Brain News and Research

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The human brain is the center of the human nervous system and is a highly complex organ. Enclosed in the cranium, it has the same general structure as the brains of other mammals, but is over three times as large as the brain of a typical mammal with an equivalent body size.

Nanoworms developed to target tumors

Scientists at UC San Diego, UC Santa Barbara and MIT have developed nanometer-sized "nanoworms" that can cruise through the bloodstream without significant interference from the body's immune defense system and-like tiny anti-cancer missiles-home in on tumors.

7 May 2008

Study suggests caution on a new anti-obesity drug in children

A new class of anti-obesity drugs that suppresses appetite by blocking cannabinoid receptors in the brain could also suppress the adaptive rewiring of the brain necessary for neural development in children, studies with mice have indicated.

7 May 2008

A new search for causes of autism

Dr. Eric Fombonne, from the Research Institute of the MUHC at the Montreal Children's Hospital, is involved in a multi-site consortium to gather DNA samples from 2,000 autism patients and their families over the next three years.

7 May 2008

Enkephalin pathway shows potential as new target for Alzheimer's

Alzheimer's disease (AD) is an incurable disease that is increasing in prevalence and will increase even more rapidly as the Baby Boom generation enters the age of highest risk. The available AD drugs are only partially effective in some patients. New strategies are urgently needed.

7 May 2008

New study shows how sounds are amplified in the inner ear

St. Jude Children's Research Hospital investigators have found that an electrically powered amplification mechanism in the cochlea of the ear is critical to the acute hearing of humans and other mammals. The findings will enable better understanding of how hearing loss can result from malfunction of this amplification machinery due to genetic mutation or overdose of drugs such as aspirin.

7 May 2008

Major mental disorders cost society billions in unearned income

Major mental disorders cost the nation at least $193 billion annually in lost earnings alone, according to a new study funded by the National Institutes of Health's National Institute of Mental Health (NIMH). The study was published in the May 2008 issue of the American Journal of Psychiatry.

7 May 2008

Obesity can increase dementia risk by up to 80 per cent - people who are underweight also face an elevated risk

Being obese can increase the risk of Alzheimer's Disease by as much as 80 per cent, according to a study in the May issue of the UK-based journal Obesity Reviews.

7 May 2008

Suicide victims who were abused have genetic brain difference

Canadian researchers have found that childhood abuse victims who later commit suicide have marked genetic differences in their brains.

7 May 2008

Chemical in plastic baby bottles worrying Brits

Concerns raised by scientists in the U.S. last month about Bisphenol A, a controversial chemical found in most plastic baby bottles has led to calls from groups in Britain for all baby bottles to be clearly labelled.

7 May 2008

Nurse care for schizophrenia patients

Drug and psychosocial interventions for the symptoms of schizophrenic disorders contribute to a lower incidence and prevalence of schizophrenia. Nurses will be able to offer better care through the use of nursing models and theories in the care of Schizophrenics.

6 May 2008

Corticosteroids provide no survival benefit for children with bacterial meningitis

Corticosteroids given to children who are hospitalized for bacterial meningitis do not provide a benefit in survival or in reduced hospital stays, according to a large multicenter study by pediatric researchers. This finding stands in contrast to previous studies in hospitalized adults, for which corticosteroids dramatically reduced mortality.

6 May 2008

Blocked brain enzyme shows potential as target for appetite control, weight loss and blood sugar management

Imagine being able to tone down appetite and promote weight loss, while improving the body's ability to handle blood sugar levels.

6 May 2008

Gut hormone makes food appear more desirable

A gut hormone that causes people to eat more does so by making food appear more desirable, suggests a new report in the May issue of Cell Metabolism, a publication of Cell Press. In a brain imaging study of individuals, the researchers found that reward centers respond more strongly to pictures of food in subjects who had received an infusion of the hormone known as ghrelin.

6 May 2008

Patent claims allowed covering Samaritan's Alzheimer's memory recovery drug in Australia

Samaritan Pharmaceuticals, a biopharmaceutical company committed to commercializing new innovative therapeutic drugs, has received notification that the claims in the patent application for "Neuroprotective Spirostenol Pharmaceutical Compositions" covering Caprospinol (SP-233) have been allowed by the Australian Patent Office.

6 May 2008

Killer competition: neurons duke it out for survival!

The developing nervous system makes far more nerve cells than are needed to ensure target organs and tissues are properly connected to the nervous system. As nerves connect to target organs, they somehow compete with each other resulting in some living and some dying.

6 May 2008

Autonomous robot surgery a step closer

The day may be getting a little closer when robots will perform surgery on patients in dangerous situations or in remote locations, such as on the battlefield or in space, with minimal human guidance.

6 May 2008

Ibuprofen found to reduce the risk of Alzheimer's

A large study by scientists in the U.S. has revealed that the long-term use of ibuprofen may reduce the risk of a person developing Alzheimer's disease.

6 May 2008

Prana Biotechnology has discovered novel drug candidates for use in Parkinson's disease

Prana Biotechnology Limited has announced that it has identified novel therapeutic drug candidates from its Parkinson's disease program. Already, a lead candidate drug has demonstrated positive effects in pre-clinical studies, protecting the brain from damage to the substantia nigra, the area of the brain affected in Parkinson's disease.

6 May 2008

Short arms and legs could mean greater dementia risk

People with shorter arms and legs may be at a higher risk for developing dementia later in life compared to people with longer arms and legs, according to a study published in the May 6, 2008, bonus issue of Neurology, the medical journal of the American Academy of Neurology.

5 May 2008

Breastfeeding may improve children's IQ scores - other measures of cognitive development

Long-term, exclusive breastfeeding appears to improve children's cognitive development, according to a report in the May issue of Archives of General Psychiatry.

5 May 2008