With big blue eyes and a cute smile, one would not know by looking that seven-month-old baby Irelynn Rose has a critical disease. Known as "Diamond Blackfan Anemia," the disease requires Irelynn to have bone marrow transfusions at least once a month, said her mother, Melissa Rose. According to Internet website www.dbafoundation.org, Diamond Blackfan Anemia" is a rare blood disorder, characterized by a failure of the bone marrow ... to produce red blood cells."