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Lifetime Health
Chapter 14: Section 3
Cancer
Cancer
Kenneth
Hyunmin Kim
Kamiah
Noah H.
Zaharia
Alex M.
Lifetime Health
Chapter 14: Section 3
Cancer
•
What is Cancer?
Cancer is a disease in which the regular way
that the body repairs breaks down, thus
causing damaged cells to divide rapidly and
uncontrollably.
Lifetime Health
Chapter 14: Section 3
Cancer
•
•
Cancer Statistics
More than 1 million people are diagnosed
with cancer every year in the United States.
Cancer is the second leading cause of
death, after cardiovascular disease(CVD).
Lung
Tumor
Forming
Lifetime Health
Chapter 14: Section 3
Cancer
Cancer Statistics(cont.)
Lifetime Health
Chapter 14: Section 3
Cancer
Formation
• Damaged and mutated cells divide
uncontrollably
• Cancer cells join together to form a tumor
• Some cancer cells separate from the
tumor and invade blood and lymph
vessels
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Chapter 14: Section 3
Cancer
How Does Cancer Form? (cont.)
• The cancer cells can then travel to other
parts of the body and can eventually form
new tumors
Cancer Animations-See
Animation 1
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Chapter 14: Section 3
Cancer
Effects of Cancer
• Cancer cells tear through and crush
neighboring tissues, strangle blood
vessels, and take wholesome nutrients
from healthy cells
Lifetime Health
Chapter 14: Section 3
Cancer
What Causes Cancer?
• Cancer can be caused by controllable and
uncontrollable risk factors
• In most cases cancer is caused by a
carcinogen
Lifetime Health
Chapter 14: Section 3
Cancer
What is a Carcinogen?
• A carcinogen is any substance, or
radioactive product that can cause cancer
• Surprisingly, all humans are exposed to
carcinogens in our daily lives, although
many cancer-causing carcinogens can be
avoided
Lifetime Health
Chapter 14: Section 3
Cancer
Examples of Carcinogens
• Oncoviruses, viruses that can potentially
cause cancer.
• Radioactivity and Ultraviolet Rays
• Chemicals that can be found in tobacco
smoke.
• These are only some examples of
possible carcinogens.
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Chapter 14: Section 3
Cancer
Examples of Types of Cancers
• Breast Cancer
-Cancer of the breast tissue; mostly
found in women but 1% of cases can be
found in men.
-About 31% of people diagnosed with
breast cancer die of it.
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Chapter 14: Section 3
Cancer
Examples of Types of Cancers(cont.)
• Prostate Cancer
-Cancer of the male reproductive
system.
-About 15% of men diagnosed with
prostate cancer die of it.
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Chapter 14: Section 3
Cancer
Examples of Types of Cancers(cont.)
• Skin Cancer
-Cancer that affects the skin
-About 17% of those diagnosed with
skin cancer die of it.
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Chapter 14: Section 3
Cancer
Diagnosing and Treating Cancer
• Cancer is detected and treated in many
•
ways, of course depending on the cancer
in question
Some may only require regular checkups, while others may require surgery, or
chemotherapy
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Chapter 14: Section 3
Cancer
Living with Cancer
• Cancer victims often feel sluggish or weak
• In children, they can feel upset and
apprehensive about unsettling
surroundings
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Chapter 14: Section 3
Cancer
Five Steps to Protect Yourself
• Don’t smoke or quit smoking
• Protect your skin(sunscreen)
• Eat nutritously
• Stay active and keep in shape(round isn’t
a shape)
• Get regular medical checkups
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Chapter 14: Section 3
Cancer
Thank You