The neurotransmitter dopamine is a key factor in central nervous system (CNS) function,
regulating many processes including reward, movement, and cognition. Dopamine also …

Objective: To identify and analyze all studies validating rating scales or interview-based
screeners commonly used to evaluate ADHD in adults. Method: A systematic literature …

Athletes of all ages may be affected by medical and mental health issues. Sports medicine
physicians should be familiar with common conditions that may affect the well-being of …

University students experience a high prevalence of mental health and substance use
concerns; however, few students access support for these challenges. Although digital …

Cognitive endurance--the ability to sustain performance on a cognitively-demanding task
over time--is thought to be a crucial productivity determinant. However, a lack of data on this …

Psychoactive substances, which influence the brain to alter perceptions and moods, have
the potential to have positive and negative effects on critical software engineering tasks …

Abstract Research summary Darknet marketplaces (DNMs) are global digital marketplaces
used primarily to buy and sell illicit drugs online. High rates of adulterated substances have …

The medical psychostimulant methylphenidate (MP) is used to treat attention-deficit
hyperactivity disorder and recreationally as a “cognitive enhancer”. MP is a dopamine …

Introduction: This study examines factors associated with psychostimulant misuse, including
polysubstance use and social factors, among the understudied American Indian/Alaska …

Prescription stimulant misuse (PSM) is most prevalent among college students and is
associated with numerous negative academic and psychosocial outcomes. A large body of …