2.  Cancer - information and treatment Cancer - information and treatment

3.  There are 3 stages in the cell cycle: 1) INTERPHASE – cells grow and prepare to divide 2) MITOSIS – cells start to divide 3) CYTOKINESIS– two cells are formed from one The Cell Cycle

5.  A group of diseases in the which cell division is uncontrolled  Cancer cells develop when a mutation takes place in the DNA that controls cell division YouTube - How cancer develops

6. Cancerous Cell Division.mht

7.  A tumour is a mass of cells that continue to divide and increase in number for no benefit to the body

10.  There are 2 types of tumours: 1- benign – not cancerous because it does not affect any surrounding cells 2 - malignant – cancerous because it interferes with the function of healthy cells - Cancerous cells travel in the blood and can an invade other parts of the body and cause new tumours to form there

12. There are 2 main causes for cancer: 1 – inherited -one that appears within members of the same family EX. Breast and colon cancer 2- environmental - Caused by an environmental factor called a carcinogen EX. Tobacco, X-rays, even cosmetics

13.  Contains 4000 chemicals and 50 of them are carcinogens  the most common cause of lung cancer

14.  Antioxidants are chemicals that prevent cells from becoming cancer cells  Foods rich in antioxidants are: Tomatoes, carrots, grapes, and broccoli  Poor diet is linked to colon cancer

15.  Skin cancer is caused by ultraviolet radiation (UV) from the sun  UV causes mutations in the skin cells

16.  There are 2 types of UV: 1- UVA – causes the skin to tan 2 – UVB – causes the skin to burn  UVA penetrates more deeply and is more harmful than UVB  Both can lead to a deadly form of skin cancer called melanoma

18. UV Skin Animation

19.  lead in your lipstick?  carcinogens in your cleanser?  Story of Cosmetics « The Story of Stuff Project Story of Cosmetics « The Story of Stuff Project  Lousy Labels - Marketplace Lousy Labels - Marketplace