News tagged with brain chemicals

Molecular mechanism triggering Parkinson's disease identified

Scientists at the Stanford University School of Medicine have identified a molecular pathway responsible for the death of key nerve cells whose loss causes Parkinson's disease. This discovery not only may explain how a genetic ...

Medicine & Health / Medical research

created Jul 28, 2010 | popularity 5 / 5 (7) | comments 6 | with audio podcast

Exercise's brain benefits

(PhysOrg.com) -- Athletes have long known about the natural "high" exercise can induce. Now, for the first time, medical researchers have demonstrated that exercise can reverse the effects in the brain of psychological trauma ...

Medicine & Health / Psychology & Psychiatry

created Jul 14, 2010 | popularity 4.7 / 5 (12) | comments 1 | with audio podcast

Dopamine enhances expectation of pleasure in humans

(PhysOrg.com) -- Enhancing the effects of the brain chemical dopamine influences how people make life choices by affecting expectations of pleasure, according to new research from the UCL Institute of Neurology.

Medicine & Health / Neuroscience

created Nov 12, 2009 | popularity 4.2 / 5 (10) | comments 0

Scientists present first genetic evidence for why placebos work

usually mere sugar pills designed to represent "no treatment" in a clinical treatment study. The effectiveness of the actual medication is compared with the placebo to determine if the medication works.

Medicine & Health / Medical research

created Jul 20, 2009 | popularity 4.4 / 5 (11) | comments 4

Workhorse immune molecules lead secret lives in the brain

Molecules assumed to be in the exclusive employ of the immune system have been caught moonlighting in the brain - with a job description apparently quite distinct from their role in immunity.

Medicine & Health / Neuroscience

created Mar 30, 2009 | popularity 5 / 5 (3) | comments 0

Research supports toxoplasmosis link to schizophrenia

Scientists have discovered how the toxoplasmosis parasite may trigger the development of schizophrenia and other bipolar disorders.

Medicine & Health / Diseases, Conditions, Syndromes

created Mar 11, 2009 | popularity 4.7 / 5 (10) | comments 0

How a brain chemical changes locusts from harmless grasshoppers to swarming pests

(PhysOrg.com) -- Scientists have uncovered the underlying biological reason why locusts form migrating swarms. Their findings, reported in today's edition of Science, could be used in the future to prevent ...

Biology /

created Jan 29, 2009 | popularity 4.8 / 5 (6) | comments 2

Making a bee-line for the best rewards

Bumblebees use complex problem solving skills to minimise the energy they use when flying to collect food, according to new research from Queen Mary, University of London.

Biology / Plants & Animals

created Aug 17, 2011 | popularity not rated yet | comments 0 | with audio podcast

Just add water and treat brain cancer

Researchers at the Johns Hopkins University School of Medicine have developed a technique that delivers gene therapy into human brain cancer cells using nanoparticles that can be freeze-dried and stored for up to three months ...

Nanotechnology / Bio & Medicine

created Jul 06, 2011 | popularity 5 / 5 (10) | comments 1 | with audio podcast

New imaging tech promising for diagnosing cardiovascular disease, diabetes

Researchers have developed a new type of imaging technology to diagnose cardiovascular disease and other disorders by measuring ultrasound signals from molecules exposed to a fast-pulsing laser.

Physics / General Physics

created Jun 09, 2011 | popularity not rated yet | comments 0 | with audio podcast

What drugs do to the brain

Drug abuse is probably linked to an in-built tendency to act without thinking, as shown by studies of siblings of chronic stimulant users, a leading neuroscientist will claim this week.

Medicine & Health / Neuroscience

created Mar 17, 2011 | popularity 3.9 / 5 (8) | comments 6 | with audio podcast

Binge eaters' dopamine levels spike at sight, smell of food

(PhysOrg.com) -- A brain imaging study at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory reveals a subtle difference between ordinary obese subjects and those who compulsively overeat, ...

Medicine & Health / Medical research

created Feb 28, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Compound blocks brain cell destruction in Parkinson's disease

Scientists from the Florida campus of The Scripps Research Institute have produced the first known compound to show significant effectiveness in protecting brain cells directly affected by Parkinson's disease, a progressive ...

Medicine & Health / Neuroscience

created Feb 11, 2011 | popularity 4.7 / 5 (12) | comments 1 | with audio podcast

Naturally occurring brain signaling chemical may be useful in understanding Parkinson's

Targeting the neuroinflammatory causes of Parkinson's disease with a naturally present brain chemical signal could offer a better understanding of the clinical mechanisms of the disease and open a future therapeutic window, ...

Medicine & Health / Neuroscience

created Feb 11, 2011 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Brain can learn to overcome sleep apnea, scientists find

New research from the University of Toronto could provide some restful nights for the 18 million North Americans who suffer from obstructive sleep apnea.

Medicine & Health / Sleep apnea

created Feb 01, 2011 | popularity 4.6 / 5 (7) | comments 7 | with audio podcast