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Scientists ID On/Off Switch for Aging Cells

September 22, 2014 12:08 pm | News | Comments

Scientists have discovered an on-and-off “switch” in cells that may hold the key to healthy aging. This switch points to a way to encourage healthy cells to keep dividing and generating, for example, new lung or liver tissue, even in old age.    

Blood Test May Help Determine Psychosis Risk

September 22, 2014 11:56 am | News | Comments

A new study reports preliminary results showing that a blood test, when used in...

Western Diet Leads to Diminished Cognitive Performance

September 22, 2014 11:40 am | by Rob Payne, ScienceNetwork WA | News | Comments

Researchers found that participants with a western dietary pattern scored lower in...

Streets Bustling After Sierra Leone Shutdown Ends

September 22, 2014 10:36 am | by Clarence Roy-Macaulay - Associated Press - Associated Press | News | Comments

A news conference to announce the results of a three-day nationwide shutdown designed to help...

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700 Babies Maybe Exposed to TB at Texas Hospital

September 19, 2014 9:35 pm | by The Associated Press | News | Comments

More than 700 infants may have been exposed to tuberculosis at an El Paso hospital over the past year by an employee recently diagnosed with the illness, health officials said Friday.                     

FDA Revises Food Safety Rules Due Next Year

September 19, 2014 5:35 pm | by Mary Clare Jalonick - Associated Press - Associated Press | News | Comments

The Food and Drug Administration on Friday revised sweeping food safety rules proposed last year after farmers complained that the regulations could hurt business.                         

Sensing Neuronal Activity With Light

September 19, 2014 8:30 am | News | Comments

For years, neuroscientists have been trying to develop tools that would allow them to clearly view the brain's circuitry in action— from the first moment a neuron fires to the resulting behavior in a whole organism.          

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Protein May Lower Blood Pressure

September 19, 2014 8:30 am | by Benjamin Plackett, Contributor, Inside Science News | News | Comments

A new study has shown that people who eat more protein- whether from plant or animal sources- tend to have a lower risk of hypertension, also known as high blood pressure.                       

New Method Developed to Detect Ebola

September 19, 2014 8:30 am | Videos | Comments

A group of international scientists have developed a new method to study Ebola virus in wildlife. The research describes the use of fecal samples from wild great apes to identify populations likely to have been exposed to the virus.     

Stem Cells Use 'First Aid Kits' to Repair Damage

September 19, 2014 8:30 am | News | Comments

Neural stem cells– master cells that can develop into any type of nerve cell– are able to generate mini “first aid kits” and transfer them to immune cells, according to a new study.                    

White House Orders Plan for Antibiotic Resistance

September 19, 2014 8:30 am | by Mary Clare Jalonick - Associated Press - Associated Press | News | Comments

Signaling the seriousness of the threat posed by antibiotic-resistant germs, President Barack Obama on Thursday ordered the government to create a national plan to fight them by early 2015.                  

Immune Link to Stress Could Help Treat Depression

September 18, 2014 3:04 pm | News | Comments

Researchers say a new focus on the links between the immune system and stress is needed to help pave the way for improved treatments of severe depression. The paper argues that current treatments for major depressive disorder lack effectiveness.

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Autism Caused by Spontaneous Mutations in Key Brain Gene

September 18, 2014 3:00 pm | News | Comments

Spontaneous mutations in the brain gene TBR1 disrupt the function of the encoded protein in children with severe autism. In addition, there is a direct link between TBR1 and FOXP2, a well-known language-related protein, according to a new study.  

Vitiligo Treatment Holds Promise for Restoring Skin Pigmentation

September 18, 2014 2:35 pm | Videos | Comments

A treatment regimen is safe and effective for restoring skin pigmentation in vitiligo patients, according to a new study. Patients were randomly divided into two study groups: Group A received a combination therapy; Group B received only NB UVB treatment.

Tracking the Rise and Fall of Brain Volume Throughout Life

September 18, 2014 2:21 pm | News | Comments

Stanford scientists have shown how the brain changes throughout life, and created a standard curve that can be used to assess whether patients are maturing and aging normally.                      

