Cancer
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CANCER. Ms. Kelly 8 th Grade Health. www.thon.org THON 2013 Promo Video ELI’S STORY Hatters Play 4 A Cure. Oncology. Study and treatment of cancer Over 100 types. MOST COMMON TYPES. New Cases vs. Death Rates. Definition. Groups of abnormal cells that multiply out of control

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CANCER

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Cancer

CANCER

Ms. Kelly

8th Grade Health


Cancer

  • www.thon.org

  • THON 2013 Promo Video

  • ELI’S STORY

  • Hatters Play 4 A Cure


Oncology

Oncology

  • Study and treatment of cancer

  • Over 100 types


Most common types

MOST COMMON TYPES


New cases vs death rates

New Cases vs. Death Rates


Definition

Definition

  • Groups of abnormal cells that multiply out of control

  • Due to something wrong with size, shape, or DNA/function


Tumors

Tumors

  • Group of cells that grow together to form a mass

  • No apparent function

    • BENIGN: grows harmlessly without spreading

    • MALIGNANT: Abnormal cells that spread to other parts of the body (CANCEROUS!)


Cancer

BENIGN

MALIGNANT


Journal

Journal:

  • React the following statistics. How do they make you feel? Are you surprised, do they shock you, etc.?

    • In 2014, about 585,720 Americans are expected to die of cancer (almost 1600 people per day). It is the second most common cause of death in the US.

    • The 5-year survival rate for all cancers between 2003 and 2009 is 68% (up from 49% in the 70s).

Source: American Cancer Society


Metastasis

Metastasis

  • Spreading of cancer from localized area to other parts of the body via lymph and blood


Biopsy

Biopsy

  • Removal of a small amount of tissue for examination under a microscope


Journal1

JOURNAL:

  • You completed the “Faces of Cancer” activity last class… explain what you learned from the activity. Consider:

    • Trends, if any, you noticed (re: family history, age, etc.)

    • Risk factors (certain ones more common than others)

    • Etc…


Causes of cancer

ENVIRONMENTAL

CARCINOGENS: cancer-causing agents

Alcohol

Smoke/chewing tobacco

Radiation (X-Rays)

Nitrites (smoked meats)

Sun (UV Rays)

BIOLOGICAL

Family tendencies

Risk increases with age

Others biological causes

Asbestos

Radon

Pesticides

Additives

Causes of Cancer


Latency period

Latency Period

  • Period of time it takes for the cancer to develop

  • Time of exposure to time symptoms appear

  • Can be 20-30 years before the cancer is detected


Prevention

Avoid tobacco products

Avoid excess alcohol consumption

High fiber/low fat diet

Avoid stress

Avoid prolonged exposure in the sun (SPF 15 or higher)

Avoid too much radiation

Physical check-ups/ self-exams

Prevention


Cancer fighting foods

Cancer Fighting Foods

  • All dark, leafy, green veggies, cruciferous veggies (broccoli, cauliflower, cabbage)

  • Whole grains (whole wheat, brown rice)

  • Vitamins C and E

  • Soy, beans, peas

  • All fruits

  • Olive oil

  • Salmon

  • Green tea


Journal2

Journal:

If you could go anywhere in the world, where would you go and why??


Warning signs

Change in bathroom habits

A sore that doesn’t heal

Unusual bleeding, bruising, or discharge

Thickening or lump

Indigestion or difficulty swallowing

Obvious change in wart or mole

Nagging cough or hoarseness

Unusual weight loss/unusual headaches

Warning Signs


Treatments

Treatments

  • Surgery—removal

    of tumor

    • Cryosurgery is used

      for mouth and skin

      cancers (liquid

      nitrogen)


Treatments con

Treatments (con.)

  • Chemotherapy—50 different drugs (IV, pills, injection)

    • Chemicals destroy cancer cells by interfering with DNA without harming too many normal cells

    • Side effects: nausea, hair loss,

      rashes


Treatments con1

Treatments (con)

  • Radiation—Cancer cells more sensitive than normal cells

    • Most sensitive areas: bone marrow where blood cells are made (sternum) and pelvic area where reproductive organs located


Remission

Remission

  • Period of time when

    person is symptom-

    free

  • Permanent remission:

    5 years with no

    reoccurrence


Melanoma

Melanoma

  • Most serious form of skin cancer

  • ABCDE’s of Melanoma Detection

    • A: Asymmetry

    • B: Border

    • C: Color

    • D: Diameter

    • E: Elevation


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