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2nd Dallas Nurse Tests Positive for Ebola

October 15, 2014 12:58 pm | by Emily Schmall and Nomaan Merchant - Associated Press - Associated Press | News | Comments

The second health care worker diagnosed with Ebola in Texas is a 29-year-old nurse who treated the Liberian man who died of the disease in a Dallas hospital.                           

Reversing Idiopathic Pulmonary Fibrosis

October 14, 2014 2:42 pm | by Cynthia Fox, Science Writer | Articles | Comments

Lethal fibrosis in lungs of mice with idiopathic pulmonary fibrosis (IPF) can be reversed, say researchers. No drug on the market can do this. But the crew pulled it off, in mice, by temporarily restoring (a mimic of) one of the body’s own anti-fibrosis agents, sharply reduced in IPF: microRNA-29.

Ebola Death Rate Rises to 70%

October 14, 2014 1:03 pm | by Maria Cheng - AP Medical Writer - Associated Press | News | Comments

West Africa could face up to 10,000 new Ebola cases a week within two months, the World Health Organization warned Tuesday, adding that the death rate in the current outbreak has risen to 70 percent.               

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Exercise Can Improve Memory in People Over 60

October 14, 2014 12:53 pm | News | Comments

A new study shows that physical activity can improve memory performance in older people through increasing volume and blood flow in an area of the brain called hippocampus.                       

Damage to Brain ‘Hubs’ Causes Extensive Impairment

October 14, 2014 12:41 pm | News | Comments

Injuries to six brain areas are much more devastating to patients’ abilities to think and adapt to everyday challenges than damage to other parts of the brain, scientists have learned.                    

ALS Progression Linked to Increased Protein Instability

October 14, 2014 12:28 pm | News | Comments

A new study suggests a cause of amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig’s disease. The study provides evidence that those proteins linked to more severe forms of the disease are less stable structurally and more prone to form clusters or aggregates.

Stress May be Harder on Women’s Hearts than Men’s

October 14, 2014 12:20 pm | News | Comments

Researchers have known for decades that stress contributes to heart disease. But a new analysis shows mental stress may tax women’s hearts more than men’s.                           

Cellular 'Snooze Button' Advances Cancer, Biofuel Research

October 14, 2014 11:48 am | News | Comments

The discovery of a cellular snooze button has allowed a team of scientists to potentially improve biofuel production and offer insight on the early stages of cancer.                         

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Chemical from Broccoli Sprouts Promising Against Autism

October 14, 2014 11:41 am | News | Comments

Results of a small clinical trial suggest that a chemical derived from broccoli sprouts— and best known for claims that it can help prevent certain cancers— may ease classic behavioral symptoms in those with autism spectrum disorders (ASDs).   

Bacterial Defense Policies

October 13, 2014 2:14 pm | News | Comments

A research team has used high-resolution cryo-electron microscopy to obtain novel insights into the ultrastructural changes in an intracellular machine associated with the acquisition of resistance to the antibiotic erythromycin.      

Gene Links Rare Infections with Predisposition to Autoimmune Disease

October 13, 2014 1:47 pm | News | Comments

Scientists discovered an immune protein with paradoxical roles: It both aids and tamps down aspects of an immune system response, according to new research.                           

What Happens to Your Brain When Your Mind is at Rest?

October 13, 2014 1:34 pm | News | Comments

For many years, the focus of brain mapping was to examine changes in the brain that occur when people are attentively engaged in an activity. No one spent much time thinking about what happens to the brain when people are doing very little. But new research has done just that.

Scientists Sniff Out Unexpected Role for Stem Cells in the Brain

October 13, 2014 1:09 pm | Videos | Comments

Scientists report that newly formed brain cells in the mouse olfactory system— the area that processes smells— play a critical role in maintaining proper connections.                        

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Sensors to Simplify Diabetes Management

October 13, 2014 12:50 pm | News | Comments

For many patients diagnosed with diabetes, treating the disease can mean a burdensome and uncomfortable lifelong routine of monitoring blood sugar levels and injecting the insulin that their bodies don't naturally produce. Now, tiny biosensors are being developed that could one day eliminate the need for these manual blood sugar tests.

Ebola is Modern Era's Worst Health Emergency

October 13, 2014 7:37 am | by Jim Gomez - Associated Press - Associated Press | News | Comments

The World Health Organization called the Ebola outbreak "the most severe, acute health emergency seen in modern times" on Monday but also said that economic disruptions can be curbed if people are adequately informed to prevent irrational moves to dodge infection.

Can U.S. Hospitals Handle Ebola?

October 13, 2014 4:36 am | by Marilynn Marchione - AP Chief Medical Writer - Associated Press | News | Comments

A breach of infection control resulting in a Dallas health worker getting Ebola raises fresh questions about whether hospitals truly can safely take care of people with the deadly virus, as health officials insist is possible.         

Newly Discovered Brain Cells Explain Oxytocin's Prosocial Effect

October 10, 2014 11:43 am | News | Comments

Oxytocin, the body’s natural love potion, helps couples fall in love, makes mothers bond with their babies, and encourages teams to work together. Now, new research reveals a mechanism by which this prosocial hormone has its effect on interactions between the sexes, at least in certain situations. The key is a newly discovered class of brain cells.

Neural Stem Cell Overgrowth, Autism-like Behavior May be Linked

October 10, 2014 11:36 am | News | Comments

People with autism spectrum disorder often experience a period of accelerated brain growth after birth. No one knows why, or whether the change is linked to any specific behavioral changes. A new mouse study demonstrates how inflammation can trigger an excessive division of neural stem cells that can cause “overgrowth” in offspring’s brain.

Manipulating Memory with Light

October 10, 2014 11:30 am | News | Comments

Just look into the light: not quite, but researchers have used light to erase specific memories in mice, and proved a basic theory of how different parts of the brain work together to retrieve episodic memories.            

Similar but Different: New Discovery for Degenerative Disease

October 10, 2014 11:26 am | News | Comments

Researchers have established how two degenerative diseases that present in similar ways are in fact quite different. Progressive Supranuclear palsy (PSP) and Parkinson’s disease (PD) have overlapping symptoms but remain difficult to distinguish.

New Brain-repairing Mechanism Discovered

October 10, 2014 11:18 am | News | Comments

A previously unknown mechanism through which the brain produces new nerve cells after a stroke has been discovered. The researchers have shown that following an induced stroke in mice, support cells, so-called astrocytes, start to form nerve cells in the injured part of the brain.

Unusual Skin Cancer Linked to Chronic Metal Allergy

October 10, 2014 10:45 am | News | Comments

In rare cases, patients with allergies to metals develop persistent skin rashes after metal devices are implanted near the skin. New research suggests these patients may be at increased risk of an unusual and aggressive form of skin cancer.   

'Good' Fat Can Fight Diabetes

October 10, 2014 10:38 am | Videos | Comments

Scientists have discovered a new class of molecules– produced in human and mouse fat– that protects against diabetes. The researchers found that giving this new fat to mice with the equivalent of type 2 diabetes lowered their elevated blood sugar.

Researchers Begin Ebola Vaccine Study in Africa

October 9, 2014 5:52 pm | by The Associated Press | News | Comments

The first study of a possible Ebola vaccine is underway in Africa: University of Maryland researchers say three health care workers in Mali received the experimental shots.                       

Grapefruit Juice Stems Weight Gain in Mice

October 9, 2014 1:47 pm | News | Comments

Fad diets come and go, but might there be something to the ones that involve consuming grapefruit and grapefruit juice? New research suggests that a closer look at grapefruit juice is warranted.                

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