UnitedHealth Group Inc. said Thursday it's building more than 1,000 new homes for older adults and families struggling with housing insecurity. Minnetonka-based UnitedHealth (NYSE: UNH) is using a $100 million investment to build three housing developments for the Health and Housing Fund - a partnership with the nonprofits Stewards of Affordable Housing for the Future (SAHF) and National Affordable Housing Trust (NAHT). The projects include Anacostia Gardens in Washington, D.C., with 100 apartments...