NEW CANAAN, Conn., Dec. 4, 2007 (PRIME NEWSWIRE) -- The Multiple Myeloma Research Foundation (MMRF) announced today that for a fifth consecutive year, the organization has received a 4-star rating from Charity Navigator, America's largest independent evaluator of charitable donations. This prestigious award recognizes the MMRF as a model of financial health that has consistently served as a responsible steward of its donors' funds.