Helping your fellow rat: Rodents show empathy-driven behavior

The first evidence of empathy-driven helping behavior in rodents has been observed in laboratory rats that repeatedly free companions from a restraint, according to a new study by University of Chicago neuroscientists. The observation, published today…

Ecstasy drug produces lasting toxicity in the brain

Recreational use of Ecstasy — the illegal “rave” drug that produces feelings of euphoria and emotional warmth — is associated with chronic changes in the human brain, Vanderbilt University investigators have discovered.
The findings, reported onl…

New study finds no cognitive impairment among ecstasy users

The drug known as ecstasy has been used by 12 million people in the United States alone and millions more worldwide. Past research has suggested that ecstasy users perform worse than nonusers on some tests of mental ability.
But there are concerns…

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