Clinical theory and practice models are provided along with current concepts in diagnosis and treatment. Theoretical formulations, hypotheses, issues, and implications related to life stress measurement are addressed and applied to medical and mental health concerns. Contributions include: (1) "Stress Response and Adaptation in Children: Theoretical Models" (D.B. Clark, T.W. Miller); (2) "Measures of Children's Reactions to Stressful Life Events" (R.J. McNally); (3) "The Child Sexual Abuse Accommodation Syndrome: Clinical Issues and Forensic Implications" (R.C. Summit, T.W. Miller, L.J. Veltkamp); (4) "The Trauma of Family Violence" (T.W. Miller, L.J. Veltkamp, P. Raines); (5) "Traumatization and Stress in Child and Adolescent Victims of Natural Disasters" (A. Azarian, V. Skriptchenko-Gregorian); (6) "War-Related Posttraumatic Stress Disorder among Children and Adolescents" (P.A. Saigh, J.A. Fairbank, A.E. Yasik); (7) "Adolescent Pregnancy, a Stressful Life Event: Cause and Consequence" (C.A. Martin, K.K. Hill, R. Welsh); (8) "Life Events and Adolescent Suicidal Behavior" (E.J. deWilde, I.C.W.M. Keinhorst); (9) "Life Events and Substance Abuse during Adolescence" (P. Vik, S.A. Brown); (10) "The Trauma of Peer Victimization" (A. Beane); and (11) "Posttraumatic Stress Disorder in Children and Its Treatment" (W. Yule). (EMK)