The Relation Between Impulsivity and Estimation of Marijuana Weight.

Until recently, marijuana research has often relied on self-reported frequency of use (e.g., days used per month).

An investigation of the effects of sensation seeking and impulsivity on extreme sport participation and injury using path analysis.

Objective: Extreme sport participation and injury rates have increased in recent decades. This study aimed to investigate sub-dimensions of impulsivity and sensation seeking that contribute to participation and injury risk in extreme sports.

Participants: Data included cross-sectional survey responses from 7,109 college students ( = 19.

Who takes the trip? Personality and hallucinogen use among college students and adolescents.

Research examining hallucinogen use has identified potential benefits, as well as potential harms, associated with use. The acute effects of hallucinogen use can be intense, disorienting, cognitively impairing, and may result in perceptual changes mimicking aspects of temporary psychosis. Hallucinogen use may also lead to the onset of more chronic issues, such as Hallucinogen Persisting Perception Disorder, which impairs daily functioning even when sober.