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Naturally occurring brain chemical acetylcholine enhances visual processing

Neuroscientists at New York University have found that a naturally occurring chemical in the brain can enhance visual processing and suggest that this chemical may represent part of the biological basis of visual attention.

21 Nov 2007

New study finds blood-spinal cord barrier compromised in mice with ALS

The blood-spinal cord barrier is functionally impaired in areas of motor neuron damage in mice modeling amyotrophic lateral sclerosis (ALS), report researchers at the University of South Florida Center for Aging and Brain Repair.

21 Nov 2007

New Zeiss microscope peers into secret lives of cells

“See those white sparks?” asks Kirk Czymmek, as he points to the video on his computer screen of a highly magnified heart cell in action.

21 Nov 2007

New discoveries about nitric oxide can provide drugs for schizophrenia

Problems with memory and social function in patients with schizophrenia may result from an imbalance in the brain’s nitric oxide system.

21 Nov 2007

Molecular foreman discovered for brain wiring

Researchers have identified a master regulatory molecule that is responsible for triggering the remodeling of neuronal connections that is critical for learning.

21 Nov 2007

Mapping the selective brain

Researchers have added a new piece to the puzzle of how the brain selectively amplifies those distinctions that matter most from the continuous cascade of sights, sounds, and other sensory input.

21 Nov 2007

Lung transplants do more harm than good to children with cystic fibrosis

Lung transplantation, the therapy almost every cystic fibrosis patient (CF) considers at some point to prolong survival, rarely helps children with the disease live longer and, in fact, often increases their risk of dying, University of Utah researchers conclude in the most extensive study of the issue to date.

21 Nov 2007

Is there an objective biological basis for the experience of beauty in art?

Or is aesthetic experience entirely subjective? This question has been addressed in a paper published in this week's PLoS ONE, Cinzia Di Dio, Emiliano Macaluso and Giacomo Rizzolatti. The researchers used fMRI scans to study the neural activity in subjects with no knowledge of art criticism, who were shown images of Classical and Renaissance sculptures.

21 Nov 2007

How can we know early who will benefit from tumor target therapy?

The precise tailoring of tumor target treatment for patients with cancer is an unmet challenge.

21 Nov 2007

GlaxoSmithKline to acquire Reliant Pharmaceuticals

GlaxoSmithKline and Reliant Pharmaceuticals Inc. have announced that they had reached an agreement under which Reliant will be acquired by GSK for $1.65 billion (800 million pounds Sterling) in cash.

21 Nov 2007

FDA approves formulations of Zyrtec (cetirizine HCl) for nonprescription use

The U.S. Food and Drug Administration has approved tablet, chewable tablet, and syrup formulations of Zyrtec (cetirizine HCl) for nonprescription use.

21 Nov 2007

Moderate, long-term pain medication use does not impair a person's ability to drive safely

Moderate, long-term pain medication use does not impair a person's ability to drive safely, according to a study by Dr. Asokumar Buvanendran, associate professor, Department of Anesthesiology at Rush University Medical Center, Chicago.

21 Nov 2007

Lenalidomide - dexamethasone combination effective against multiple myeloma

Pairing a new thalidomide derivative with a steroid slows progress of multiple myeloma, an incurable bone marrow cancer, and prolongs the lives of patients who have relapsed from previous treatment, researchers report in the Nov. 22 New England Journal of Medicine.

21 Nov 2007

Sleep apnea and driving

Obstructive Sleep Apnea (OSA) is a disease that not many people know about although they may even suffer from it.

21 Nov 2007

Measures that are needed to curb humanity's most fatal diseases

Several of the world's most eminent health scientists and organizations today publish a landmark global consensus on the 20 foremost measures needed to curb humanity's most fatal diseases, their study featured in Nature magazine.

21 Nov 2007

Indomethacin a common drug for stopping preterm labor may be harmful for babies

A drug commonly used to halt premature labor may be associated with brain damage and intestinal issues in premature babies, according to a new analysis of studies on the issue publishedthis monthin American Journal of Obstetrics and Gynecology.

21 Nov 2007

Study looks at effects of smoking and breathing second-hand smoke along with drinking

Tobacco smoke-filled air is bad for cardiovascular health, and drinking alcohol at the same time only makes it worse, according to researchers at the University of Alabama at Birmingham (UAB).

21 Nov 2007

Carbon monoxide counteracts one side-effect of an anti-cancer drug

Doxorubicin (DOX) is a red-colored anticancer drug that carries serious side effects for the heart, including cardiac muscle deterioration (cardiomyopathy) and scar tissue accumulation in the heart (fibrosis).

21 Nov 2007

There is a new twist on the question of how biological clocks work

In recent years, scientists have discovered that biological clocks help organize a dizzying array of biochemical processes in the body. Despite a number of hypotheses, exactly how the microscopic pacemakers in every cell in the body exert such a widespread influence has remained a mystery.

21 Nov 2007

Threat women face from vascular disease not widely understood

Though arterial vascular disease is widespread and often deadly among older American women, doctors too often fail to spot and treat it, according to a new report by a team of vascular surgeons from the Columbia University Medical Center and Weill Cornell Medical College campuses of NewYork-Presbyterian Hospital.

21 Nov 2007