Tag: "render" at medical news

Whole-body CT screening costs overshadow benefits

...-positive findings and unnecessary radiation might render the procedure more harmful than beneficial. "Our findings show that the average person should think twice before having a whole-body CT examination," said study author, G. Scott Gazelle, M.D., Ph.D., director of the Massachusetts General Hospital Ins...

Older people with the 'Alzheimer's gene' find it harder to 'remember to remember' even if healthy

...r-risk genotype for Alzheimer's disease appears to render even healthy older people subject to major problems with prospective memory, the ability to remember what to do in the future. For the group studied, this could affect important behaviors such as remembering to take medicine at a certain time or get...

Science of perception

...bles' subtle variations in shape and configuration render them visually difficult to identify, making them a perfect control image for the human face. After an average of eight sessions, subjects could name individual Greebles quickly and accurately. Then they were connected to 64 electroencephalogram ...

Certain components of the brain's 'executive functions' are compromised early in abstinence

...acts. Deficits in these cognitive abilities could render us debilitated, added Oscar-Berman. Depending upon the nature and severity of the deficits, we might not be able to remember things from one moment to the next, which could interfere with our ability to learn anything new. Neither would we be able ...

Novel imaging technique shows lymph nodes, metastases in breast cancer without surgery

... recovery and survival, even direct inspection can render it less than clear. Which node is the sentinel, closest in flow from the breast? Which in line after that should be the last to take? Also, lymphatic vessels are not always easy just to find. Theyre not like bone or a major organ, Brechbiel points ou...

Better research needed to assess psychological and social effects of cannabis

...social terms; problems with the available evidence render it equally unable to support this proposition. Better evidence is needed in relation to cannabis, which is widely used, and in relation to other drugs that, although less widely used, might have important effects". In an accompanying Commentary (p 1...

Researchers open new line of attack on tuberculosis

...use of theirunique, multilayered cell walls, which render them virtuallyinvulnerable to easy treatment. In the research reported today,however, UW chemist Laura L. Kiessling and her team have detailedthe workings of a key enzyme the bacteria use to maintain theintegrity of their cell walls. Enzymes are prot...

Orthokeratology contact lenses cause permanent vision loss in children

...nd to cause the ocular surface to swell, which may render the corneal surface more susceptible to the formation of ulcers. According to the study, other problems with OKLs are: The cost, which is approximately 10 times that of a pair of traditional gas-permeable lenses. Children often hav...

Concerns over the value of animal experiments

...if the quality of the experiments is so poor as to render the findings inconclusive, then the research will have been conducted unnecessarily. The scientists call for a programme of research to review existing animal data, to find out whether the animal research can be applied to humans. Professor Ian Robe...

Rutgers scientists pinpoint brain cells involved in drug addiction relapse

...rovoke a relapse. These environmental stimuli may render an addict vulnerable to a return to compulsive drug use. "We've identified a part of the brain that appears to process these memories," said Rutgers psychology professor Mark West. "This might be one of the brain areas that a very skilled pharmacolo...

Making cancer cells susceptible to therapeutic attack

...lular switches that need to be turned on or off to render cancer cells more sensitive to therapeutic injury," Cook said. In the present study, Cook and his colleagues examined a chain of molecular events that occur when cancer cells are confronted with one of the battery of chemicals produced by the immune ...

Eating high-fat meal raises blood's proinflammatory factors; vitamins E, C counter response

...ts.) "On the other hand, we found that one way to render an 'unsafe' meal 'safe' is to include antioxidant vitamins," Dandona said. "The proinflammatory effect of glucose is stopped if right at the outset you give vitamins E and C." The "meal" study was conducted with nine normal subjects who ate a 900-ca...

Placebo, antidepressant may lift depression via common mechanism

... these lower brain areas in placebo responders may render them at higher risk for relapse, which several previous clinical studies have shown. Although both placebo and antidepressant responders showed increased activity in the posterior cingulate (see graphic) at 6 weeks, this change had already occurred...

Genetic connection in link between permanent hair dye use and bladder cancer risk

...in the body metabolize those arylamines, trying to render them harmless. The body expels the chemicals through urine, which passes through the bladder.The efficiency of these protective enzymes depends on genes that provide the recipe for making the enzymes. The genes come in fast and slow varieties. The re...

New medical system for colon cancer screening

...ng algorithms that comprise the techniques used to render the virtual colon and visualize it interactively i... used in scientific data visualization and also to render battlefield scenes....

First report on sublethal effects of smoke available from NIST

...ape route, reduce his or her escape speed, or even render a person unable to escape (incapacitation). Under industrial support through the National Fire Protection Associations Fire Protection Research Foundation, a NIST and NFPA fire safety research team recently published the first progress report of a mu...

NYU researcher unveils the scientist in painter Chuck Close

...osand Pompeii. However, none used coarse grids to render three-dimensionalshapes, so there is no duality. The mosaics and the pointillist grids are toofine to readily disintegrate into flat marks, and Lichtenstein's benday screensare uniform, so they're always flat, at all distances. The only precendent ...

Learning with a digital brain

...th aconsiderable challenge in computer graphics to render them useful. "By the third sectioning, the brain was basically in cubes, so there were plentyof cut marks and other defects that I had to airbrush out to arrive atacceptable images." Sylvius, includes more than 1,500 such images, organized...

Women, men view and judge childhood sexual abuses cases differently

...y, 85 subjects were asked to weigh the evidenceand render a verdict in either a childhood physical or sexual abuse case basedon an actual civil complaint. Evidence was presented in concise, neutralsummaries of statements made by a female plaintiff and male defendant. Thesummaries of the two cases were iden...

Insulin Resistance And Obesity Avoided In Genetically Modified Mice, As Reported In Science

...rwindow of opportunity for insulin signaling could render PTP-1B-deficient micemore sensitive to the effects of the hormone. PTP-1B also appears to play a role in regulating metabolism, asevidenced by the fact that the knockout mice resisted gaining weight moresuccessfully than the normal mice. Howe...

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