Modern Europeans Descended from 3 Groups of Ancestors

September 18, 2014 1:56 pm | News | Comments

By comparing nine ancient genomes to those of modern humans, scientists have shown that previously unrecognized groups contributed to the genetic mix now present in most modern-day Europeans.                 

Sierra Leone to Shut Down for 3 Days to Slow Ebola

September 18, 2014 11:35 am | by Clarence Roy-Macaulay - Associated Press - Associated Press | News | Comments

Shoppers in Sierra Leone rushed to stock up on food Thursday ahead of a three-day nationwide shutdown, during which the country's 6 million people will be confined to their homes while volunteers search house-to-house for Ebola victims in hiding and hand out soap in a desperate bid to slow the accelerating outbreak.

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Study Links Physical Activity to White-matter Integrity

September 17, 2014 2:00 pm | News | Comments

Like everything else in the body, the white-matter fibers that allow communication between brain regions also decline with age. In a new study, researchers found a strong association between the structural integrity of these white-matter tracts and an older person’s level of daily activity.

BST This Week #16: How Did Life on Earth Begin?

September 17, 2014 1:44 pm | Videos | Comments

On this episode of Bioscience Technology This Week, Christina Jakubowski reports on new research seeking to prove how life on Earth began, by tracking the ancestors of RNA and DNA. Our second story focuses on the possibility of developing high-quality computed tomography scans from a lower radiation dose.

Artificial Sweeteners May Promote Diabetes

September 17, 2014 1:35 pm | by Malcolm Ritter - AP Science Writer - Associated Press | News | Comments

Using artificial sweeteners may set the stage for diabetes in some people by hampering the way their bodies handle sugar, suggests a preliminary study done mostly in mice.                       

Mechanism Behind Age-dependent Diabetes Discovered

September 17, 2014 1:10 pm | News | Comments

Aging of insulin-secreting cells is coupled to a progressive decline in signal transduction and insulin release, according to a recent study. The finding provides a new molecular mechanism underlying age-related impairment of insulin-producing cells and diabetes.

Healthy Humans Make Nice Homes for Viruses

September 17, 2014 1:03 pm | News | Comments

The same viruses that make us sick can take up residence in and on the human body without provoking a sneeze, cough or other troublesome symptom, according to new research.                       

One-minute Point-of-care Anemia Test Shows Promise

September 17, 2014 12:54 pm | News | Comments

A simple point-of-care testing device for anemia could provide more rapid diagnosis of the common blood disorder and allow inexpensive at-home self-monitoring of persons with chronic forms of the disease.             

CDC Study: Americans' Bellies Are Expanding Fast

September 16, 2014 4:35 pm | by Lindsey Tanner - AP Medical Writer - Associated Press | News | Comments

The number of American men and women with big-bellied, apple-shaped figures — the most dangerous kind of obesity — has climbed at a startling rate over the past decade, according to a government study.              

ADHD Brain: Slow to Mature, Quick to Distract

September 16, 2014 3:06 pm | News | Comments

A peek inside the brains of more than 750 children and teens reveals a key difference in brain architecture between those with attention deficit hyperactivity disorder and those without.                   

19 Dates Tracing the Rise of Ebola

September 16, 2014 1:36 pm | by The Associated Press | News | Comments

Since the Ebola outbreak first emerged in West Africa, The Associated Press has been reporting on it. A timeline compiled from AP dispatches since March shows the dreaded disease being identified in a remote part of Guinea and then spreading to another country and then two more.

Smoking, Schizophrenia Linked by Altered Nicotine Signals

September 16, 2014 1:25 pm | News | Comments

A new study shows how schizophrenia is associated with increased rates and intensity of tobacco smoking by showing that the level of nicotine receptors in the brain was lower in schizophrenia patients than in a matched healthy group.     

Key Role of Language Gene Identified

September 16, 2014 1:18 pm | News | Comments

Neuroscientists have found that a gene mutation that arose more than half a million years ago may be key to humans’ unique ability to produce and understand speech.                         

Newly Spotted Genetic Variants Increase Diabetes Risk

September 16, 2014 1:13 pm | News | Comments

Researchers have identified nine genetic variants that dramatically increase the risk of developing type 2 diabetes, adding to our knowledge of the disease’s underpinnings and providing a glimpse of its vast genetic diversity.       

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