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Ebola Victims Infectious for a Week After Death, Nonhuman Primate Study Finds

February 13, 2015 4:32 pm | by Elizabeth Doughman, Editor-in-Chief, ALN Magazine | News | Comments

The Ebola virus remains viable for at least seven days after death in non-human primates. A new study, published in Emerging Infectious Diseases, suggests that Ebola transmission from deceased individuals may be possible for an extended period of time after death, underscoring the importance of using safe practices for handling corpses.  

Beavers Show Way to Improve Enamel

February 13, 2015 3:57 pm | by Washington University in St. Louis | News | Comments

Beavers don’t brush their teeth, and they don’t drink fluoridated water, but a new study reports beavers do have protection against tooth decay built into the chemical structure of their teeth.           

CDC: Nasty Flu Season has Peaked

February 13, 2015 3:41 pm | by Mike Stobbe, AP Medical Writer | News | Comments

This winter's nasty flu season has peaked and is clearly retreating, a new government report shows.                           

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Search Engine Helps Predict Gene Function

February 13, 2015 3:27 pm | by Kimberlee D'Ardenne, Stanford University | News | Comments

The Human Genome Project wrapped up over a decade ago, yet around a third of the genome remains mysterious, its function unknown.                      

Aggressive Form of HIV Uncovered in Cuba

February 12, 2015 2:42 pm | by University of Leuven | News | Comments

Engaging in unprotected sex with multiple partners increases the risk of contracting multiple strains of HIV, the virus that causes AIDS. Once inside a host, these strains can recombine into a new variant of the virus.       

HPV Vaccination Not Linked to Riskier Sex

February 12, 2015 10:08 am | News | Comments

Receiving the human papillomavirus vaccine does not increase rates of sexually transmitted infections (STIs) in adolescent females. The vaccine, which can prevent cervical cancer in women, has had a low uptake, partly because of concerns about how it will affect adolescent sexual activity.

Smartphone Apps Just as Accurate as Wearable Devices: Study

February 12, 2015 10:04 am | News | Comments

Although wearable devices have received significant attention for their ability to track an individual’s physical activity, most smartphone applications are just as accurate, according to a new research letter in JAMA.              

Brain Stents Show Big Promise for Certain Stroke Patients

February 12, 2015 9:53 am | by Associated Press | News | Comments

Stroke experts are reporting a major advance: Stents similar to the ones used to open clogged heart arteries also can be used to clear a blood clot in the brain, greatly lowering the risk a patient will end up disabled.

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Isolated Systolic Hypertension Indicates Heart Disease Risk for Younger Adults

February 12, 2015 9:32 am | News | Comments

High systolic blood pressure – the top number in a blood pressure reading – has long been considered an indicator of cardiovascular disease risk for adults over 50. But now a new Northwestern Medicine study suggests that it’s also important for younger adults.

Common Biomarkers of Sleep Debt Found in Humans, Rats: Study

February 12, 2015 9:10 am | News | Comments

Stating that sleep is an essential biological process seems as obvious as saying that the sun rises every morning. Yet, researchers' understanding of the molecular mechanisms underlying the effects of sleep loss is still in its earliest stages.

Grey Matter Loss from Smoking May be Reversible: Study

February 10, 2015 5:12 pm | News | Comments

Damage to the brain's outer layer caused by smoking may be reversible after quitting, but it could take years, a study said. Brain scans of 500 Scottish septuagenarians confirmed a link between smoking and an acceleration of age-related thinning of the cortex—the outer layer of grey matter, researchers reported.

New Cellular Pathway Defect in Cystinosis

February 10, 2015 4:41 pm | by Scripps Research Institute | News | Comments

Scientists at The Scripps Research Institute (TSRI) have identified a new cellular pathway that is affected in cystinosis, a rare genetic disorder that can result in eye and kidney damage.                                 

90 Percent Approve of Cancer Screening But Uptake is Lower

February 10, 2015 4:35 pm | by Cancer Research UK | News | Comments

The researchers, from Cancer Research UK's Health Behaviour Research Centre at University College London (UCL), interviewed almost 1,900 people aged 50-80 years old about their views on cancer screening.                   

