This insightful book is a synoptic presentation of causes and treatment of alcoholism and drug addiction. It gives an insight into alcoholism and drug addiction's genetic and/or acquired etiologies through researched studies that draw the conclusion that addiction is a disease/medical condition. It features the treatment from detox followed by psychotherapy with evidence-based practices and supported by Aftercare programs to maintain sobriety and recovery. It employs the clinical experiences of the author to illustrate and complement researched facts or conclusions. It also features informative materials such as classification and effects of psychoactive drugs, drug screening procedures, motivational interviewing, culture and drug addiction, women and drug addiction, older adults and drug addiction, mental illness, sexual minorities (LGBTQ) and drug addiction, levels of care in ztructured programs, Ibogaine therapy, nutrition and recovery, and concluded with crisis intervention.