ch. 1. What are some causes and sources of addiction? Addiction stems from a genetic disorder / Nic Sheff -- Addiction stems from early environment / Gabor Maté -- Addiction is a choice, not a disease / Steven Slate -- Marijuana use is addictive / California Society of Addiction Medicine -- Harmful effects of marijuana use are exaggerated / Paul Armentano -- Online game playing can be addictive / Kimberly Young -- Online game playing is not addictive / Peter Gray -- ch. 2. How can addiction be prevented? Screening and early intervention help prevent teen substance use and addiction / The National Center on Addiction and Substance Abuse at Columbia University (CASA Columbia) -- Drug testing in ineffective in preventing teen substance abuse and addiction / Frank Butler -- Many school drug prevention programs are ineffective / Celine Provini -- Reality-based school programs help prevent teen drug use / Marsha Rosenbaum -- Drinking age of 21 doesn't work / John M. McCardell Jr. -- Lowering the legal drinking age will not encourage responsible drinking habits / Toben F. Nelson, Traci L. Toomey, John R. Finnegan Jr., Henry Wechsler, Robert Saltz, James Fell, Thomas Greenfield, Ann Mahoney, and Linda Bosma -- Marketing restrictions and tobacco tax increases will reduce tobacco addiction / Campaign for Tobacco-Free Kids, Counter Tobacco, and the American Heart Association -- ch. 3. How do addictions affect relationships? Addiction recovery can strengthen relationships / Alan Goodstat -- Pornography is addictive and damages relationships / Patrick A. Trueman -- The damaging effects of pornography have been exaggerated / Milton Diamond -- Living with someone who has an addiction / Lance Dodes -- Substance abuse can lead to family violence / Addiction Treatment Magazine -- ch. 4. How can addictions be treated? Twelve-step programs help heal the emotional pain of addiction / Tian Dayton -- Twelve-step programs do not heal addiction / Michael J. Formica -- Pharmaceuticals and vaccines may help treat addiction / Nora D. Volkow -- Cognitive behavior therapy helps in the treatment of addiction / Promises Treatment Centers -- Proper nutrition is vital in treating alcoholism and addiction / Cynthia Perkins.