Common Mechanisms of Drug Abuse and Obesity

Some of the same brain mechanisms that fuel drug addiction in humans accompany the emergence of compulsive eating behaviors and the development of obesity in animals, according to research funded by the National Institute on Drug Abuse (NIDA), a component of the National Institutes of Health.

Study Finds Link Between Estradiol and Depression, Anxiety

A study from the University of Albany found that the administration of the hormone estradiol to aged female mice decreased anxiety-like and depression-like behaviors. This finding may help explain the onset of depression during and after menopause.