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.

Post brain injury: New nerve cells originate from neural stem cells

Most cells in the human brain are not nerve cells, but supporting cells (glial cells).

12 Mar 2008

Switch for programmed cell death promotes spread of glioblastoma

Malignant tumors have usually lost their ability to destroy themselves by programmed cell death, or apoptosis.

12 Mar 2008

New resuscitation approach for out-of-hospital cardiac arrest associated with increased survival

Patients who had cardiac arrests outside of the hospital setting and were treated with a resuscitation approach designed to limit interruption of chest compressions, termed minimally interrupted cardiac resuscitation (MICR), were more likely to survive than those patients who received standard treatments, according to a study in the March 12 issue of JAMA.

12 Mar 2008

Blood test for Parkinson's shows promise

A test that profiles molecular biomarkers in blood could become the first accurate diagnostic test for Parkinson's disease, new research shows.

12 Mar 2008

Scientists discover epigenetic changes in schizophrenia and bipolar disorder

Scientists have discovered epigenetic changes (i.e. chemical changes to a gene that do not alter the DNA sequence) in individuals with schizophrenia and bipolar disorder.

12 Mar 2008

Simple blood test could show whether an antidepressant is working

Researchers in the United States have discovered that a single protein in the brain changes its location within a cell membrane when an antidepressant is working.

11 Mar 2008

Virtual reality therapy for stroke patients

Israeli hospitals have recently started to use virtual reality therapy for stroke patients.

11 Mar 2008

Novel brain cancer drug HhAntag for children may damage bones

A novel drug that fully eliminated brain tumors from mice in a dramatic 2004 study has shown a darker side - causing permanent bone damage in younger mice.

11 Mar 2008

Post-stroke clot-busting therapy beneficial for patients on aspirin

Patients given a clot-busting drug following stroke appear to have better outcomes if they were already taking anti-platelet medications, despite an apparent increased risk for bleeding in the brain, according to an article posted online that will appear in the May 2008 print issue of Archives of Neurology.

11 Mar 2008

Poor sleep more dangerous for women

Researchers at Duke University Medical Center say they may have figured out why poor sleep does more harm to cardiovascular health in women than in men.

11 Mar 2008

Magnesium linked to lower risk for some strokes in male smokers

Male smokers who consume more magnesium appear to have a lower risk for cerebral infarction, a type of stroke that occurs when blood flow to the brain is blocked, according to a report in the March 10 issue of Archives of Internal Medicine.

11 Mar 2008

Cell therapy for rejuvenating aged brain by injection of human umbilical cord blood

When human umbilical cord blood cells (UCBC) were injected into aged laboratory animals, researchers at the University of South Florida (USF) found improvements in the microenvironment of the hippocampus region of the animals' brains and a subsequent rejuvenation of neural stem/progenitor cells.

11 Mar 2008

How do infections and toxins launch a cell's self-destruct and alarm system?

Cells are coded with several programs for self-destruction.

11 Mar 2008

Idiopathic intracranial hypertension leads to vision loss more often in blacks

Black people are more likely to lose vision as a result of idiopathic intracranial hypertension, or increased pressure in the brain, according to a study published in the March 11, 2008, issue of Neurology, the medical journal of the American Academy of Neurology.

11 Mar 2008

Just one hour of exposure to diesel exhaust fumes induces a stress response in brain

If the smell of diesel exhaust isn't enough to make you avoid getting a lungful, new research now shows that even a short exposure to the fumes can affect your brain.

11 Mar 2008

Hib meningitis eliminated in children under 5 in Uganda

Hib meningitis has been virtually eliminated in young children in Uganda just five years after the country introduced Haemophilus influenzae type b (Hib) vaccine nationwide, according to an independent study.

11 Mar 2008

Nanoparticulate matter from exhaust fumes alter the way the brain functions

Dutch researchers say exhaust fumes may give you more than a headache, they could in fact alter the way the brain functions.

11 Mar 2008

Pain in fibromyalgia is linked to changes in brain molecule

Researchers at the University of Michigan Health System have found a key linkage between pain and a specific brain molecule, a discovery that lends new insight into fibromyalgia, an often-baffling chronic pain condition.

10 Mar 2008

Small-bodied humans from island of Palau

Since the reporting of the so-called "hobbit" fossil from the island of Flores in Indonesia, debate has raged as to whether these remains are of modern humans (Homo sapiens), reduced, for some reason, in stature, or whether they represent a new species, Homo floresiensis.

10 Mar 2008