Evolutionary in Medical News

Completely Neutral Evolutionary Changes Helped Shape Our Genome

Johns Hopkins researchers have revealed that many of the genetic bits and pieces that drive evolutionary changes do not confer any advantages or disadvantages to humans or other animals. Nicholas Katsanis, Ph.D., Associate Professor at Hopkins' Institute of Genetic Medicine said that the H...

Selective eating just an evolutionary trait?

Babies will put almost anything in their mouths. But as children get older, they become more selective about what they eat,// particularly if they have not tried it before. Green vegetables and meat can be particularly troublesome.But scientists say thousands of years ago toxins in plants could ...

Yerkes researchers propose ambitious new strategies for AIDS vaccine research

...; unlock the secrets of memory; determine behavioral effects of hormone replacement therapy; address vision disorders; and advance knowledge about the evolutionary links between biology and behavior. ...

Researchers Discover the Tale Behind Short Dogs

... Dachshunds, corgis and others may trace their height to an evolutionary event THURSDAY, July 30 (HealthDay News) -- Certain breeds of dogs may have developed distinctively short legs following a single change ...

Ochsner Medical Center, Only Louisiana Hospital Listed in 'America's Best' by U.S. News

...d care-related factors such as nursing and patient services. Urology (ranked 40 th): In 2005, Ochsner's Urology Department implemented the evolutionary robotics system, daVinci, improving patient recovery times with less pain. "In four short years, Ochsner has grown into an international leader in rob...

Two Fred Hutchinson Cancer Research Center Scientists Receive Presidential Early Career Award

...adership, education or community outreach. An evolutionary biologist, Malik is an associate member of the Hut...raging within a cell's nucleus as genes jockey for evolutionary dominance. These clashes can have a long-term impa...o educating the general public about the role that evolutionary biology plays in the current understanding and pra...

Ancient fossils shed light on anatomical changes accompanying evolution of first land vertebrates

...ty of Oregon, and Brian Sidlauskas of the National evolutionary Synthesis Center in North Carolina. The resear... animal's body change size at different rates over evolutionary time, that can generate changes in body shape from..." Moreover, some changes are consistent with an evolutionary quirk known as paedomorphosis, in which species re...

21st Century Obesity Pandemic Still Suffering From Effects of Tuberculosis Plague of the 1800s

... whenever the defenses of the body were down. These times included periods of starvation, illness and old age. The presence of the TB infection led to evolutionary forces that caused a shift in the body's budgeting of calories. More calories were spent on defense at every level of calorie banking. The pro-inf...

Ambulatory Surgery Centers 'Pivotal' in Moving Outpatient Surgical Services Into Less Expensive, Clinically Appropriate Settings

...nificant changes in insurance coverage and advancement in the pain management clinical treatments have evolved in the past 5 to 7 years. Taking these evolutionary events into context, the growth rate for pain management procedures in ASCs is consistent with the growth rate for pain management procedures across a...

Evolution May Have Made Humans More Cancer Prone

...e the finding when comparing gene expression in the brain, testes, liver, kidneys and heart of chimps and humans. Chimps, which are considered human's evolutionary kin, have lower cancer rates than humans -- a fact that McDonald said has always intrigued him. "The results from our analysis suggest that humans ...

Apes Love a Good Laugh, Too

...ds "phylogenetically" -- that is, how they corresponded to well-established evolutionary similarities and differences between the different apes species and humans....dence that laughter in great apes and humans has its origins with mankind's evolutionary ancestors. In fact, the researchers point to the origin of laughter in a...

Veiovis Launches Medical Travel Web Portal

...eler who seeks an uncomplicated, pleasurable experience in customized, coordinated healthcare between domestic and overseas doctors and hospitals. The evolutionary result of TakeCare Insurance's 20-year experience in overseas patient care, Veiovis brings a proven track record in delivering significant cost-saving...

Women may not be so picky after all about choosing a mate

...than men in choosing that special someone to date, according to the speed dating study. That finding, of course, is contrary to well established evolutionary explanations about mate selection. An abundance of such research suggests that women are influenced by higher reproductive costs (bearing and raising ...

Biologists Question Animal Brain Size Theory

...at the American Museum of Natural History, said in a museum news release. "If you only analyze living forms, you often don't correctly reconstruct the evolutionary transformations. Our research shows another example of this, and indicates that the Social Brain Hypothesis does not hold for all Carnivora." Past...

