Psychology & Psychiatry

Scientists identify new gene linked to PTSD

Investigators at Boston University School of Medicine (BUSM) and Veterans Affairs (VA) Boston Healthcare System have identified a new gene linked to post-traumatic stress disorder (PTSD). The findings, published online in ...

Psychology & Psychiatry

Childhood defiance correlated with drug dependence

Children who exhibit oppositional behavior run the risk of becoming addicted to nicotine, cannabis and cocaine whilst Inattention symptoms represent a specific additional risk of nicotine addiction. Nevertheless, hyperactivity ...

Psychology & Psychiatry

Stress shrank brain area of Japan tsunami survivors: study

Emotional stress caused by last year's tsunami caused a part of some survivors' brains to shrink, according to scientists in Japan who grasped a unique chance to study the neurological effects of trauma.

Psychology & Psychiatry

Exploring the antidepressant effects of testosterone

Testosterone, the primary male sex hormone, appears to have antidepressant properties, but the exact mechanisms underlying its effects have remained unclear. Nicole Carrier and Mohamed Kabbaj, scientists at Florida State ...

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