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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.

Insulin receptor stops progression of Alzheimer's disease

Stimulation of a receptor in the brain that controls insulin responses has been shown to halt or diminish the neurodegeneration of Alzheimer's disease, providing evidence that the disease can be treated in its early stages, according to a study by researchers at Rhode Island Hospital and Brown Medical School.

21 Sep 2006

Acne drug leads to depression-related behavior in mice

A drug commonly used to treat severe acne can lead to depression-related behavior in mice, according to research published in the journal Neuropsychopharmacology by scientists from The University of Texas at Austin and the University of Bath.

21 Sep 2006

Leptin could combat type 2 diabetes

University of Florida researchers have discovered the appetite-controlling hormone leptin could also combat type 2 diabetes, a disease that has become a growing problem in the United States as more Americans pack on extra pounds.

21 Sep 2006

How the brain resolves emotional conflict

Daily life requires that people cope with distracting emotions--from the basketball player who must make a crucial shot amidst a screaming crowd, to a salesman under pressure delivering an important pitch to a client.

21 Sep 2006

High hourly air pollution levels more than double stroke risk

High hourly levels of air pollution, more than double the risk of one type of stroke, suggests research published ahead of print in Occupational and Environmental Medicine.

21 Sep 2006

Cabernet Sauvignon may reduce incidence of Alzheimer's Disease

A new study directed by Mount Sinai School of Medicine has found that moderate red wine consumption in a form of Cabernet Sauvignon may help reduce the incidence of Alzheimer's Disease (AD).

20 Sep 2006

Young children who take music lessons show different brain development and improved memory

Researchers have found the first evidence that young children who take music lessons show different brain development and improved memory over the course of a year compared to children who do not receive musical training.

20 Sep 2006

Nicotinamide may help people with multiple sclerosis

Researchers have found a possible way to protect people with multiple sclerosis (MS) from severe long-term disability: increase nervous-system levels of a vital compound, called nicotinamide adenine dinucleotide (NAD), by giving its chemical precursor - nicotinamide, a form of vitamin B3.

19 Sep 2006

Fat droplets play protective role inside cells

Too much body fat may be a bad thing, but there is increasing evidence that too little fat also may have some surprisingly negative consequences.

19 Sep 2006

Acne drug Roaccutane linked to depression

A drug commonly used to treat severe acne can lead to depressive behaviour in mice, according to research published in the journal Neuropsychopharmacology.

19 Sep 2006

Live H5N1 avian flu vaccines show promise

When tested in mice and ferrets, experimental vaccines based on live, weakened versions of different strains of the H5N1 avian influenza virus were well-tolerated and protected the animals from a deadly infection with naturally occurring H5N1 flu viruses.

13 Sep 2006

NIH to map genomic changes of lung, brain, and ovarian cancers

It is estimated that 174,470 new cases of lung cancer will be diagnosed in the United States in 2006. Lung cancer is the major cause of cancer-related mortality in both men and women, with an estimated 162,460 deaths expected to occur in 2006.

13 Sep 2006

Green tea slows down plaque formation in Huntington's disease

Green tea can apparently inhibit the formation of the lethal protein aggregates that are a characteristic feature of Huntington's disease (HD).

13 Sep 2006

MIT device to detect and prevent epileptic seizures

Epilepsy affects about 50 million people worldwide, and while anticonvulsant medications can reduce the frequency of seizures, the drugs are ineffective for as many as one in three patients.

12 Sep 2006

Nicotine shows potential medical benefits

Nicotine may improve the symptoms of depression in people who do not smoke, Duke University Medical Center scientists have discovered.

12 Sep 2006

Live H5N1 avian flu virus vaccines show protection in animal studies

12 Sep 2006

Seniors who feel their 'mind is going' could very well be right

Older people who complain their "mind is going" may in fact actually be losing a part of their brain along with their memory.

12 Sep 2006

Link between weight loss and dementia

A long-term study of the elderly has revealed that their average rate of weight loss doubles in the year before symptoms of Alzheimer's-type dementia first become detectable.

12 Sep 2006

Older adults who complain their "mind is going" may be losing a part of their brain along with their memory

The study, which looked at 120 people over the age of 60, found people who complained of significant memory problems but still had normal performance on memory tests had reduced gray matter density in their brains even though they weren't diagnosed with Alzheimer's disease or mild cognitive impairment (MCI).

12 Sep 2006

SSRIs associated with severe violence in a small number of individuals

Use of one class of antidepressant drugs, the SSRIs (selective serotonin reuptake inhibitors), may be associated with severe violence in a small number of individuals say the authors of paper published in PLoS Medicine.

12 Sep 2006