Understanding Cancer and Related Topics Understanding Cancer and the Environment These PowerPoint...

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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.

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

Chance of Cancer? It Depends…

Environmental 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

Tobacco and Cancer Risks

Non-smoker

Lu

ng

Can

cer

Ris

k

5x

10x

15x

3015

Cigarettes Smoked per Day

0

Alcohol

= cancer

Overweight and ExerciseH

eig

ht

(ft.

,in

.)

Weight (lbs.)

BMI >30BMI 25.0–29.9BMI 18.5–24.9BMI <18.5

Underweight

Healthy weight

Obese

Overweight

5'0”

5'1”

5'2”

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6'0"

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Diet

Viruses

Ultraviolet (UV) Radiation