Biologists Question Animal Brain Size Theory
... Social behavior hypothesis
contradicted in research paper
... findings contradict the so-called Social Brain hypothesis
followed by many evolutionists.
In a report ... of this, and indicates that the Social Brain hypothesis
does not hold for all Carnivora."
'Healthy' individuals may be at risk for heart disease
... can lead to heart attack and stroke.
was that this kind of fat is quite different from ... a thick waist.
"For the previous study, our hypothesis
was that pericardial fat released inflammatory ... non-subcutaneous fat," Ding said. "If this hypothesis
is confirmed, we should look for ways to ...
Calcium may be the key to understanding Alzheimer's disease
... cell compartment.
"The 'calcium dysregulation' hypothesis
for inherited, early onset familial Alzheimer's ... identifies a molecular mechanism that makes this hypothesis
very compelling," says lead author J. Kevin ... amyloid beta protein in the brain. "The amyloid hypothesis
has long been invoked to explain the cause of ...
Is a society with smokers profitable?
As Lpez declared to SINC, "we have not attempted to verify a specific hypothesis
but rather carried out an appraisal of the studies on tobacco consumption ... private costs and the evidence that most smokers want to stop give up, the hypothesis
that taxes and restrictions on consumption increase net welfare gains ...
Blood Test Shows Statistically Significant Association With Alzheimer's Disease (AD), May Predict Conversion of Mild Cognitive Impairment to AD
... According to Dr. Nagy, "The results of this study support the cell cycle hypothesis
of Alzheimer's disease - specifically, that G1/S cell cycle regulatory ... with MCI will develop AD. The biomarkers are based on the cell cycle hypothesis
of AD and were invented by Dr. Zsuzsanna Nagy at the University of Oxford ...
Reduced ovarian reserve associated with increased risk of trisomic pregnancy
... risk of trisomic pregnancy. However, more convincing in my opinion, is the hypothesis
that the chance that a fertilised, abnormal egg is selected for embryo ... of the increase in trisomy risk. Then the next step would be to study our hypothesis
in a fertile group of women, since results from women having IVF cannot be ...
Dad's Genes May Play Greater Role Than Thought
... 96 percent is in a dense, impenetrable material called protamine.
has been that this 4 percent of DNA in histones is randomly distributed," Cairns said. "We challenged the hypothesis
and found that the DNA that is in histones is not randomly distributed but ...
Physicians Conduct Research Studies in Minutes, Not Months, at Montefiore Medical Center
... data sets in multiple ways -- immediately. After a clinician generates a hypothesis
about a specific disease, for example, CLG can in minutes collect data on ...
Not all 2,800 CLG queries each month bear immediate fruit. A clinical hypothesis
is posed, a group of patients with a certain condition are identified, CLG ...
Chemical can reproduce complications for some patients
... in crystalloid fluid from IV bags and EC circuits, and to test the hypothesis
that a clinically observed dose of CHX could reproduce the vital organ ... to those observed following clinical EC treatment. This supports our hypothesis
that CHX may contribute to EC-related cardiovascular insufficiency. ...
Blood pressure compound may benefit brain tumor patients
... of life for cancer patients.
Using a rat model, the study drew on a hypothesis
from previous studies that a compound similar to the anti-hypertensive ... Journal of Radiation Oncology, Biology, Physics , appear to validate the hypothesis
in rats and researchers are optimistic that the same theory could easily ...
Estrogen therapy could be dangerous for women with existing heart risk
... to explain what's behind the so-called timing hypothesis. The timing hypothesis
suggests that if a woman implements a hormone therapy program within six ... on estrogen therapy had increased heart disease risk. The six-year timing hypothesis
was an attempt to explain the findings in the WHI study, Sowers said.
Cornell researchers' study showing evidence of a major environmental trigger for autism
... of the College of Human Ecology at Cornell added, "We looked at the hypothesis
using three different statistical approaches and in each case we found ... autism conducted by this team. Their latest report considers a specific hypothesis
that there exists an important environmental trigger for autism among ...
AMA Journal Publishes Study Showing Evidence of a Major Environmental Trigger For Autism
... of the College of Human
Ecology at Cornell added, "We looked at the hypothesis
different statistical approaches and in each case we found ... on autism conducted by this team.
