Parkinson's disease. "It turns out the receptors for cannabinoids are all over the brain, but they are not always activated by the naturally occurring endocannabinoids," said Malenka. The treatment use...

Are one-third of costly implanted heart devices unnecessary? New study suggests yes

...out raising their risk of sudden death. That would mean that Medicare could be spared the additional $90,000 lifetime cost of each device compared to best medical therapy. The study, published in the January issue of the Journal of the American College of Cardiology, is based on data from 768 patients ...

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