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Coral Snake Venom Reveals Unique Route to Lethality

February 10, 2015 9:34 am | by Johns Hopkins University | News | Comments

A vial of rare snake venom refused to give up its secret formula for lethality; its toxins had no effect on the proteins that most venoms target.                   

Startup Uses Google Glass to Improve Patient-Physician Relationship

February 10, 2015 9:28 am | by Tracie White, Stanford Medical School | News | Comments

Firsthand experience working in hospitals and clinics helped inspire third-year Stanford medical student Pelu Tran to explore a potential career path in the world of high-tech startups.             

Persevering Past Roadblocks to Build Promising Ebola Vaccine

February 10, 2015 9:08 am | by Lauran Neergard - AP Medical Writer | News | Comments

Ebola has claimed nearly 9,000 lives in West Africa over the past year, although new infections have dropped dramatically in recent months.                    

Senate Approves Ex-Mass Official as U.S. Drug Czar

February 10, 2015 9:00 am | by Matthew Daly - Associated Press | News | Comments

President Barack Obama's nominee to serve as U.S. drug "czar" won unanimous approval in the Senate Monday as lawmakers vowed to curb an epidemic that results in more than 40,000 deaths a year from overdoses of prescription painkillers, heroin and other substances.

Impact of Obesity on Fertility Can be Reversed

February 10, 2015 8:56 am | by University of Adelaide | News | Comments

Researchers have revealed how damage from obesity is passed from a mother to her children, and also how that damage can be reversed.                      

Tests Show NFL Brain Damage May Linger, Start Young

February 9, 2015 2:42 pm | by Cynthia Fox, Science Writer | Articles | Comments

After the highly charged Super Bowl, two sobering studies emerged. One unveiled an improved molecular imaging technology that verified—and precisely identified—brain damage in some National Football League (NFL) players. The other study revealed that brain damage can be more severe in NFL players who start playing football before age 12.

Cow Immune System Inspires Potential New Therapies

February 6, 2015 12:19 pm | by The Scripps Research Institute | News | Comments

Scientists have developed a potential new therapy based on an unlikely model: immune molecules from cows.                          

Highlighting Brain Cells' Role in Navigating Environment

February 5, 2015 3:13 pm | by Dartmouth University | News | Comments

A new Dartmouth College study sheds light on the brain cells that function in establishing one's location and direction. The findings contribute to our understanding of the neural mechanisms underlying our abilities to successfully navigate our environment, which may be crucial to dealing with brain damage due to trauma or a stroke and the onset of diseases such as Alzheimer's.

Unlocking Fat

February 5, 2015 2:57 pm | by Peter Reuell, Harvard | News | Comments

Have you ever wondered why it’s so tough to put down that last slice of bacon? Part of the answer is that humans are evolutionarily programmed to crave fatty foods, which offer the biggest bang for the buck, nutritionally speaking, with more than twice the calorie density of protein- or starch-rich food.

SuperAger Brains Yield New Clues To Memories

February 5, 2015 2:36 pm | by Northwestern | News | Comments

SuperAgers, aged 80 and above, have distinctly different looking brains than those of normal older people, according to new Northwestern Medicine research that is beginning to reveal why the memories of these cognitively elite elders don’t suffer the usual ravages of time.

Tackling Cancer With a New Paradigm

February 5, 2015 2:33 pm | by Yale | News | Comments

In the 1980s, immunotherapy researcher Lieping Chen, M.D., Ph.D., embraced the career goal of curing one cancer. That lofty-seeming goal is beginning to look more modest today. Recent clinical trials have shown that one cancer after another is vulnerable to immune modulation therapy, a cancer-fighting strategy Chen pioneered that for years was considered marginal.

New Source of Cells for Modeling Malaria

February 5, 2015 2:29 pm | by MIT | News | Comments

In 2008, the World Health Organization announced a global effort to eradicate malaria, which kills about 800,000 people every year. As part of that goal, scientists are trying to develop new drugs that target the malaria parasite during the stage when it infects the human liver, which is crucial because some strains of malaria can lie dormant in the liver for several years before flaring up.

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