Cancer Cells out of control

CANCER: THE VIDEO CLIP

Cancer: The Cellular Disease Begins when something goes wrong with normal cell division and/or growthBegins when something goes wrong with normal cell division and/or growth Tumor: Tumor: Mass of growing tissue that results from cells dividing and growing uncontrollablyMass of growing tissue that results from cells dividing and growing uncontrollably Benign: Non-cancerous tumorBenign: Non-cancerous tumor Malignant: Cancerous tumors that often spread to other tissues (called metastasis)Malignant: Cancerous tumors that often spread to other tissues (called metastasis)

Cancer: The Causes 1.Viral Cancers: Some viruses may inject genes that interrupt normal cell cycles Some viruses may inject genes that interrupt normal cell cycles 2.Radiation: Produce mutations in DNA causing interruption of normal cell cycles Produce mutations in DNA causing interruption of normal cell cycles Sunlight (UV), x-rays, nuclear Sunlight (UV), x-rays, nuclear 3.Chemicals: Also may cause mutations in DNA causing interruption of normal cell cycles Also may cause mutations in DNA causing interruption of normal cell cycles Called CARCINOGENS Called CARCINOGENS

Cancer: The Treatments PREVENTION: PREVENTION: Don’t smoke!Don’t smoke! Wear sunscreen (at least 15 SPF – really should be higher)Wear sunscreen (at least 15 SPF – really should be higher) Eat right and exercise!Eat right and exercise! SURGERY: tumor removal SURGERY: tumor removal RADIATION: tumor shrinkage RADIATION: tumor shrinkage CHEMOTHERAPY (chemicals): tumor shrinkage CHEMOTHERAPY (chemicals): tumor shrinkage Very uncomfortableVery uncomfortable Patients lose hairPatients lose hair Some of the drugs damage healthy cellsSome of the drugs damage healthy cells