Health
Everyone 'is now polluted'
Virtually every human being on Earth can now be considered physiologically and biochemically polluted by human-made chemicals, a leading medical doctor will tell CleanUp 2013 in Melbourne today.
Sep 16, 2013
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Page 18 - News tagged with brain chemicals
Alzheimer's disease & dementia
Alzheimer's patients show striking individual differences in molecular basis of disease
Alzheimer's disease is thought to be caused by the buildup of abnormal, thread-like protein deposits in the brain, but little is known about the molecular structures of these so-called beta-amyloid fibrils. A study published ...
Sep 12, 2013
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Psychology & Psychiatry
Perception of marijuana as a 'safe drug' is scientifically inaccurate
The nature of the teenage brain makes users of cannabis amongst this population particularly at risk of developing addictive behaviors and suffering other long-term negative effects, according to researchers at the University ...
Aug 27, 2013
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Genetics
Gene combinations help predict treatment success for alcoholism medication
An experimental treatment for alcohol dependence works better in individuals who possess specific combinations of genes that regulate the function and binding of serotonin, a brain chemical affected by the treatment, according ...
Aug 5, 2013
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Attention deficit disorders
Brain imaging shows how prolonged treatment of a behavioral disorder restores a normal response to rewards
Attention-deficit/hyperactivity disorder (ADHD) is characterized by abnormal behavioral traits such as inattention, impulsivity and hyperactivity. It is also associated with impaired processing of reward in the brain, meaning ...
Jun 28, 2013
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Neuroscience
Compound enhances SSRI antidepressant's effects in mice
A synthetic compound is able to turn off "secondary" vacuum cleaners in the brain that take up serotonin, resulting in the "happy" chemical being more plentiful, scientists from the School of Medicine at The University of ...
Jun 21, 2013
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Neuroscience
Scientists discover previously unknown requirement for brain development
Scientists at the Salk Institute for Biological Studies have demonstrated that sensory regions in the brain develop in a fundamentally different way than previously thought, a finding that may yield new insights into visual ...
Jun 21, 2013
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Medical research
Molecular imaging finds hurdle for smokers' vaccine
Researchers have yet again been sent back to the drawing board in the development of the much-sought-after vaccination for smokers, which would hypothetically inhibit the action of nicotine and its pleasure-producing chemical ...
Jun 11, 2013
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Medical research
High sugar intake linked to low dopamine release in insulin-resistant patients
(Medical Xpress)—Using positron emission tomography (PET) imaging of the brain, researchers have identified a sweet spot that operates in a disorderly way when simple sugars are introduced to people with insulin resistance, ...
Jun 11, 2013
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Alzheimer's disease & dementia
A molecular chain reaction in Alzheimer's disease
Researchers at Lund University in Sweden have identified the molecular mechanism behind the transformation of one of the components in Alzheimer's disease. They identified the crucial step leading to formations that kill ...
May 29, 2013
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