Suicidal behavior is a leading cause of injury and death worldwide. Information about the
epidemiology of such behavior is important for policy-making and prevention. The authors …

Emotion is normally regulated in the human brain by a complex circuit consisting of the
orbital frontal cortex, amygdala, anterior cingulate cortex, and several other interconnected …

This article explores contemporary biopolitics in the light of Michel Foucault's oft quoted
suggestion that contemporary politics callslife itself'into question. It suggests that recent …

OBJECTIVE: Epidemiological studies indicate that experimentation with addictive drugs and
onset of addictive disorders is primarily concentrated in adolescence and young adulthood …

The first part of this article describes a study of the relationships between personality and
risk‐taking in six areas: smoking, drinking, drugs, sex, driving, and gambling. The …

This is the third book I have written on the topic of sensation seeking. The first described the
theoretical origins of the construct, the research on sensory deprivation that grew from the …

We used a novel computerized decision-making task to compare the decision-making
behavior of chronic amphetamine abusers, chronic opiate abusers, and patients with focal …

Some substance dependent individuals (SDI) suffer from a decision-making impairment akin
to that seen in neurological patients with lesions of the ventromedial (VM) prefrontal cortex …

The disruptive behavior of persons with dementia is a problem of considerable clinical
interest and growing scientific concern. This paper offers a view of these behaviors as …

An essential component of the human diet, L-tryptophan is critical in a number of metabolic
functions and has been widely used in numerous research and clinical trials. This review …