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Cancer

Cancer. Lauren Oshry January 12, 2006. Normal Cells. What are the essential parts of a normal cell? What parts of the cell are most important for growth and division? Are your cells dividing right now?. Exposure to a Carcinogen (Smoke). What is a carcinogen?

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Cancer

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  1. Cancer Lauren Oshry January 12, 2006

  2. Normal Cells • What are the essential parts of a normal cell? • What parts of the cell are most important for growth and division? • Are your cells dividing right now?

  3. Exposure to a Carcinogen (Smoke) • What is a carcinogen? • What are some examples of carcinogens?

  4. Exposure to a Carcinogen (UV) • How does sun exposure affect the cell? • What types of cancers are related to sun exposure?

  5. DNA Becomes Mutated • What happens when DNA mutates? • How can this affect the cell? • What causes mutations?

  6. Tumor Begins to Form • What is a tumor? • What do tumors need to grow? • How can tumors be harmful? • How can tumors be stopped?

  7. Cells Send Signals to Control Growth • What part of the cell controls growth? • How do cells “talk” to other cells?

  8. Cancer Cells Ignore Signals • What happens when a cancer cell ignores signals?

  9. Cancer Cells • How is cancer diagnosed? • How do cancer cells look different?

  10. Cancer Cells Enter Blood • What happens when cancer cells enter the bloodstream? • How do the cells move?

  11. Metastasis • What is metastasis? • Why is it bad?

  12. Metastases • What is happening in this picture? • How can cancer be treated?

  13. How to Steer Clear of Cancer: Smoking Cigarette smoking is the major cause of cancer deaths in the U.S. • Lung cancer is the #1 cause of cancer death • 87% of lung cancers are related to cigarette smoking • Men who smoke are 23 times more likely to develop lung cancer and women who smoke are 13 times more likely • 157,200 people died of lung cancer in 2003 • Smoking is linked to lung cancer as well as esophageal cancer, bladder cancer, and head and neck cancer

  14. How to Steer Clear of Cancer: Smoking, Don’t Start! • Each day 4,000 teens try their first cigarette • Nicotine causes addiction • Most (60%) will become regular smokers • Half will die of smoking-related disease • Smoking SUCKS!!!

  15. How to Steer Clear of Cancer:Diet • Eating vegetables and fruits has been shown to lower the risk of several cancers • Vegetables and fruits contain anitoxidants, minerals, vitamins, fiber • Eat at least 5 servings a day • Limit saturated fats

  16. How to Steer Clear of Cancer: Exercise • One third of cancer deaths in the U.S. are due to unhealthy diet and insufficient exercise • Obesity is linked to breast, colon, endometrial, esophageal, and kidney cancers • 60 minutes of exercise 5 days a week

  17. How to Steer Clear of Cancer: Sun • Mr. Sun... Friend or Foe??? • Skin cancer is the most common form of cancer • UV rays damage DNA • 1 million cases in the U.S. each year and rising • Non melanoma (basal cell and squamous cell) and melanoma

  18. Prevention is the Best Medicine • Good habits are important now • Eat right • Exercise • DON’T SMOKE!!!

  19. The End!

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