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posits in Medical News

The mental health dangers of birth hypoxia

...ors that might contribute to the metabolic compromise of the fetus might have real payoff in reducing the later risk for schizophrenia of that fetus," posits Dr. Krystal. That science may one day have the ability to identify these high-risk individuals from birth would be a tremendous advantage in the stru...

Gay Men, Straight Women Have Similar Brains

...elop as the child matures, meaning that environmental factors could also play a role. The current wisdom regarding genetics and sexual orientation posits that genes may play a role in male homosexuality but not in female homosexuality, the researchers said. Experts have also speculated that exposure...

New molecular insight into amboebic dysentery

...leagues reveal a potential role for the rhomboid enzyme, EhROM1, in the pathogenesis of the enteric protozoan parasite, E. histolytica. This discovery posits EhROM1 as a prospective target in the treatment of amoebic dysentery, which affects 1/10th of the global population (~500 million people) and represen...

Introspective experiences inform inferences about similar people -- but not dissimilar

...out others thoughts and feelings. Some have theorized that we use aspects of our own experience to model the thoughts of others, while another theory posits that we acquire a knowledge base from observations and societal rules that guides our understanding of others mental states. This study suggests th...

Researchers Hone in on Cancer Stem Cells for Melanoma

...ing to the American Cancer Society, there were an estimated 108,230 new cases of melanoma in 2007 and 8,110 deaths. The cancer stem cell hypothesis posits that tumors (like other noncancerous tissues) derive from a small population of primitive cells, which can divide and differentiate to form both the b...

Michael J. Fox Foundation Launches Rapid Response Innovation Awards 2008 Following Strong Inaugural Year Response

...d help overcome the delivery challenges of getting PD therapeutics past the blood-brain barrier; -- A project to test the Braak Hypothesis, which posits that sporadic Parkinson's may begin not in the central nervous system but in the enteric, or gastrointestinal, nervous system -- knowledge tha...

Is there a developmental component to the risk for depression?

...ys in their standing or walking. The authors explain that their findings support a proposed fetal programming model for depression and anxiety, which posits that prenatal stress may result in permanent maladaptive changes to the developing fetal brain. Particularly notable was the fact that differences wit...

NEWSWEEK: Cover: Kids and the Growing Food Allergy Threat

...ites and viruses and infections. But clean water, antibiotics and vaccines have eliminated some of our most toxic challenges. Intriguing research even posits that kids born by Caesarean section, which have risen 40 percent in the last decade, could be at higher risk for allergies, perhaps because their bodi...

Dementia in More Educated Hits Later But Harder

...itive decline begins, the descent is more precipitous, a new study finds. The findings confirm the so-called "cognitive reserve hypothesis," which posits that people with more education have some kind of brain "reserve" that allows them to withstand the ravages of dementia longer. Eventually, however, t...

Appendix isn't useless at all: It's a safe house for bacteria

...ople in industrialized societies might have such a high rate of appendicitis because of the so-called hygiene hypothesis, Parker said. This hypothesis posits that people in "hygienic" societies have higher rates of allergy and perhaps autoimmune disease because they -- and hence their immune systems -- have...
posits in Medical Technology

FDA Stem Cell Approval Breakthrough Laudable

... Drapeau. "The expert commentary we're seeing surrounding the FDA's action is misleading." Christian Drapeau, an early advocate of ASC science, posits that ACS are showing the greatest potential for scientific and medical advances. Drapeau says that ASC can be a safer alternative to Embryonic ...

Michael J. Fox Foundation Funds $1.1 Million for Cutting-Edge Approaches to Parkinson's Disease Under Rapid Response Innovation Awards 2008

...tter treatments for the digestive problems that dramatically affect Parkinson's patients' quality of life, as well as test the Braak hypothesis, which posits that Parkinson's disease progresses through the body and to the brain in a series of stages starting in the gastrointestinal system. They are examinin...
posits in Biological News

The first laugh: New study posits evolutionary origins of two distinct types of laughter

In an important new study from the forthcoming Quarterly Review of Biology, biologists from Binghamton University explore the evolution of two distinct types of laughter ?laughter which is stimulus-driven and laughter which is self-generated and strategic. "Laughter that occurs during everyday s...

New theory gives more precise estimates of large-scale biodiversity

..., but not twice as many, because the species overlap," Harte said. He and colleague Jessica Green showed in 2003 that the theory of fractals, which posits that physical patterns such as the distribution of plants look similar on small and large scales, does not explain species richness over large areas. ...

UK researcher identifies just 8 patterns as the cause of all humor

...uman ingenuity and adaptability." This publication is one of several within a series regarding Clarke's Pattern Recognition Theory Of Humour, which posits the fundamental role humour has played in the development of the intellectual and perceptual capacities of the species. The theory is based on ext...

Evolutionary process more detailed than previously believed, study shows

...inear approach, theorizing that a population acquires such adaptations successively, one after another. Rather than a competition occurring, the model posits a complete replacement of one generation by another better-adapted generation. That wasn't the case in Kao's sample. Observing the color-coded yeast...

Salk researchers develop novel glioblastoma mouse model

...ed self-renewal) as well as specialized cell types (called differentiation) is the key to maintaining healthy tissues. The cancer-stem-cell hypothesis posits that cancers grow from stem cells in the same way healthy tissues do. Known as tumor-initiating cells with stem like properties these cells have many ...

Evolution's new wrinkle

...guiding this process may have originated, but they emphatically said it does not buttress the case for intelligent design, a controversial notion that posits the existence of a creator responsible for complexity in nature. Chakrabarti said that one of the aims of modern evolutionary theory is to identify...

Kazak apple research key to preventing blue mold

... have not been able to evaluate new fruit varieties for blue mold resistance because of the apple's gene pool. A theory called "geography of genes" posits that breeders looking to create mold-resistant apples should obtain breeding seeds, or germplasm, from the fruit's geographic area of origin. The geog...

Michael J. Fox Foundation Funds $1.1 Million for Cutting-edge Approaches to Parkinson's Disease

...tter treatments for the digestive problems that dramatically affect Parkinson's patients' quality of life, as well as test the Braak hypothesis, which posits that Parkinson's disease progresses through the body and to the brain in a series of stages starting in the gastrointestinal system. They are examinin...

Scientists discover key patterns in the packaging of genes

...modifications suggests that specific combinations might carry specific meanings. Previous researchers have proposed a "histone code" hypothesis, which posits that a particular combination of modifications may be recognized by a particular protein module. Some scientists believe such histone code may determi...

Leading scientist named new chair of Cell Biology at Yale

... complex of vesicle membrane proteins which he implicated in membrane fusion and formulated the highly influential "SNARE hypothesis." This hypothesis posits that distinctive, complementary protein complexes known as SNARES, expressed on both vesicles and target membranes, first ensure that different classe...
posits in Biological Technology

Michigan Company Founded upon What Could Be History's Most Important Breakthrough in AI and Robotics

...cess in Michigan has been attributed to his very affirmative response to queries about what the technology can do for the economy. To this question he posits numerous examples of products and services invented by this AI paradigm and currently sold by international corporations; that the technology has been...

The flattening world and its impact on U.S. biotech

...ny size and at the same time flattening the world, characterized by individuals and small groups globalizing in search of empowerment. Friedman posits that the first two stages were primarily driven by European and American companies and countries, but that the third stage is being driven by non-West...
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