Researchers look to genetics to understand African American-asthma link Genetic map of 1,000 African Americans mapped for asthma research  By Meredith Cohn7:00 a.m. EST, December 29, 2011  For the full link, click here. Researchers working to discover why African-Americans disproportionately suffer from asthma are planning to map the genetic code of 1,000 people of African…