Neuroscience

Why stress doesn't always cause depression

Rats susceptible to anhedonia, a core symptom of depression, possess more serotonin neurons after being exposed to chronic stress, but the effect can be reversed through amygdala activation, according to new research in the ...

Health

The lifelong health benefits of intimacy

(HealthDay)—Much research has explored the mental and physical health benefits of maintaining social contacts well into later life. Studies also show that maintaining sexual health can have profound benefits that may include ...

Neuroscience

Discovery could yield treatment for cocaine addicts

Scientists have discovered a molecular process in the brain triggered by cocaine use that could provide a target for treatments to prevent or reverse addiction to the drug.

Psychology & Psychiatry

Researchers investigate the role of tickling in adult sexuality

Scientists at the Institute of Pathophysiology of the University Medical Center Mainz made the first comprehensive analysis on how adults use tickling in connection with sexual activity. As part of their study, they surveyed ...

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