Giovani MGG. THE EFFECT OF EXCESSIVE CAFFEINE THE EFFECT OF EXCESSIVE CAFFEINE CONSUMPTION ON THE STUDY FOCUS OF THIRD-YEAR MEDICAL STUDENT AT CIPUTRA UNIVERSITY : THE EFFECT OF EXCESSIVE CAFFEINE CONSUMPTION ON THE STUDY FOCUS OF THIRD-YEAR MEDICAL STUDENT AT CIPUTRA UNIVERSITY . JMH [Internet]. 2026Jan.30 [cited 2026Jun.24];7(2 Januari):77-3. Available from: http://www.jurnalmedikahutama.com/index.php/JMH/article/view/776