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Study Questions Long-held Depression Belief

August 27, 2014 12:40 pm | News | Comments

New evidence puts into doubt the long-standing belief that a deficiency in serotonin— a chemical messenger in the brain— plays a central role in depression.                            

3rd Doctor Dies from Ebola in Sierra Leone

August 27, 2014 10:23 am | by Clarence Roy-Macaulay - Associated Press - Associated Press | News | Comments

A third top doctor has died from Ebola in Sierra Leone, a government official said Wednesday, as health workers tried to determine how a fourth scientist also contracted the disease before being evacuated to Europe.           

DIY Blood Pressure Care Can Beat MDs

August 27, 2014 8:24 am | by Lindsey Tanner - AP Medical Writer - Associated Press | News | Comments

"Do-it-yourself" blood pressure measurements and medicine changes work better than usual doctor-office care in some patients, a study of older adults in England found.                        

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Japan Sees First Local Dengue Case in Over 60 Years

August 27, 2014 12:22 am | by The Associated Press | News | Comments

Japanese health authorities have reported the first locally transmitted case of dengue fever in the country in more than 60 years. The ministry says the case occurred in Saitama, a prefecture adjacent to Tokyo.            

Gut Bacteria Protects Against Food Allergies

August 26, 2014 2:30 pm | News | Comments

The presence of Clostridia, a common class of gut bacteria, protects against food allergies, a new study in mice finds. The discovery points toward probiotic therapies for this so-far untreatable condition.           

Vision Problems Can Dim Life Expectancy

August 26, 2014 2:10 pm | News | Comments

Older adults losing vision as they age are more likely to face an increased mortality risk, according to new research. The researchers analyzed data from the Salisbury Eye Evaluation study that tracked the vision health of 2,520 older adults, ages 65 to 84.

Sorting Cells with Sound Waves

August 26, 2014 1:29 pm | Videos | Comments

Researchers have devised a new way to separate cells by exposing them to sound waves as they flow through a tiny channel. Their device could be used to detect the extremely rare tumor cells that circulate in cancer patients’ blood.     

Crohn's Gene Discovery May Lead to Better Screening

August 26, 2014 1:23 pm | News | Comments

Scientists have identified chemical changes in the DNA of patients with Crohn’s disease that could help to screen people for the disease. These changes can be detected in blood samples, opening the door to a simple test for Crohn’s disease.    

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Protein Inhibits HIV Release

August 26, 2014 12:20 pm | News | Comments

The TIM family of proteins that promotes virus entry into cells also has the ability to block the release of HIV and other viruses, researchers have found.                           

Bacterial 'Communication System' Could Prevent Cancer Cells from Spreading

August 26, 2014 8:30 am | News | Comments

Cancer, while always dangerous, truly becomes life-threatening when cancer cells begin to spread to different areas throughout the body. Now, researchers have discovered that a molecule used as a communication system by bacteria can be manipulated to prevent cancer cells from spreading.

Exercise Can Impact Breast Cancer Risk

August 25, 2014 3:38 pm | by Cynthia Fox | Articles | Comments

A large new study found that when post-menopausal women stop physical activity, their odds of developing breast cancer rise. But, the study also found that breast cancer risk drops surprisingly rapidly after exercise starts.                  

Virus, Zebrafish Enable Scientists to Map Living Brain

August 25, 2014 1:35 pm | News | Comments

A virus and a zebrafish are helping scientists map the living brain. The model will help show how brain wiring is laid and how it functions.                                

New Approach Helps to Identify Cancer 'Drivers'

August 25, 2014 1:13 pm | News | Comments

Researchers have developed a new integrated approach to pinpoint the genetic “drivers” of cancer, uncovering eight genes that could be viable for targeted breast cancer therapy.                     

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Fully Functional Immune Organ Grown from Lab-created Cells

August 25, 2014 1:06 pm | Videos | Comments

Scientists have, for the first time, grown a complex, fully functional organ from scratch in a living animal by transplanting cells that were originally created in a laboratory.                     

Eye Implant Monitors Glaucoma

August 25, 2014 12:39 pm | News | Comments

For the 2.2 million Americans battling glaucoma, the main course of action for staving off blindness involves weekly visits to eye specialists who conttol increasing pressure within the eye. Now, a tiny eye implant could enable patients to take more frequent readings from the comfort of home.

Liberia: Doctor Given Experimental Ebola Drug Dies

August 25, 2014 11:56 am | by Jonathan Paye-Layleh, Associated Press | News | Comments

A Liberian doctor who was among three Africans to receive an experimental Ebola drug has died, the country's information minister said Monday, as a top U.N. delegation promised more help for countries battling the virulent disease during a visit to Sierra Leone. 

E-cigarettes Might Help Smokers Quit, AHA Says

August 25, 2014 1:22 am | by Marilynn Marchione - AP Chief Medical Writer - Associated Press | News | Comments

The American Heart Association's first policy statement on electronic cigarettes backs them as a last resort to help smokers quit. The American Cancer Society has no formal policy but quietly took a similar stance in May.          

Are Three Brain Imaging Techniques Better than One?

August 22, 2014 1:13 pm | News | Comments

To date, almost all studies of autism in children have used a single imaging technique to explore connectivity. None has been able to capture a robust picture of the brain abnormalities associated with autism— until now. Researchers are combining three imaging techniques and harnessing the best of each one.

Autistic Children Have Extra Brain Synapses

August 22, 2014 11:23 am | Videos | Comments

Children and adolescents with autism have a surplus of synapses in the brain, and this excess is due to a slowdown in a normal brain “pruning” process during development, according to a new study.                

8 Questions About the Recovered U.S. Ebola Patients

August 22, 2014 8:30 am | by Mike Stobbe - AP Medical Writer - Associated Press | News | Comments

Two American aid workers have recovered from Ebola and left an Atlanta hospital, after weeks of intensive treatment in a special isolation unit. They were first two Ebola patients ever brought to the United States.           

New Restrictions on Hydrocodone to Take Effect

August 22, 2014 8:23 am | by The Associated Press | News | Comments

The federal government is finalizing new restrictions on hundreds of medicines containing hydrocodone, the highly addictive painkiller that has grown into the most widely prescribed drug in the U.S.               

Combining Vaccines Boosts Polio Immunity

August 22, 2014 8:22 am | by Lauran Neergaard - AP Medical Writer - Associated Press | News | Comments

New research suggests a one-two punch could help battle polio in some of the world's most remote and strife-torn regions: Giving a single vaccine shot to children who've already swallowed drops of an oral polio vaccine greatly boosted their immunity.

‘The Pill’ Shrinks Ovaries, Cuts Egg Numbers

August 21, 2014 2:44 pm | by Cynthia Fox | Articles | Comments

The birth control pill significantly affects ovarian reserve— or the number of immature eggs in a woman’s ovaries— which can be a predictor of future fertility, according to a team in Denmark.                 

Severing Nerves May Shrink Stomach Cancers

August 21, 2014 11:07 am | News | Comments

Research shows that nerves may play a critical role in stomach cancer growth and that blocking nerve signals using surgery or Botox (onabotulinumtoxinA) could be an effective treatment for the disease.              

Scientists Discover Brain Area Responsible for Exercise Motivation

August 21, 2014 11:01 am | News | Comments

Scientists have discovered an area of the brain that could control a person’s motivation to exercise and participate in other rewarding activities, potentially leading to improved treatments for depression.             

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