Transcript Skin Conditions

Skin Conditions
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Blackhead
Acne
Cancer
Goosebumps
Sunburn
Blackhead
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Occurs when the pores in the skin become
clogged with sebum (the oily substance
secreted by the skin)
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The exposed surface becomes oxidized, which
causes it to turn black
Acne
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If a blackhead becomes infected by dirt or
bacteria, it forms acne (also called pimples or
zits). The irritation causes redness and swelling
around the area
The white pus that forms in the pimple is
actually broken down white blood cells trying to
fight the infection
Acne has commonly been linked to hormone
levels and diet
Cancer
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Skin cancer is called melanoma. It is often
caused by too much exposure to the sun.
Even short periods of overexposure as a child
or teen could lead to melanoma later in life.
Skin type is also a factor:
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People with fair skin, freckles, and moles have a
higher risk
People with dark or brown skin rarely get cancer
Goosebumps
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This is a temporary change in the skin caused
by a discharge of the nerves (usually due to
cold or fear)
The discharge causes the hair erector muscles
to contract, raising the hair follicles above the
rest of the skin
The elevated hair follicles appear as
“goosebumps”
Sunburn
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This condition is caused by excessive exposure
to U.V. rays
Sunburn occurs because the body cannot make
enough melanin (skin pigment) to protect the
skin
The symptoms do not show up for 2-4 hours
after exposure
Not all sunburns are the same:
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First degree – skin is red or pink
Second degree – blisters and or peeling
The sun never causes third degree burns