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Transcript 
Cancer Prevention
Chapter 12
 2010 Cengage-Wadsworth
Cancer
• How cancer starts & spreads
• Key terms
DNA, RNA
Benign vs. malignant
Oncogenes & suppressor genes
Telomeres & telomerase
Angiogenesis & metastasis
 2010 Cengage-Wadsworth
Incidence of Cancer
• Figure 12.6
• Cancer-causing factors - Figure
12.7
• Prognosis
 2010 Cengage-Wadsworth
Guidelines for Preventing
Cancer
• Dietary changes
Tips for a healthy cancer-fighting diet
Phytonutrients
Fiber
Tea
Spices
Sugar
 2010 Cengage-Wadsworth
Guidelines for Preventing
Cancer
• Dietary changes
Dietary fat
Processed meat & protein
Soy
Alcohol consumption
 2010 Cengage-Wadsworth
Guidelines for Preventing
Cancer
• Excessive body weight
• Abstaining from tobacco
• Avoiding excessive exposure to
sun
• Monitoring estrogen, radiation
exposure, & potential occupational
hazards
 2010 Cengage-Wadsworth
Guidelines for Preventing
Cancer
• Physical activity
• Early detection
• Other factors
 2010 Cengage-Wadsworth
Warning Signals of Cancer
• Change in bowel or bladder habits
• Non-healing sore
• Unusual bleeding or discharge
• Thickening or lump
• Indigestion or swallowing difficulty
• Obvious change in wart or mole
• Nagging cough or hoarseness
 2010 Cengage-Wadsworth
Cancer: Assessing Your Risks
• Figure 12.10 - Cancer
Questionnaire
• Common sites of cancer
 2010 Cengage-Wadsworth
Common Sites of Cancer
• Lung cancer risk factors
• Colon/rectal cancer risk factors
• Skin cancer risk factors
Skin self-exam
• Breast cancer risk factors
• Cervical cancer (women) risk
factors
 2010 Cengage-Wadsworth
Common Sites of Cancer
• Endometrial cancer (women) risk
factors
• Prostate cancer (men) risk factors
• Testicular cancer (men) risk factors
• Pancreatic cancer
Possible risk factors
 2010 Cengage-Wadsworth
Common Sites of Cancer
• Kidney & bladder cancer
Possible risk factors
• Oral cancer risk factors
• Esophageal & stomach cancer risk
factors
• Ovarian cancer (women) risk
factors
 2010 Cengage-Wadsworth
Common Sites of Cancer
• Thyroid cancer risk factors
• Liver cancer risk factors
• Leukemia
Possible risk factors
• Lymphoma
Possible risk factors
 2010 Cengage-Wadsworth
What Can You Do?
• Lifestyle factors that decrease
cancer risk
• Screening guidelines - Table 12.2
 2010 Cengage-Wadsworth
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