Medical research

Chemical reaction keeps stroke-damaged brain from repairing itself

Nitric oxide, a gaseous molecule produced in the brain, can damage neurons. When the brain produces too much nitric oxide, it contributes to the severity and progression of stroke and neurodegenerative diseases such as Alzheimer's. ...

Neuroscience

Brain circuit can tune anxiety

Anxiety disorders, which include posttraumatic stress disorder, social phobias and obsessive-compulsive disorder, affect 40 million American adults in a given year. Currently available treatments, such as antianxiety drugs, ...

Medical research

Epigenetic culprit in Alzheimer's memory decline

In a mouse model of Alzheimer's disease, memory problems stem from an overactive enzyme that shuts off genes related to neuron communication, a new study says.

Neuroscience

Researchers move closer to delaying dementia

(Medical Xpress) -- Scientists at University of Queensland's Brain Institute are one step closer to developing new therapies for treating dementia.

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