Tag: "smaller" at medical news

Research at Great Lakes meeting shows more vitamin C in organic oranges than conventional oranges

...n produce. "Quite often, organic goods come from smaller farms that market their goods with provocative labels such as healthy,' delicious,' or natural'," he said. "These statements are generally made without reference to any comparable standards." Clark added that he chose oranges to begin the assessmen...

RSV prevention protects preemies' lungs for many years

...pared to 40% (5/13) in the RSV prevention group. A smaller percentage of the children in the RSV prevention group were diagnosed with asthma, although the difference was not statistically significant. "The children who received the RSV prevention are clearly healthier," said Dr. Wenzel. "Difficulty finding m...

Studies call for quality assurance in selecting candidates for herceptin trials

...e laboratories and central testing facilities than smaller laboratories. "Given the cost and potential cardio...e measurement of HER2 in individual patients means smaller sample size for clinical trials, fewer inconclusive or erroneous clinical trial results, and avoidan...

Gene linked to testicular cancer

...ite organism of researchers in labs. Its genome is smaller -- only 12,000 genes compared to 30,000 to 40,0000 in humans -- and the genes are easier to manipulate in the lab, Lin said. "Because of its small genome, Drosophila only has room for genes with essential biological functions, such as those that ar...

Writing nanopatterns with DNA inks

... And by putting in more information per unit area, smaller sample sizes would be required, reducing cost and time. "Our direct-write patterning of multiple DNA strands also opens up new possibilities for building and studying nanoscale architectures," said Mirkin, also George B. Rathmann Professor of Chemist...

American Heart Association weighs in on fat substitutes

...ortion size or total calories," she says. "Eating smaller portions of food and increasing physical activity are still the most effective ways to lose weight and maintain a healthy weight." The problem is that the plethora of 'fat-free' products has led to consuming more sweet rolls, cookies and frozen yogur...

Urine test predicts Alzheimer's disease

...nd whose brain's hippocampus region is shown to be smaller as measured in an MRI scan. "One hypothesis is that, in AD, healthy brain tissue is damaged by the local formation of large amounts of free radicals," said Pratic. "Isoprostanes are the byproducts of fats in the human body that were warped by free ...

Buck researcher makes progress in fight against Huntington's Disease

...ng neurons or indirectly by cleaving proteins into smaller toxic fragments that threaten the survival of neurons. "Previous work on Huntington's disease showed that calcium dysregulation was involved in pathogenesis, and the calpain discovery ties this knowledge together nicely," Dr. Ellerby said. "This is...

Adaptive optics technology provides powerful tools for eye doctors

...r vision science. "It is much cheaper and 25 times smaller than previous devices, so it would be compatible with an instrument designed for use in a doctor's office," Williams said. The applications of adaptive optics in vision science have received considerable impetus from the knowledge developed by astron...

Mad hatters, seafood jubilees, & Pfiesteria Files

... Flounder, stingrays, eels, blue crab, shrimp and smaller fish are trapped at the shoreline. The lack of oxygen causes them to behave strangely as they move slowly and struggle for air, and it gives residents a chance to capture some of the victims. As many as several thousand pounds of fish and shellfish...

Study finds no association between oral contraceptive use and breast cancer for women 35 and over

... cancer risk. In fact, a 1996 formal review of 54 smaller studies conducted over the past 25 years found a slightly increased risk of breast cancer in women who were current or recent users of oral contraceptives. Other previous studies did not find an increased risk of breast cancer among oral contracepti...

CWRU/University Hospitals of Cleveland researchers investigate new cancer treatment

... drug delivery device, a biodegradable polymer rod smaller than the tip of a lead pencil, to help treat liver...e-guided minimally invasive procedure. Each rod is smaller than the tip of a sharpened pencil and provides dual release kinetics of an anti-tumor agent -- an i...

Study confirms air pollution linked to slowed lung function growth in children

...y disease and may be more likely to have weaker or smaller lungs and have chronic respiratory problems as adults. "Given the public health importance of these findings, it is imperative that we accelerate our efforts to achieve clean air in Southern California," says John Peters, M.D., D.Sc., Hastings profes...

Study sheds light on 'dark side' of the knee

...e two bones of lower leg, the larger tibia and the smaller fibula. The kneecap, or patella, protects the joint. When the posterolateral corner is not aligned properly after reconstruction, the tibia and femur rotate more than normal, which puts undo forces on the joint and leads to the failure of the reconst...

New research suggests drugs might help women at risk of breast cancer

...It involved more than 13,000 women. The two other, smaller tamoxifen studies were conducted in Europe and did not reveal a statistically significant benefit. "Only a few women in each of those trials took tamoxifen during the entire study period, and so that might be the reason there was no observed benefit,...

New method of turning off viruses may help control HIV infection, says Jefferson scientist

...s that dsRNA is cut up by an enzyme, "Dicer," into smaller siRNAs, which in turn attach to RNA being made by the cell, rendering it useless. Scientists showed recently that RNAi could work in mammalian cells. In the current issue of Nature Medicine, researchers at Massachusetts Institute of Technology repor...

Breakthrough! UNC scientists' research promises improved X-ray machines using carbon nanotubes

... we think it will, we can make such machines a lot smaller and cooler and be able to turn them on and off much faster," said Dr. Otto Z. Zhou, associate professor of physics and materials sciences. "Other advantages are that they should be cheaper, be safer in terms of the lower heat generated, last longer, ...

Women cured of childhood leukaemia should be advised to have children while they are young

...leukaemia (ALL) and found that they tended to have smaller ovaries with fewer follicles (the group of cells c...the ALL group had ovaries which were significantly smaller than the control group (12.3 ml in total volume compared with 13.7ml), and the total number of antra...

Treatment guidelines for HIV infection announced by international panel of AIDS experts

...enient regimens (e.g., once daily dosing regimens, smaller pill size, protease inhibitor "boosting" strategies, etc). Designing a new regimen after treatment failure remains an important clinical issue. Viruses resistant to an increasing number of drugs raise challenges, both for the clinicians who need to d...

Drug developed at Duke appears effective in treating respiratory failure in newborns

...e of extracorporeal membrane oxygenation (ECMO), a smaller version of the heart-lung machine used in surgery, which adds oxygen and removes carbon dioxide from the blood. The second approach is the use of inhaled nitric oxide (NO), a gas that is known to help relax blood vessels. Without either or both of th...

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