By Far the most defining feature of the 21st century, the Internet, has become an integral part of our daily lives. So much so, that many of us have become pathologically addicted to its use. This cross sectional study attempts to examine the existence and possible effects of Internet addiction among medical trainees in the Kingdom of Bahrain. A total of 291 medical doctors were asked to fill the “Internet Addiction Diagnostic Questionnaire” developed by Dr. Kimberly Young. The prevalence of Internet addiction was found to be quite significant, proving that medical trainees are among high-risk pathological Internet use groups because they use the Internet for both educational purposes and non-educational purposes as found in the results. The Majority of the participants frequently stayed online longer than they intended. It was also found that many of the participants frequently neglected their household chores to spend more time online, blocked out disturbing thoughts about life with soothing thoughts of the Internet, found themselves anticipating when they would go online again, feared that life without Internet would be boring, empty and joyless and tried to cut down the amount of time they spent online but failed