Ключевые слова: abuse, academic, addict, addicted, addiction, book, books, break, cigarette, cigarettes, college, disappointed, drug, education, exam, exhausted, frustrated, habit, harmful, hours, learning, long, man, narcotic, nicotine, preparation, preparing, problem, reading, research, sad, school, smoke, smoker, smoking, stress, stressed, student, study, studying, textbook, tired, tobacco, trainee, training, unhappy, unhealthy, university, upset, young,