Guided Imagery Lifestyle Intervention to Promote Health and Prevent Diabetes in Youth

Inclusion Criteria: * Male and female enrolled in second year (i.e. sophomore year) of high school at time of consent into study, junior year at time of intervention * Self-stated intent to complete high school * Predominantly minority ethnicity (self-reported) * Overweight/ obese and normal weight * Agreement to attend up to 3 after school classes per week for the 12 weeks of the program Exclusion Criteria: * Serious chronic illness or physical, cognitive, or behavioral disability that would prevent ability to fully receive intervention * Prior diagnosis of clinical eating disorder, psychiatric disorder, or significant cognitive disability * Lack of English fluency * Participation in previous "Council" programs offered through the school * Participation in formal weight-loss programs in 3 months preceding entry to study * Pregnancy * Sibling or other household member enrolling for the intervention