J. Craig Venter Institute Awarded $43 Million, Five Year Contract From NIAID to Continue to Develop and Provide Sequencing, Genotyping, and Bioinformatics Expertise and Services in Infectious Diseases

...he public, and policymakers. Founded by J. Craig Venter, Ph.D., the JCVI is home to approximately 400 scientists and staff with expertise in human and evolutionary biology, genetics, bioinformatics/informatics, information technology, high-throughput DNA sequencing, genomic and environmental policy research, and ...

Mayo Clinic Proceedings: The evolution of migraine from episodic headache to chronic disorder

...st include an invitation to comprehend and address all migraine-related health issues facing patients, Dr. Cady writes. In addition, understanding the evolutionary "stages" of migraine from sporadic to persistent offers an opportunity to develop new therapies that individualize and personalize care. In the fut...

Mayo Clinic Proceedings: The Evolution of Migraine from Episodic Headache to Chronic Disorder

...st include an invitation to comprehend and address all migraine-related health issues facing patients, Dr. Cady writes. In addition, understanding the evolutionary "stages" of migraine from sporadic to persistent offers an opportunity to develop new therapies that individualize and personalize care. In the f...

Why Chimps, Monkeys Don't Develop Alzheimer's

...ave long noticed a curious phenomenon among primates: Humans get the devastating neurological disorder known as Alzheimer's disease, but their closest evolutionary cousins don't. Even more inexplicable is the fact that chimpanzee and other non-human primate brains do get clogged with the same protein plaques...

New Insight Into Primate Eye Evolution

...rain and nervous system could produce the multiple evolutionary changes seen in more advanced brains, without comp...ing embryonic growth could help us understand what evolutionary changes would be required to evolve from a diurnal...nge the types of cells that they became. Thus, the evolutionary adaptation from diurnal to nocturnal eye might req...

AIBS honors outstanding contributions to biology

...h a historical perspective as a way of thinking in evolutionary biology, and has helped to provide an evolutionary framework and toolkit to molecular biology and gen...d Humanities in the Life Sciences and the Ecology, evolutionary Biology, and Behavior graduate program. His resea...

Discovery in amber reveals ancient biology of termites

...sed their ability to digest cellulose, and through evolutionary processes they came to depend on it. Today, mod...e process isn't always pretty. Somewhere on the evolutionary scale the termites began producing a liquid that c...igests the two groups have both had extraordinary evolutionary success. "The relationship between termites and...

Pooches Sometimes Miss the Point

...onment of dogs, in which there are complex communicational interactions between humans and dogs," she said. "It is hypothesized that, because of their evolutionary and developmental history, dogs are sensitive to the human signals. And on the basis of the present results, it seems that their level of comprehensio...

Dr. Gunther von Hagens 'HUMAN SAGA' Project Presents Sexuality and Reproduction in New Exhibit, The Cycle of Life.

... and cost, but it is the only successful means to perpetuate the race and ensure its survival," he said. "It is a paradox, it is both illogical and an evolutionary triumph," Dr. von Hagens said. In The Cycle of Life , Dr. von Hagens with the help of four consenting donors presents the matter with bracing cl...

NEWSWEEK Cover: Fear & The Flu

...of flu, a human type and a strain found in pigs. It was an H1N1 swine influenza. Largely ignored at the time, the Wisconsin virus was a step along the evolutionary tree, leading to a virus that four years later would stun the world. Garrett, the senior fellow for global health at the Council on Foreign Rela...

Remembrance of Fat May Be at Root of Cravings

...ews release. "By helping mammals remember where and when they have eaten a fatty meal, OEA's memory-enhancing activity seems to have been an important evolutionary tool for early humans and other mammals." The ability may have been a survival mechanism for early humans, but things are different today. Because...

Scientists From 25 Countries Sequence Cow Genome

...m-dwelling cow. The feat has implications for understanding the biology of this bovine and related creatures (even humans), and sheds light on some evolutionary history, said the authors of two reports in the April 24 issue of Science . Most importantly, the mapping of the cow genome could portend ways to...

How new species evolve is focus of public lecture at UC Riverside

...f. What is a species and how does speciation the evolutionary process that results in the formation of new speci...contributed to our understanding of speciation? evolutionary biologist David Reznick will address these quest...esting predictions from different facets of modern evolutionary theory in natural populations of guppies (small fr...

