Understanding Cancer and Related Topics Understanding Cancer and the Environment These PowerPoint...
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Transcript of Understanding Cancer and Related Topics Understanding Cancer and the Environment These PowerPoint...
Understanding Cancer and Related Topics
Understanding Cancer and the Environment
These PowerPoint slides are not locked files. You can mix and match slides from different tutorials as you prepare your own lectures. In the Notes section, you will find explanations of the graphics. The art in this tutorial is copyrighted and may not be reused for commercial gain.Please do not remove the NCI logo or the copyright mark from any slide. These tutorials may be copied only if they are distributed free of charge for educational purposes.
Developed by:Donna Kerrigan, M.S.Jeanne Kelly
This tutorial discusses the risk of cancer that comes from exposure to certain substances in the environment. It mentions exposures that are either known to cause or likely to cause cancer, and explains how to limit or prevent these exposures. The tutorial also outlines how scientists discover which environmental exposures are linked to cancer.
Cancer: Inside and Outside Factors
Age
Obesity
Weak immune system
AlcoholDietSmoking
Cancer
AlcoholDietSmokingCarcinogensViruses
HormonesDiet
Age Age
Cancer
Time
What Is the Environment?
react with
inside factors
Environment
outside factors
react with
inside factors
outside factors
Environmental Carcinogens:The “Nasties” Lineup
The Official Nasties
ArsenicBerylliumCadmiumChromiumLeadNickel
Tobaccoaminostilbene arsenic benz[a]anthracene benz[a]pyrene benzene benzo[b]fluoranthenebenzo[c]phenanthrene benzo[f]fluoranthene cadmium chrysene dibenz[a c]anthracenedibenzo[a e]fluoranthene dibenz[a h]acridine dibenz[a j]acridine dibenzo[c g]carbazoneN-dibutylnitrosamine 2,3-dimethylchrysene indeno[1,2,3-c d]pyrene S-methylchryseneS-methylfluoranthene alpha-naphthylamine nickel compounds N-nitrosodimethylamine
N-nitrosomethylethylamine N-nitrosodiethylamine N-nitrosonornicotine N-nitrosoanabasineN-nitrosopiperidine polonium-210
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BMI >30BMI 25.0–29.9BMI 18.5–24.9BMI <18.5
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