1. Cigarettes contain many, many harmful substances and cause lung cancer Cancer cells mutate over time Smoking causes lung cancer Skin cancer is often caused by too much exposure to the sun Throat cancer can also be caused by smoking cigarettes Mouth cancer can also be caused by smoking cigarettes
2. Cigarettes contain many, many harmful substances and cause lung cancer Cancer cells mutate over time Smoking causes lung cancer Skin cancer is often caused by too much exposure to the sun Throat cancer can also be caused by smoking cigarettes Mouth cancer can also be caused by smoking cigarettes
3. Cigarettes contain many, many harmful substances and cause lung cancer Cancer cells mutate over time Smoking causes lung cancer Skin cancer is often caused by too much exposure to the sun Throat cancer can also be caused by smoking cigarettes Mouth cancer can also be caused by smoking cigarettes
4. Cigarettes contain many, many harmful substances and cause lung cancer Cancer cells mutate over time Smoking causes lung cancer Skin cancer is often caused by too much exposure to the sun Throat cancer can also be caused by smoking cigarettes Mouth cancer can also be caused by smoking cigarettes
5. Cigarettes contain many, many harmful substances and cause lung cancer Cancer cells mutate over time Smoking causes lung cancer Skin cancer is often caused by too much exposure to the sun Throat cancer can also be caused by smoking cigarettes Mouth cancer can also be caused by smoking cigarettes
6. Cigarettes contain many, many harmful substances and cause lung cancer Cancer cells mutate over time Smoking causes lung cancer Skin cancer is often caused by too much exposure to the sun Throat cancer can also be caused by smoking cigarettes Mouth cancer can also be caused by smoking cigarettes

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