Introduction In the struggle to be free from addiction, for most individuals, repeated attempts are required to stop the addictive behavior. Multiple attempts to change and multiple treatment events are…

Overview Hoarding disorder (HD) is defined as the acquisition of—and inability to discard—a large number of possessions, to a degree that precludes intended use of living spaces and creates significant…

Introduction In recent decades, one area of research on media effects has shed extensive light on problematic behavior in the use of media, particularly the overuse or the maladaptive use…

Introduction Due to the magnitude of the human immunodeficiency virus (HIV) and acquired immunodeficiency syndrome (AIDS) epidemic, and its profound impact on public health and social structures, an emphasis on…

Introduction Gambling has become increasingly accessible and socially acceptable over the past two decades, with an increasing number of venues and opportunities through casinos, video lottery terminals, sports betting venues,…

Introduction Ketamine and phencyclidine are chemically related to each other and have psychotropic effects similar to those of other prototypical hallucinogens such as lysergic acid diethylamide. Phencyclidine was developed first…