Unfortunately, the dreadful phenomenon of Addiction is an international crisis that has involved all nations by any shapes of addictive drugs. We believe in front of this silent heavy war, it is necessary to harmonize all worldwide tries by unique programs under the common laws of United Nations. We think the fundamental structure of families is the main ground to combat against Addiction, but during the modern life, we have lost the proper management of our families. By presenting this book, we have decided to focus on "family" importance, and tried to acquaint families and parents with all shapes of this dreadful crisis, by introducing various kinds of addictive drugs and their related symptoms. Beside introducing addictive drugs, we have presented other chapters on topics which can be considered as Addictive Behaviors. Today, the technological advances, especially, in the field of computer and smartphone has prepared a dreadful situations that we are addict to such gadgets. Addiction to Internet, Social Networks, Games, and Communicative tools are very dangerous, so by an International sight, we have presented this book, because we believe Addiction is a common tragedy for all.