Some of the carcinogens that people are aware of and still expose themselves to include skin tan. Both indoor and out door tanning exposes individuals to the dangers of UV rays: UVB and UVA which can damage the skin resulting in skin cancer- Melanoma. (Indoor Tanning- Skin Cancer, 2018). Others are alcoholic beverages, Tobacco / Cigarette smoke. Most eople who use these substances know they are not healthy and exposes them to serious health proplems like cancer but would still consume them either due to addictive nature of these subsatnces or as their way of coping with stressful conditions. American Society For The Control Cancer Assignment Papers.