Introduction -- Why start? reasons teens choose drugs -- The how of the high: how chemical substances affect the brain -- Doorways to danger: tobacco, alcohol, marijuana, and inhalants -- Helpful drugs, hurtful highs: steroids, otcs, and prescription drugs -- The agony of ecstasy (and other club drugs) -- Heroin, hope, and hanging in there -- Further reading -- For more information -- Glossary -- Index -- Picture credits -- Biographies.