Background. People who stop consuming caffeine may have symptoms, but the incidence
and severity of caffeine withdrawal are not known. This study was performed to determine the …

Rationale: Few studies have systematically determined whether the response to cocaine in
human females is related to hormonal fluctuations at different phases of the menstrual cycle. …

The purpose of this double-blind 14-week trial was to compare the efficacy of sustained-release
methylphenidate (MPH) to placebo (PBO) in treating adult attention deficit hyperactivity …

Although it's been reported that women with premenstrual dysphoric disorder (PMDD) have
increased negative mood, appetite (food cravings and food intake), alcohol intake and …

In this study, 281 cocaine abusers seeking treatment were assessed for adult attention-deficit
hyperactivity disorder (ADHD). Structured assessments included the SCID for DSM-IV, a …

In a previous study, we showed that the positive subjective effects of cocaine were higher
during the follicular phase compared to the luteal phase of the menstrual cycle. The purpose of …

Thirty-two healthy subjects with histories of moderate caffeine consumption abstained from
dietary caffeine throughout the study. Subjects were stratified into two groups based on …

The purpose of this double-blind, three-arm, 12-week trial was to compare the efficacy of
sustained-release methylphenidate or sustained-release bupropion to placebo in treating adult …

Although caffeine is the most widely used behaviorally active drug in the world, caffeine
physical dependence has been only moderately well characterized in humans. Four double-…

Background: Attention-deficit/hyperactivity disorder (ADHD) is common among cocaine
abusers seeking treatment. This open trial was carried out to assess the efficacy of …