Miami, Fla. – The Florida Department of Health in Miami-Dade County recognizes May as Asthma Awareness Month along with May 2nd as World Asthma Day. According to the Centers for Disease Control and Prevention, an estimated 24 million people, including over 6 million children, have asthma. Asthma is a chronic disease that affects the airways in the lungs and continues to be a serious public health problem. Asthma is a leading cause of preventable emergency department visits, hospitalizations, school absenteeism and work-related lung disease in Florida. Asthma is more severe among children, women, and those whose household incomes are less than $25,000.