The source poses the question as follows: "In general, how harmful do you feel second-hand smoke is to adults -- very harmful, somewhat harmful, not too harmful, or not at all harmful?"
Citation formats
Americans' assessment of the harmfulness of second-hand smoke 2017
This survey conducted in 2017 shows how American adults feel about the harmfulness of second-hand smoke. 40 percent of the respondents who smoke less than one pack of cigarettes a day stated they believe second-hand smoke to be very harmful to adults.
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Gallup. (July 31, 2017). How harmful do you feel second-hand smoke is to adults? [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/263789/americans-assessment-of-the-harmfulness-of-second-hand-smoke/
Gallup. "How harmful do you feel second-hand smoke is to adults?." Chart. July 31, 2017. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/263789/americans-assessment-of-the-harmfulness-of-second-hand-smoke/
Gallup. (2017). How harmful do you feel second-hand smoke is to adults?. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/263789/americans-assessment-of-the-harmfulness-of-second-hand-smoke/
Gallup. "How Harmful Do You Feel Second-hand Smoke Is to Adults?." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 31 Jul 2017, /statistics/263789/americans-assessment-of-the-harmfulness-of-second-hand-smoke/
Gallup, How harmful do you feel second-hand smoke is to adults? ÌÇÐÄÆƽâ°æ, /statistics/263789/americans-assessment-of-the-harmfulness-of-second-hand-smoke/ (last visited July 31, 2026)
How harmful do you feel second-hand smoke is to adults? [Graph], Gallup, July 31, 2017. [Online]. Available: /statistics/263789/americans-assessment-of-the-harmfulness-of-second-hand-smoke/
