title: New retirement communities target the "70-something" market.
mesh_terms: D000368:Aged; D002140:California; D004219:District of Columbia; D005382:Financing, Personal / Q000639:trends; D006707:Homes for the Aged / Q000191:economics*; D006754:Hospital Restructuring / Q000639:trends; D006801:Humans; D008404:Massachusetts; D010067:Ownership / Q000639:trends; D012179:Retirement