Their latest report considers a specific hypothesis
-- that there exists an
important environmental trigger for autism among ...
SpectraScience Delivers Cancer Diagnosis System to Mayo Clinic and UCSD/VA for Detecting Esophageal Dysplasia in Patients
... in identifying dysplasia or cancer in the esophagus
will be evaluated. The hypothesis
that the sensitivity of a
WavSTAT-assisted endoscopic examination improves that of standard endoscopy
alone will be tested. If this hypothesis
is proven, the physician should be
able to take fewer physical biopsies, ...
Age-related memory loss tied to slip in filtering information quickly
... processing, to examine the relationship between this inhibitory deficit hypothesis
of normal aging and another leading hypothesis
that the brain's ability to process information quickly, diminishes. ...
Childhood brain tumor traced to normal stem cells gone bad
... "Medulloblastoma was one of the first tumors that was believed to fit the hypothesis
that tumors are caused by 'cancer stem cells' that initiate malignancies ... and an assistant professor at Harvard Medical School. "But the prevailing hypothesis
-- that medulloblastomas originate from non-stem cells just did not make ...
Estrogen therapy increases benign breast disease risk
... equine estrogen, compared with those taking a placebo.
“The prevailing hypothesis
concerning the natural history of breast cancer is that benign ... risk of breast cancer in the Women's Health Initiative study, if this hypothesis
holds true, they might show increased risk later. Ongoing follow up of the ...
Microscopic 'astronauts' to go back in orbit
... our last shuttle experiment and to do a follow-up experiment to test our hypothesis
about new ways this bacteria causes disease in this unique environment.
In the new experimental wrinkle, the team will test a hypothesis
that may lead to decreasing or preventing the risk for infectious diseases ...
AACR's Seventh Annual Landon Awards
... growth and reproduction.
Mendelsohn and his colleagues proved their hypothesis
by producing an anti-EGF receptor monoclonal antibody that blocked ... arduous, as it often is for pioneers in cancer therapy, Dr. Mendelsohns hypothesis
turned out to be spectacular, resulting in a new and effective treatment ...
Iowa State University researcher's work on gender, temperature link in reptiles published in Nature
... were born was the best climate for each of the two genders.
This was a hypothesis
that was proposed in 1977, said Warner. But no one had conducted a complete experimental test of the hypothesis
Warner tracked males and females born at different ...
JCI online early table of contents: Jan. 10 2008
... colleagues at the National Institutes of Health, Bethesda, to extend this hypothesis
such that they have proposed that NOD2 negatively regulates signaling by ... that different forms of PIP5KI have different functions. Support for this hypothesis
has now been provided by Charles Abrams and colleagues at the University ...
Rockefeller University's Center for Clinical and Translational Science funds pilot studies
... fellow in Christian Mnzs Laboratory of Viral Immunobiology, to test the hypothesis
that a cause of multiple sclerosis is an aberrant response of the central ... B cells.
Lisa Neff, instructor in clinical investigation, to test the hypothesis
that the Dietary Approaches to Stop Hypertension diet and the low glycemic ...
Fetal Alcohol Exposure May Prime Offspring for Alcoholism
... it involves a substance of abuse, he added.
The new studies tested the hypothesis
that exposure to alcohol while in the uterus resulted in an altered sensory response to the substance that then affected later behavior.
was that there are these neuroadaptive changes that essentially make the ...
Boiron Laboratories Disputes British Journal's Editorial on Homeopathy
... well below .0001. This means that in at least one test, the null hypothesis
(lack of effect of homeopathy) must be rejected. ... The number of ... that "the
results of our meta-analysis are not compatible with the hypothesis
the clinical effects of homeopathy are completely due to a placebo ...
Certain Cholesterol Drugs Show Their Limits
... way open for further exploration. It neither validates nor invalidates the hypothesis
that inhibition of CETP is a beneficial effect, but it will remain a hypothesis
unless and until it is tested with CETP inhibitors that do not share the ...
HIV's path out of Africa: Haiti, the US then the world
... trees to determine how probable a particular family tree is.
For the hypothesis
that, from Africa, HIV went to the U.S. first, the probability is 0.003 percent -- virtually nil.
For the hypothesis
that HIV went from Africa first to Haiti and then on to the U.S., the ...
Dementia in More Educated Hits Later But Harder
... and the mental decline that follows is accelerated.
