div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: 17i : 2961 8823 : 2575 8944 183 ao NO · Secondhand smoke Group A carcinogen causes cancer Contains over 7000 chemicals in which at least 69 are cancer causing agents Contains src=https:reader036vdocumentsusreader036viewer20220814065f0f41ac7e708231d4434297html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: 17i : 2961 8823 : 2575 8944 183 ao NO · Secondhand smoke Group A carcinogen causes cancer Contains over 7000 chemicals in which at least 69 are cancer causing agents Contains src=https:reader036vdocumentsusreader036viewer20220814065f0f41ac7e708231d4434297html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv