Related by context. Frequent words. (Click for all words.) 39 Lung Association 35 secondhand smoke 35 lung disease 35 American Cancer Society 35 smoking cessation 34 asthma 34 COPD 33 Asthma 33 Arthritis Foundation 31 Cystic Fibrosis Foundation 31 Allergy Asthma 31 Heart Association 30 smokers 29 Stroke Foundation 29 Diabetes Association 29 radon 29 Surgeon General 29 Cancer Society 28 NIOSH 28 Lung Cancer 28 Allergy 28 Arthritis 28 Safe Kids 28 Dimes 28 Family Physicians 27 JDRF 27 NAMI 27 air pollution 27 Healthy Kids 26 cystic fibrosis 26 Healthy Families 26 Multiple Sclerosis Society 26 diesel exhaust 25 allergy sufferers 25 Breast Cancer Foundation 25 smog 25 AHA 25 Smoke Free 25 NCQA 25 Cancer Research 24 Lung 24 Alzheimer Society 24 Tobacco Free 24 Pediatrics 24 Tobacco Control 24 Health Organization 24 Blue Shield 24 Cystic Fibrosis 23 Obstetricians 23 particulate matter 23 ozone 23 Autism Speaks 23 Easter Seals 22 Leukemia 22 Air Quality 21 American Dietetic Association 21 Clean Air 21 Muscular Dystrophy Association 21 Visiting Nurse Association 21 CDC 20 Psychological Association 20 tailpipe emissions 20 mercury pollution 20 Kidney Foundation 19 Psychiatric Association 18 Planned Parenthood 18 Sierra Club 18 PIRG 18 Air Pollution Control 18 Family YMCA 18 ALA 18 AARP 17 Natural Resources Defense 17 Conservation Voters 17 Delta Dental 17 Environmental Protection Agency 17 Nature Conservancy 17 EPA 16 NARAL Pro Choice 16 NRDC 16 Audubon Society 16 Trout Unlimited 16 Wildlife Federation 16 Home Builders Association 16 Red Cross 15 Veterinary Medical 15 MADD 14 Nurses Association 14 advocacy 13 Mothers Against Drunk Driving 13 Humane Society 13 Water Quality 12 Business Roundtable 12 Lodging Association 12 Foundation 11 Wilderness Society 11 Farm Bureau 10 School Boards 7 Automobile Association 6 Convenience Stores 3 Automobile Dealers Association