All Growing Up Today Study (GUTS) data (including questionnaire responses, medical information, and name and address information) are kept strictly confidential. Questionnaire responses are stored and analyzed separately from participant names and contact information. Only select study staff have access to participant contact information. No identifiable data about any participant will be released to anyone for any reason. Our mailing list is never sold, rented, or lent to any other group. GUTS complies with the Health Insurance Portability and Accountability Act (HIPAA) regulations regarding the storage and sharing of data.