continuing public service programs in the fields of accident prevention, alcohol abuse, alcohol abuse prevention, animal cruelty, asthma, atrial fibrillation, cancer, census, chronic disease, community life, community service crime prevention, diabetes, diet, disaster relief, disease management, disease prevention, disparities, drug abuse, drug prevention, education, emergency management, energy issues, energy preservation, environmental protection, fire, fire safety, fitness, food safety, foreign affairs, foreign, exchange students, forest fire prevention, health care, health epidemics, heart disease, homeless people, immigration, law enforcement, legal issues, lifesaving, medication safety, medicine, mental health, military issues, minority issues, national defense, non-profits, nutrition, personal safety, police, pollution, public health, public safety, retirement, safe medication use, safety on the job, sanitation, scholarships, school issues and programs, senior issues, smoking prevention smoking cessation, student issues, teaching, terrorism, the environment, the underserved population, trade, transportation, transportation safety, United States Mail, university life, volunteer support, water issues, youth issues produced and distributed over multimedia channels