"The working hypothesis
has been that people with higher education have some kind of reserve ... 23 issue of Neurology .
Hall and his colleague set out to test the hypothesis
by looking at 117 people who developed dementia (they were among an ...
Taxol-type drugs give slight boost to survival rates in early breast cancer
... this type of analysis cannot compare one drug to another accurately. This hypothesis
would be better tested in a clinical trial directly comparing the two ... criticisms of some of the earlier taxane trials, Nowak said. I think that hypothesis
has been disproved by this study.
It looks like taxanes are beneficial, ...
Residual fetal cells in women may provide protection against breast cancer
... that FMc may contribute to reduction of breast cancer based on the hypothesis
that residual fetal cells may provide immune surveillance of malignant ... autoimmune diseases.
Two observations provided a rationale for the study hypothesis
of the potential beneficial role of fetal cells, according to the authors. ...
Prophylactic cranial irradiation in small cell lung cancer significantly increases survival
Moreover, the trial results give weight to the further research hypothesis
that thoracic radiotherapy - using the nowadays advanced radiotherapy techniques - might be beneficial to this pretreated patient group as well - a hypothesis
Prof Ben Slotman and colleagues are preparing to test in clinical ...
Fox Chase finds that lung cancer patients respond to erlotinib following cetuximab therapy
... Borghaei says. He cautions, however, that these data come from a subset analysis and are retrospective, so they are not conclusive, but are only hypothesis
Although erlotinib is approved for use in patients with non-small cell lung cancer and cetuximab has been studied in this setting for ...
Gloomy Days Dim Cognitive Powers of the Depressed
... see if there was any correlation between days of sunlight and levels of cognitive impairment in people with and without depression.
Their original hypothesis
panned out: Depressed people who soaked up more of the sun's rays over a two-week period had better cognitive function compared with their ...
Small Molecule Might Play Big Part in Lung Cancer
... targeted therapies for specific lung cancers follow this line of scientific thought -- gefitinib (Iressa) and erlotinib (Tarceva).
To test their hypothesis
that miR-21 and EGFR may make attractive targets for therapy, the researchers tested two experimental compounds: an antisense molecule designed to ...
Scientists Reverse Muscular Dystrophy in Mice
... to one another," continued Thornton. "In theory, if you could make that happen might you might actually make this disease go in reverse."
And the hypothesis
An "antisense morpholino oligonucleotide," a synthetic molecule, succeeded in pulling apart the RNA and the muscleblind proteins.
Vein Removal Method Linked to Bypass Results
... said. "And it would be years before we had results," Alexander added.
The reason for the difference in outcomes is unclear, he said. "The best hypothesis
is that some damage is done to the vein in endoscopic harvesting," Alexander said. "What it is and how you might change it are unknown."
Was SIDS the cause of infant deaths even 150 years ago?
... late winter months and amongst boys, and there were more infant deaths among black babies.
The author concludes: "The study strongly supports the hypothesis
that these infant deaths represent empirical evidence of 19th century SIDS mortality."
Childhood obesity link to parents
... become obese adults, and that prevention of obesity in children will solve the problem in adulthood. EarlyBird's evidence supports the opposite hypothesis
that children are becoming obese due to the influence of their same-sex parents, and that we will need to focus on changing the behaviour of the ...
Inflammation may trigger Alzheimer's disease, Saint Louis University findings suggest
... beta protein trapped in the brain," said Banks, who also is a staff physician at Veterans Affairs Medical Center in St. Louis.
He tested the hypothesis
by giving mice an antisense, which is a molecular compound that blocked the production of LRP. Amyloid beta protein accumulated in the brain and the ...
Brain Quickly Detects Happiness in Others
... much of the emotional processing workload, both positive and negative, on the right hemisphere. The other theory -- known as the approach-withdrawal hypothesis
-- suggests that both hemispheres play a part, with the left one better at crunching negative data.
Determining how people make value judgments ...
Toronto researcher's discovery points to a new treatment avenue for acute myeloid leukemia
... basis of this experimental work, a Phase I clinical trial has been initiated to test safety and effectiveness in patients.
"The cancer stem cell hypothesis
is one of the most exciting ideas in cancer biology, with the potential to truly transform cancer therapy. A major question has been whether agents ...