The Environmental Determinants of Diabetes in the Young (TEDDY).

Project: ResearchInternational collaboration

Research areas and keywords


  • type 1 diabetes mellitus


The major goals of the study are the identification of infectious agents, dietary factors, or other environmental exposures that are associated with increased risk of islet autoimmunity and type 1 diabetes. TEDDY is a consortium of clinical sites – three US sites, Sweden, Finland and Germany. Sweden is the largest site and 2525 children were recruited to be followed from birth until 15 years of age. The study is supported by the National Institutes of Health (NIH, grant DK063861) and the websites are (international) and (in Swedish).
Effective start/end date2004/09/012025/12/31