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Human hormone shows potential as new antidepressant agent

Novel treatment strategies for major depression with broader treatment success or a more rapid onset of action would have immense impact on public health, a new study published in the December 1st issue of Biological Psychiatry explains.

12 Dec 2007

Exercise testing may help predict seriousness of mitral regurgitation

In as many as one in five people over age 55, when the heart contracts to send blood around the body, some degree of backward leakage occurs across the mitral valve, a condition known as mitral regurgitation (MR).

12 Dec 2007

Addition of antibiotics to MS therapy could slow down progression of the disease

Researchers from Louisiana State University in the U.S. are suggesting that the addition of antibiotics to standard drug therapy for multiple sclerosis, may slow down the progress of the disease.

11 Dec 2007

Combination therapy including antibiotics may be beneficial for multiple sclerosis

A preliminary study suggests that combining a medication currently used to treat multiple sclerosis with an antibiotic may slow the progress of the disease, according to an article posted online today that will appear in the February 2008 print issue of Archives of Neurology.

10 Dec 2007

Children with sickle cell disease, silent strokes show some relief with blood transfusions

A group of children who have sickle cell disease and who experience silent strokes showed some relief from the silent strokes with blood transfusion therapy, researchers at Washington University School of Medicine in St. Louis have found.

10 Dec 2007

Calcium in coronary arteries may be linked to increased risk for heart disease in low-risk women

About 5 percent of women considered low-risk for heart disease by current classification standards have evidence of advanced coronary artery calcium and may be at increased risk for cardiovascular events, according to a report in the December 10/24 issue of Archives of Internal Medicine.

10 Dec 2007

Potential blood test to detect lung cancer

A test for four blood proteins may provide a less-invasive follow-up for patients who have suspicious lesions on chest radiographs or computerized tomography (CT) scans, according to a new study led by Duke University Medical Center researchers.

10 Dec 2007

Genetic animal model of autism

By introducing a gene mutation in mice, investigators have created what they believe to be the first accurate model of autism not associated with a broader neuropsychiatric syndrome, according to research presented at the American College of Neuropsychopharmacology annual meeting.

10 Dec 2007

Brain overgrowth in 1-year-olds linked to development of autism

Brain overgrowth in the latter part of an infant's first year may contribute to the onset of autistic characteristics, according to research presented today at the American College of Neuropsychopharmacology (ACNP) annual meeting.

10 Dec 2007

New radiotherapy system benefits high-risk patients

A new radiotherapy system that combines high-tech imaging with precision tumor-targeting capability is helping cancer specialists at Stony Brook University Medical Center treat patients.

10 Dec 2007

Researchers photograph cystic fibrosis protein interaction

New microscopic pictures show the first-ever physical evidence of interaction between two proteins involved in Cystic Fibrosis (CF) disease.

10 Dec 2007

Older brains out of sync - memory and reasoning impaired

According to new research from the U.S., as people get older communication between different regions of the brain breaks down.

6 Dec 2007

Growing old can affect the higher-level brain systems that govern cognition

A team of Howard Hughes Medical Institute researchers has shown that normal aging disrupts communication between different regions of the brain.

5 Dec 2007

Smell experience during critical period alters brain

Unlike the circuitry of the visual system, that of the olfactory system was thought to be hardwired: Once the neurons had formed, no amount of sensory input could change their arrangement.

5 Dec 2007

Pheromones identified that trigger aggression between male mice

A family of proteins commonly found in mouse urine is able to trigger fighting between male mice, a study in the Dec. 6, 2007, issue of Nature has found.

5 Dec 2007

Cognitive 'fog' of normal aging linked to brain system disruption

Comparisons of the brains of young and old people have revealed that normal aging may cause cognitive decline due to deterioration of the connections among large-scale brain systems.

5 Dec 2007

Breast MRI spots other cancers, may alter treatment plan

In about 20 percent of women with breast cancer who plan to undergo a lumpectomy, breast magnetic resonance imaging reveals important diagnostic information that alters their treatment plan, University of Florida surgeons reported today (Dec. 5).

5 Dec 2007

Doctors in the U.S. slow to report an incompetent or unethical colleague

The results of a new survey of doctors in the States suggests that the majority of them, regardless of what they may say, are reluctant to report incompetent or unethical colleagues.

4 Dec 2007

Researchers gain new understanding of the causes of dyslexia

Dyslexia marked by poor reading fluency - slow and choppy reading - may be caused by disorganized, meandering tracts of nerve fibers in the brain, according to researchers at Children's Hospital Boston and Beth Israel Deaconess Medical Center (BIDMC).

4 Dec 2007

Genetic markers for mental illness

Researchers have discovered natural genetic differences that might help predict the most effective antipsychotic drugs for particular patients with mental disorders such as schizophrenia, Parkinson's and drug addiction.

4 Dec 2007