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Chimpanzees have long been known to kill their neighbors, and now researchers reporting in the June 22 issue of Current Biology, a Cell Press publication, think they have a motive. It appears that chimps, and especially small packs of males on patrol, kill one another to gain territory.
"The take-home is clear and simple," said John Mitani of the University of Michigan. "Chimpanzees kill each other. They kill their neighbors. Up until now, we have not known why. Our observations indicate that they do so to expand their territories at the expense of their victims."
CHICAGO (June 21, 2010) – At the beginning of 2010, as many as 17 percent of children in the United States were reported as having special health care needs. Behavioral issues, developmental disorders, cognitive disorders, genetic disorders and systemic diseases may increase a child's risk of developing oral disease, according to an article published in the May/June 2010 issue of General Dentistry, the peer-reviewed clinical journal of the Academy of General Dentistry (AGD).
Pulmonary arterial hypertension (PAH) is a progressive disease, marked by shortness of breath and fatigue which can be fatal if untreated. Increased pressure in the pulmonary artery and its branches is associated with dysfunctional growth control of endothelial and smooth muscle cells leading to excessive thickening of the blood vessel wall, obliteration of the lumen and right heart failure.
Standard radiography (X-rays) can help physicians diagnose laparoscopic adjustable gastric band slippage, a known complication of adjustable gastric banding surgery, according to a study published in the July issue of the American Journal of Roentgenology (www.ajronline.org). Adjustable gastric banding surgery is a widely used bariatric surgical procedure to induce weight loss in morbidly obese individuals.
A newly adapted low-dose computed tomography (CT) technique called adaptive statistical iterative reconstruction (ASIR) can help radiologists reduce the already low radiation dose delivered during CT colonography (CTC) by another 50 percent, according to a study published in the July issue of the American Journal of Roentgenology (www.ajronline.org).
A large, academic medical center implemented an imaging algorithm that allowed radiologists to successfully reduce the cumulative radiation exposure and number of computed tomography (CT) angiography (CTA) and CT perfusion studies performed on patients with aneurysmal subarachnoid hemorrhages (a form of stroke), according to a study published in the July issue of the American Journal of Roentgenology (www.ajronline.org).
The nature-nurture debate is usually about how much of something is due to our genes and how much is caused by our environment. New research just published in the academic journal Addiction shows that the case is more interesting for young women who smoke, drink, or use drugs, for two related reasons. First, a young woman with a genetic predisposition to substance use is also predisposed to choose friends who smoke, drink, or use drugs, thereby altering her environment in a way that encourages substance use.
CAMBRIDGE, Mass., USA, 21 June, 2010 – In the year since their 2008 preliminary ranking, Cell Press journals Cell Stem Cell and Cell Host and Microbe saw their Impact Factors surge, according to new data released in the 2009 Journal Citation Reports© published by ThomsonReuters.
In the report released June 17, Cell Stem Cell's rating rose to 23.563 - a growth of 40% from the journal's previous score. Cell Host and Microbe ranks 13.021 - boasting an increase of 75% from the journal's 2008 Impact Factor.
"The small size of an alien insect that feeds on a native tree from the western Pacific island of Guam allows it to hide in cracks and other locations that are out of reach for its only local natural enemy," said UOG entomologist Aubrey Moore.
Researchers have developed an experimental cure for Type 1 diabetes, a disease that affects about one in every 400 to 600 children and adolescents. They will present their results in a mouse model of Type 1 diabetes on Sunday at The Endocrine Society's 92nd Annual Meeting in San Diego.
One year after weight loss surgery with laparoscopic gastric banding, extremely obese adults demonstrate not only better physical health but also improved psychological health, a new study shows. The results will be presented Monday at The Endocrine Society's 92nd Annual Meeting in San Diego.
Fructose, the sugar widely used as high-fructose corn syrup in soft drinks and processed foods, often gets some of the blame for the widespread rise in obesity. Now a laboratory study has found that when fructose is present as children's fat cells mature, it makes more of these cells mature into fat cells in belly fat and less able to respond to insulin in both belly fat and fat located below the skin.
A diet rich in natural antioxidants improves insulin sensitivity in insulin-resistant obese adults and enhances the effect of the insulin-sensitizing drug metformin, a preliminary study from Italy finds. The results will be presented Monday at The Endocrine Society's 92nd Annual Meeting in San Diego.
People who donate one of their kidneys experience faster deterioration of their other kidney if they have the metabolic syndrome at the time of donation, a new study finds. The results will be presented Sunday at The Endocrine Society's 92nd Annual Meeting in San Diego.