Medical research

A new agent for brain diseases: mRNA

A lack of oxygen to brain tissue—known as ischemia—leads to the death of neurons, which results in stroke. Despite considerable research, there are currently no treatments that successfully prevent neuronal death. Now, ...

Neuroscience

Compounds block stress-enhanced nicotine intake in rats

Stress is a major cause of relapse after people quit smoking. Worrying situations, such as money or relationship problems, can affect neurotransmitter levels in the brain, leading former smokers to reach for a cigarette. ...

Psychology & Psychiatry

How fear persists in the mouse brain

Most people have experienced, at some point in their lives, a sudden unexpected fright. Even after a shadowy figure in a darkened room turns out to just be a chair, your heart rate is still high, your palms stay sweaty, and ...

Medical research

Brain regions found in rats that drive stress response

A team of researchers at the Nagoya University Graduate School of Medicine in Japan has found what they describe as the central master driver of psychosocial stress responses in rats. In their paper published in the journal ...

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