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, A. J. ( 2006 ). Relationship between impulsive sensation seeking traits, smoking, alcohol and caffeine intake, and Parkinson’s disease . Journal ofNeurology, Neurosurgery & Psychiatry , 77 ( 3 ), 317 – 321

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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

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Journal of Behavioral Addictions
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

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Journal of Psychedelic Studies
Authors: Federico Cavanna, Carla Pallavicini, Virginia Milano, Juan Cuiule, Rocco Di Tella, Pablo González, and Enzo Tagliazucchi

/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, alcohol, tobacco, and

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Sleep Spindles & Cortical Up States
Authors: Malgorzata Wislowska, Dominik P. J. Heib, Hermann Griessenberger, Kerstin Hoedlmoser, and Manuel Schabus

morning, 30 min after awakening. No caffeine intake was allowed during the entire day, on which a testing session took place. Each night, the PSG recordings started between 11 p.m. and midnight and continued for consecutive 8 hr ( Fig. 1

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Sleep Spindles & Cortical Up States
Authors: Róbert Bódizs, Ferenc Gombos, Péter P. Ujma, Sára Szakadát, Piroska Sándor, Péter Simor, Adrián Pótári, Boris’ Nikolai Konrad, Lisa Genzel, Axel Steiger, Martin Dresler, and Ilona Kovács

history of neurologic or psychiatric disease, and were free of any current drug effects, excluding contraceptives in females. Consumption of small habitual doses of caffeine (maximum two cups of coffee until noon), but no alcohol, was allowed. Six male and

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, extracurriculars, smoking, marijuana, alcohol, drug, and caffeine use. Convenience sampling 45.8% male DS: M age = NR (range 14–18) Depression (1 item; feeling sad or hopeless almost every day for 2 or more weeks) Krossbakken et al. (2018) Norway 3-year

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Snacks Gambling Brochures Caffeine Smoking Social networking Soft drink

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Mentálhigiéné és Pszichoszomatika
Authors: Bodnár Vivien, Nagy Krisztina, Cziboly Ádám, and Bárdos György

, S.M. ( 1994 ). The expected drug and its expected effect interact to determine placebo responses to alcohol and caffeine . Psychopharmacology , 115 ( 3 ), 383 – 388 . Fillmore

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From Pong to Pokemon Go, catching the essence of the Internet Gaming Disorder diagnosis

Commentary on: Chaos and confusion in DSM-5 diagnosis of Internet Gaming Disorder: Issues, concerns, and recommendations for clarity in the field (Kuss et al.)

Journal of Behavioral Addictions
Author: Xavier Carbonell

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

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