WASHINGTON, Oct. 15 -- The U.S. Department of Health and Human Services National Institutes of Health has issued a funding opportunity announcement for the development of animal models and related biological materials for Down syndrome research. The agency description of the funding opportunity announcement states: "The INvestigation of Co-occurring conditions across the Lifespan to Understand Down syndromE (INCLUDE) Project encourages grant applications aimed at developing, characterizing, or  more ST