Tag: "disturbances" at biology news

Prenatal Stress Keeps Infants, Toddlers up at Night, Study Says

...epressed during pregnancy. These prenatal mood disturbances worked as reliable predictors of childrens sleep p...or biological hints as to why sleep and behavioral disturbances so often crop up together. In the meantime, pregnant women concerned about how their own mood-dis...

Mice with a migraine show signs of brain damage

...ications for migraine.? The work puts the visual disturbances known as auras that many migraine sufferers report...r some other visual changes. Nedergaard says those disturbances might actually be a visual sign that parts of the brain are short of oxygen. In the work describe...

Scientists: As rainfall changes, tropical plants may acclimate

...e environmental niches ?and thus very sensitive to disturbances of those niches. That could be good for the plants because climate change is expected to radically alter rainfall patterns in the tropics. But it comes with a caveat: Nutrient uptake is only one of many ingredients in plant life. Other unrelated c...

Out-of-body experiences may be caused by arousal system disturbances in brain

...fetched to some, but for those with arousal system disturbances in their brains, it may not be a far off idea that they could sense they were really outside their own body watching themselves. In previous studies of more than 13,000 Europeans, almost 6 percent said they have had such an out-of-body experience. D...

Sleep disturbances affect classroom performance

...(JCSM) finds that adolescents who experience sleep disturbances are more likely to receive bad grades in school. ...provides additional evidence indicating that sleep disturbances occur at high frequencies in adolescents and significantly affect daytime performance, as measured b...

Uganda's mountain gorillas increase in number

...stern side of the park, a possible result of human disturbances there. Particularly encouraging, however, is that one group of gorillas are starting to use the northern sector of the park for the first time in living memory. Bwindi is also home to a thriving gorilla ecotourism program, which generates much nee...

How to manage forests in hurricane impact zones

...loped an approach that considers all the potential disturbances in an area—the threat matrix—then assesses the ris... those managing the recovery (long-term). "If disturbances such as major hurricanes are in the threat matrix of an area, policies and procedures should be in p...

Prehistoric mystery organism verified as giant fungus

...y probably grew too slowly to rebuild from regular disturbances of any kind, Boyce said. "It’s hard to imagine these things surviving in the modern world," he said....

Coral stress 'like never in history'

...fi and his team were able to see where large scale disturbances had occurred in the history of these reefs which dated back as far as 11 000 years ago. "The sequence of fossils is like a three dimensional movie of what happened in the reefs?past," says Pandolfi. Over the 6000 years recorded in the fossil ...

Exposure to dioxins influences male reproductive system, study of Vietnam veterans concludes

..., said, "We know that dioxin causes many endocrine disturbances in the human body. The study indirectly proves that BPH is an endocrine disorder." Regarding the decreased risk for BPH found in the veterans groups, Dr. Gupta cautioned that the finding should not be interpreted as a positive result. "It may b...

Dragonfly's metabolic disease provides clues about human obesity

...poorly understood despite intense study. "Might disturbances in the microbial balance of human intestines trigger an immune system response that leads to metabolic disease?" Marden and Schilder asked. "More attention should be paid to the microbial balance in the intestines of people who suffer from obesity,"...

Technology for monitoring fetal oxygen during labor offers no apparent benefit

...the health of the baby, especially when there were disturbances in the fetal heart rate during labor. "The results of this study show that while a new technology may appear to be very promising, it's not possible to know how effective it will be until it can be fully tested under clinical conditions," said Dua...

Device effective in zapping the pain out of migraines

...n, before they lead to headaches. Auras are neural disturbances that signal the onset of migraine headaches. People who suffer from migraine headaches often describe "seeing" showers of shooting stars, zigzagging lines and flashing lights, and experiencing loss of vision, weakness, tingling or confusion. What typ...

New tool tracks brain development in babies

...to monitor brain development in infants and detect disturbances in white matter, according to a study in the July issue of Radiology. Carola van Pul, Ph.D., and colleagues from Máxima Medical Center in Veldhoven, the Netherlands, studied seven normal infants and 10 infants with perinatal hypoxic ischemia, a type...

St. Jude projects 90 percent cure rate for ALL

...on of the brain can cause second cancers, hormonal disturbances and disruption of intellectual development as the child grows. So our omission of the use of irradiation should further reduce acute and long-term toxic side effects and improve outcome." Coupled with the successes of the recent past, future treatme...

Cell therapy slows progression of an inherited neurological disease; Improves motor skills in mice

...y changes, spasticity, progressive dementia, motor disturbances progressing to paralysis, and blindness. There is no cure; the only current treatment is a bone marrow transplant. Ernesto Bongarzone, PhD, and his colleagues at the San Raffaele Scientific Institute in Milan, Italy, transplanted cells that produce...

Penguins okay with human visitors?for now

...a shows that quantifying the consequences of human disturbances on wildlife is rarely simple and straightforward." Magellanic Penguins nest in coastal colonies along the southern Atlantic and Pacific oceans of South America. The penguins in the study live in the largest and most visited colony of Magellanic Pen...

Logging doubles threat to the Amazon, rivaling clear-cutting, study suggests

...le map of the ubiquitous but very diffuse types of disturbances that exist in Brazil or in any tropical forest," Asner said. The researchers found that, from 1999 to 2002, selective logging added 60 to 128 percent more damaged forest area than was reported for deforestation alone in the same study period. The ...

Bone marrow stem cells may heal hearts even years after heart attacks

...til now irreversible heart complaints and function disturbances in patients with chronic coronary artery disease after myocardial infarction, even many years after heart attack. Therefore there is hope for this large amount of patients with previous myocardial infarction and non-treatable complaints," said Bodo E...

Molecular trigger for Huntington's disease found

...brain cells. The researchers also speculated that disturbances in p53 may also play a role in some forms of Parki...our findings provide a molecular mechanism linking disturbances of nuclei and mitochondria in HD." Byoung-Il Bae, Shuichi Igarashi, Masahiro Fujimuro, Nishant Agra...

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