I Orientation.- 1 Behavior Genetic Approaches in Behavioral Medicine: An Introduction.- II Addictive Behaviors.- 2 Mediators and Moderators of Alcoholism Inheritance.- 3 Genetic Influences on Smoking Behavior.- 4 Smoking and Addictive Behaviors: Epidemiological, Individual, and Family Factors.- III Stress and Reactivity.- 5 Behavior Genetic Studies of Cardiovascular Responses to Stress.- 6 Developmental Genetic Trends in Blood Pressure Levels and Blood Pressure Reactivity to Stress.- IV Body Weight, Adiposity, and Eating Behaviors.- 7 Genetic Influences on Body Mass Index in Early Childhood.- 8 Genetic Studies of Obesity across the Life Span.- 9 Genetics and Eating Disorders.- V Gender and Ethnicity.- 10 Issues in the Behavior Genetic Investigation of Gender Differences.- 11 Studying Ethnicity and Behavioral Medicine: A Quantitative Genetic Approach.- VI Beyond Heritability.- 12 Genetics, Environmental Risks, and Protective Factors.- 13 Quantitative Trait Loci: Mapping Genes for Complex Traits.- VII Epilogue.- 14 Implications of a Behavior Genetic Perspective in Behavioral Medicine.- Author Index.