Related by context. Frequent words. (Click for all words.) 39 American Cancer Society 38 Lung Association 36 smoking cessation 35 Kidney Foundation 35 Cancer Research 34 Cancer Society 33 Heart Association 32 Lung 31 Delta Dental 31 Blue Shield 30 Multiple Sclerosis Society 30 Lung Cancer 29 Diabetes Association 29 Foundation 28 Asthma 28 Arthritis Foundation 27 Breast Cancer Foundation 26 Easter Seals 26 COPD 26 Visiting Nurse Association 26 Smoke Free 26 smokers 26 mercury pollution 26 Tobacco Free 25 Leukemia 25 Business Roundtable 25 Tobacco Control 24 Stroke Foundation 24 lung disease 23 Allergy 23 Cystic Fibrosis 23 Clean Air 23 NAMI 23 Alzheimer Society 23 advocacy 22 MADD 22 Family Physicians 22 AARP 22 JDRF 21 Autism Speaks 21 secondhand smoke 21 smog 21 Dimes 21 Safe Kids 21 air pollution 20 Muscular Dystrophy Association 20 Cystic Fibrosis Foundation 20 Planned Parenthood 20 Lodging Association 20 Sierra Club 20 Healthy Kids 20 diesel exhaust 19 Nurses Association 19 Mothers Against Drunk Driving 19 radon 19 cystic fibrosis 19 AHA 19 Home Builders Association 18 Arthritis 18 Healthy Families 18 NARAL Pro Choice 18 asthma 18 Obstetricians 18 Allergy Asthma 17 Trout Unlimited 17 Air Quality 17 Automobile Dealers Association 16 NIOSH 16 CDC 16 Audubon Society 16 Veterinary Medical 16 Convenience Stores 16 Psychological Association 16 American Dietetic Association 16 tailpipe emissions 15 Automobile Association 15 Family YMCA 15 particulate matter 15 Health Organization 15 NCQA 15 Nature Conservancy 14 Air Pollution Control 14 School Boards 14 Psychiatric Association 14 Natural Resources Defense 14 Pediatrics 13 Conservation Voters 13 Surgeon General 13 Farm Bureau 13 ALA 13 NRDC 11 Environmental Protection Agency 11 Red Cross 10 EPA 10 allergy sufferers 10 ozone 10 Wilderness Society 9 Humane Society 9 PIRG 9 Wildlife Federation 5 Water Quality