UGA researchers receive $1.3 million CDC grant to study workplace physical activity intervention
Workers may be taking more exercise breaks than snack breaks in the future if a team of University of Georgia exercise and health researchers finds that workplac...Study examines reasons for late-stage breast cancers
... process. To establish where the screening process breaks down and where changes in care might have the greatest impact, Stephen H. Taplin, M.D., M.P.H., now at the National Cancer Institute, and colleagues in a consortium of integrated health plans, The Cancer Research Network, conducted a retrospective ca...Melanin makes skin vulnerable to harmful ultraviolet rays
... mice with UV rays that are about the same as what breaks through the ozone layer, affecting humans. The cell death was concentrated around the hair follicles, which are the only location of melanin in mice. Dying cells were particularly pronounced in the yellow-haired mice and was absent in albinos. "What...Endoscopic approach best for repairing bone defect between brain, nasal cavity
The best approach for repairing breaks in the thin bone that separates the brain from the... brain also can move into the nasal cavity through breaks in the thin bone at the base of skull and between the eyeballs, he says. The study looked at ...Scientists image tooth decay in the 3rd dimension
...laque (bits of food and drink mixed with bacteria) breaks down. Fizzy drinks are particularly bad for teeth because they contain acid which begins to cause decay straight away. This leads to the break-down of the enamel (the protective surface coating) and mineral loss occurs. At this stage, re-mineralizati...Envisat witnesses return of the South Polar ozone hole
..., but ultraviolet radiation high in the atmosphere breaks them down into their constituent parts, which can be highly reactive with ozone. Just because they were banned does not mean these long-lived chemicals have vanished from the air, so scientists expect the annual South Polar ozone hole to continue t...Why youngsters try to do impossible things
...n between the two systems in the brain momentarily breaks down, and the size of an object is not incorporated into a child's decision to act on it," she said. "However, once the action begins, children do use size information to adjust their motor behavior." In deciding to get into the miniature car, chil...American Academy of Neurology sums up scientific highlights from 56th Annual Meeting
...wth factors to encourage nerve regrowth. It slowly breaks down as it is replaced by normal tissue. [S66.006] Researchers from Germany demonstrated the medical potential of stem cells derived from adult human bone marrow. These stem cells can be converted into neural stem cells, and may be useful for treatme...Newly-described route to cancer solves a mystery in lung cancer
...ssing and we speculate this is a fragile site that breaks easily in response to exposure to cancer causing agents," says Roth. "This is a very early change that we see in stage one cancer, and carcinoma in situ. We also see it in the lung cells of smokers who do not have cancer." The researchers found that ...Illegal drug use causes painful complications for oncology patients
...r safety reasons," said Kedziera. "If the patient breaks their word, we have to re-visit how we manage that patient's pain." A complete pain management center, such as the one at Fox Chase, offers a group of pain specialists available to patients 24 hours a day, seven days a week. Social workers are also ...Sounds of New York, evidence for a preferred ear, ultrasound for the eye
...discuss an idea for improving soundscapes with tax breaks (2aNS6). MEDICAL ULTRASOUND ENTERS NEW TERRITORY The brain is arguably the final frontier for medical ultrasound. It's the most difficult part of the body in which to aim ultrasound: The skull causes ultrasound to bounce around drastically, making ...Successful therapy for head and neck cancer may lead to long-term circulatory problems
...ic free radicals and leads to faulty repair of DNA breaks and cell death. Responses to radiotherapy occur in time frames of hours (nausea, vomiting), days (erythema), weeks (bone marrow supression), months (fibrosis), and years (carcinogenesis). Among survivors of the cancer itself, late effects on "bystand...Cell research uncovers intriguing clues to 'Trojan horse' gene in HIV infection
...horse, a safe haven for the virus to hide until it breaks out of latent infection to destroy other cells," said Dr. Finkel. Dr. Finkel is pursuing further investigations to establish whether HALP indeed triggers the anti-apoptotic functions she discovered in the current study. By shedding light on addition...Hopkins' young researchers honored for their contributions
... and two mechanisms cells use to create and repair breaks in their genetic material. The discovery, for which Jiang will receive this year's David I. Macht Award, explains why recombination of DNA -- a key step in creating the immune system's versatility -- only happens at certain times in the cell. Funded ...Jefferson scientists use zebrafish to show effects of ionizing, UV radiation differ in development
...ch of the damage from ionizing radiation is due to breaks in both strands of the cell's double-stranded DNA. When the fish were exposed to UV light, the DNA formed "crosslinks" in which two thymine bases form on the same strand next to each other. The cell uses entirely different repair mechanisms to fix bo...Scientists identify crucial gene for blood development
...at results when the chromosome on which it resides breaks apart at that location. This chromosomal mishap le.... Scientists have previously found that chromosome breaks can damage other genes necessary for blood system development, and at least four such genes have bee...Aggressive heart therapies still underused, despite blood chemical status
...ls that leak into the bloodstream as the cell wall breaks apart during cell death. The difference between the two is that troponin is only released by heart muscle, while CK-MB can be released by both dying heart and skeletal muscle. In their analysis of a heart attack registry of almost 30,000 patients, th...USC study finds hormone supplement used by athletes may not increase testosterone
...hand for dehydroepiandrosterone, is a hormone that breaks down into various sex hormones, including testoste...s not stay long in the blood, but instead, quickly breaks down into other hormones associated with prostate gland growth. "Our study showed that taking DHEA d...Research clarifies how Alzheimer's medicines may reduce interference with learning and memory
...rs boost acetylcholine by reducing the enzyme that breaks it down. Understanding their effects on major symptoms during disease progression may help scientists develop more targeted and effective drugs, as well as to avoid medications that may be detrimental to memory function. A total of 28 young healthy a......stem go from one point to another. When the myelin breaks down, as in multiple sclerosis or the leukodystrophies, electrical signals degrade. It's as if a crisp and clear phone conversation between two people speaking on land lines suddenly becomes patchy, sporadic and intermittent, as if they were speaking...