News tagged with brain chemicals

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

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

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

Brain chemical reduces anxiety, increases survival of new cells

New research on a brain chemical involved in development sheds light on why some individuals may be predisposed to anxiety. It also strengthens understanding of cellular processes that may be common to anxiety and depression, ...

Medicine & Health / Neuroscience

created May 12, 2009 | popularity 4.5 / 5 (11) | 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

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

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

Bright stars of the brain regulate breathing

Astrocytes - brain cells named after their characteristic star-shape and previously thought to act only as the 'glue' between neurons, have a central role in the regulation of breathing, according to scientists.

Medicine & Health / Neuroscience

created Jul 15, 2010 | popularity 5 / 5 (8) | comments 1 | with audio podcast

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

Brain chemical finding could open door to new schizophrenia drugs

New research has linked psychosis with an abnormal relationship between two signalling chemicals in the brain. The findings, published in tomorrow's edition of the journal Biological Psychiatry, suggest a new approach to pre ...

Medicine & Health / Psychology & Psychiatry

created Sep 30, 2010 | popularity 5 / 5 (7) | comments 1 | with audio podcast

Desire and dread: Brain's computer has separate keyboard to control powerful emotions

(PhysOrg.com) -- Controlling powerful emotional reactions is often difficult because the brain's computer has a separate "keyboard" that controls feelings within extreme emotions like desire and dread, according to University ...

Medicine & Health / Psychology & Psychiatry

created Jun 30, 2010 | popularity 4.7 / 5 (7) | 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

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

Scientists seek to manage dopamine's good and bad sides

The good, the bad and the ugly: That's a quick summary of the effects of dopamine, a natural brain chemical that's linked to pleasure, addiction and disease.

Medicine & Health / Medical research

created Oct 07, 2009 | popularity 5 / 5 (6) | 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