Authors:Kateřina Škařupová, Lukas Blinka, and Adam Ťápal
duration of Internet use ( Secades-Villa et al., 2014 ); excessive gamers are often excessive caffeine users ( Porter, Starcevic, Berle, & Fenech, 2010 ). These studies typically measure any use of the substance within certain period of time or during the
Authors:Abraham Hafiz Rodriguez, Sarah Nath Zallek, Michael Xu, Jean Aldag, Lori Russell-Chapin, Tobias A. Mattei, and N. Scott Litofsky
Illinois Central College campuses. Subjects were asked to avoid caffeine, tobacco, and all other psychoactive chemicals for at least 6 hrs prior to their study participation. Subjects were also asked to be adequately rested prior to study participation
must also not forget that there are still issues with the diagnosis of substance abuse. For example, in DSM-5, caffeine is a substance that produces intoxication and withdrawal, but excess caffeine consumption is not considered a substance use disorder
that for some specific behaviors, the behavior is at first healthy and adaptive, but then it might evolve into a pathologic and maladaptive pattern, such as eating and sexual behavior, gambling, or caffeine use. In Iran, gaming is a quite common
consumed medication with the intention of terminating the bad trip , and of these, the medications were diazepam (1.3%), antipsychotic drugs (not specified) (0.9%), bromazepam (0.4%), caffeine (0.4%), or cocaine (0.4%).
Authors:Norman R. Greenberg, Zu Wei Zhai, Rani A. Hoff, Suchitra Krishnan-Sarin, and Marc N. Potenza
extracurricular activities were compared to those that did not endorse any extracurricular activities. Presence of lifetime marijuana and drug use were assessed. Grade average, frequency of smoking, frequency of alcohol use, and frequency of caffeine use were
Authors:Federico Cavanna, Carla Pallavicini, Virginia Milano, Juan Cuiule, Rocco Di Tella, Pablo González, and Enzo Tagliazucchi
impairment (state/trait anxiety, negative affect) and with higher scores of dimensions linked to well-being and resilience (mainly positive affect, autonomy, social ties, and well-being); conversely, other drugs (including prescription drugs, caffeine
content that reached 5%–7%. Only later did attention focus on the large seeds, which contain the active ingredients theobromine, caffeine, and theophylline ( Powis, Valdez, Hester, Hurst, & Tarka, 2002 ).
Regarding the place of origin of the