Lumenis Introduces the HoLEP Simulator and the PolyScope Disposable Ureteroscope at American Urology Association 2009 Annual Meeting

...of Munich, will present his initial experience with the PolyScope, and discuss scope utility and impact on clinical practice. The PolyScope is an evolutionary step in flexible scope design incorporating a truly disposable ureteroscope with a reusable 10,000 pixel fiber optic. This unique concept solves many...

Worms Control Lifespan at High Temperatures, UCSF Study Finds

..., they even use steroid hormones to do this, just as we do to regulate our temperature,” she said, noting that this might have been a very early evolutionary link between cold- and warm-blooded animals. C. elegans has been known to have thermosensory or heat-sensing neurons, which allow the worms to mo...

Study Reveals How Salmonella 'Hijacks' Cells

...esearchers report. Their finding offers new insight into how disease is caused by salmonella, which kills more than 2 million people a year. "In evolutionary terms, this hijacking of cellular machinery to diversify the function of a bacterial protein is mind-boggling," study senior author Jorge Galan, chair...

Yerkes researchers use eye tracking to detect mild dementia in humans

...; unlock the secrets of memory; determine behavioral effects of hormone replacement therapy; address vision disorders; and advance knowledge about the evolutionary links between biology and behavior. ...

E-Communication Might Be Outpacing Emotion

...miration and compassion also elicited responses in the areas of the brain considered more "primal," suggesting that compassion and admiration may have evolutionary roots. The authors postulated that teaching and cultural forms, not to mention adequate pause for reflection, could help counteract this trend and...

Meat for sex in wild chimpanzees

...re frequently with males who share meat with them over long periods of time, according to a study led by researchers from the Max Planck Institute for evolutionary Anthropology in Germany, published in the open-access, peer-reviewed journal PLoS ONE April 8, 2009. How females choose their mating partners an...

Apollo Unifies All Patient Media With Enterprise Patient Media Manager

...atient care and operational efficiency by enabling simple and secure management of, and access to, distributed clinical multimedia and data. An evolutionary step past traditional Radiology PACS, Apollo EPMM(TM) is an interoperable solution that optimizes existing resources throughout the healthcare enterpr...

Scientists show how a neuron gets its shape

...ilar to proteins that anchor the hair cells that detect sound waves in the human ear. "That was our second surprise," says Heiman. "That there is this evolutionary relationship between a sensory organ in a worm and a sensory organ in humans. In the case of the worm, the anchor is being used to resist the force of...

Virus evolution topic of Darwin talk at UH April 2

...Yale University associate professor of ecology and evolutionary biology, will speak from 4 to 5:30 p.m. Thursday i...room Building Auditorium. His talk is titled "The evolutionary Ecology of Viruses." The impact of the HIV-AI...O: Paul Turner, associate professor of ecology and evolutionary biology, Yale University WHAT: NSM Dean's Lectu...

American Network, Inc. Offers Revolutionary Service to Hard of Hearing

... PhoneCaption(sm) Service for Hard of Hearing Now Provides Caller ID NEW YORK, March 26 /PRNewswire/ -- American Network, Inc. today unveiled an evolutionary Caller ID feature through PhoneCaption.com's services for Hard of Hearing individuals. Until now, Hard of Hearing (late/accidental loss/difficulty in ...

Spiders, frogs and gecko among exciting discoveries found in Papua New Guinea

...iversity Museum. "They are strikingly distinctive evolutionary lineages that had been unknown before, with a group that is already very distinctive on the evolutionary tree of jumping spiders," said Maddison. "Their key position on the evolutionary tree will help us understand how this unique group...

Long, sexy tails not a drag on male birds

...ogists think that extreme ornamentation, like long tails, arise because females select males based on that trait, there is still much debate about the evolutionary details. Some suggest that females have an innate bias that is exploited by males to win over females. Others suggest that long feathers are a good in...

Vitamin A signals offer clues to treating autoimmunity

... such as rheumatoid arthritis, lupus and type I diabetes. This "two signals at once" feature of the immune system can be viewed as the result of an evolutionary tug of war, says senior author Bali Pulendran, PhD, professor of pathology and laboratory medicine at Emory University School of Medicine and Yerkes N...