(1) Curiosity: It is one of the most important causes of addiction because a curiosity is generated among young people due to the advertisement of drugs in newspapers and other means of communications. So that they take them the first time and then became habitual. (2) Will of doing more work: It is believed that the use of intoxicating substances increases the capacity of the body and person is able to do more physical and mental work. (4) Inability to face problems of life. (5) A temporary escape from the life problems.