A Lesson About Sun Safety
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Transcript of A Lesson About Sun Safety
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SunGuard Your Skin
A Lesson About Sun Safety
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Learning Objectives
At the completion of this program, students will be able to:
Identify three negative effects of unprotected, excessive sun exposure
Identify three risk factors for skin cancerIdentify melanoma as the most dangerous
form of skin cancerDescribe three personal behavior changes
that will decrease their risk for skin cancer
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The Structure of Your Skin
The skin is your body’s largest organ
It protects you from the sun and from infections
The skin has 3 layers:epidermis, dermis and subcutis
Skin color depends on the activity of the melanocytes in the epidermis
Picture from http://www.sunsafecolorado.com/home/uvradiation/uv_uvauvb.shtml (Sun Safe Colorado)
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UV Radiation
Many types of rays come from the sun:Heat rays, visible light, and invisible ultraviolet light or UV radiationTwo kinds of UV radiation reach the earth:UVA rays – longer rays, penetrate skin deeply,and cause wrinkling and tanningUVB rays – shorter rays which cause burningof the skin
Tanning and burning of the skin are signs of skin damage!
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The Dangers of UV Radiation
Overexposure to UV Radiation causes:SunburnDNA DamageSkin CancerPremature aging (wrinkles)CataractsImmune system depression
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Skin Cancer Facts
Skin cancer is the most common cancer but also the most preventable
Childhood sunburn is the most common cause of skin cancer
More than 3,000,000 skin cancer cases are diagnosed in the US each year
One in every two cancers is skin cancerOne in every five Americans will develop
skin cancer in their lifetime
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What Causes Skin Cancer?
UV radiation causes increased activity in the melanocytes
This increased activity is the cause of freckles, tanned skin and sunburns
Sometimes this leads to changes in cell structure and function, causing cancer
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Do You Know the Three Main Types of Skin Cancer?
Basal Cell Carcinoma 75% of all skin cancersSquamous Cell Carcinoma 20% of all skin cancersMelanoma 5% of all skin cancers but
responsible for 75% of skin cancer deaths
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Signs of MelanomaWhat are the ABCD’s?
Asymmetry
Border
Color
Diameter
CHANGE!
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Who is at Risk for Skin Cancer?
Fair skin, burns easily
Light hair colorBlue or green eyesFrecklesMany molesFamily history of
skin cancer
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When is UV Radiation Most Intense?
In the middle of the day (Between 10 a.m. and 4 p.m.)During the summer monthsAt higher altitudesIn regions of the earth closer to the equator
Use the UV Index as a tool to help planyour outdoor activities.
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Avoid midday sun Cover up with hats, clothing and sunglasses Use sunscreen Apply liberally and often Avoid reflective surfaces Seek shade when your
shadow is shorter than you are
Avoid tanning beds
Protective Measures
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Tanning Beds are NOT Safe!
Studies show tanning beds are linked to skin cancer and premature aging
Indoor tanning lamps emit UVA and UVB radiation at levels that can be as much as 15 times stronger than the sun
Minors (under the age of 18) must have in-person, written parental consent before using a commercial tanning facility
If you must be tan, use a self tanner You still must use sunscreen Remember:
There is no such thing as safe tan!
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Visit the Program’s web site atwww.sunguardman.org
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Visit SunGuard Man Online at www.sunguardman.org, and…
Play Games Enter Contests Watch The Adventures of
SunGuard Man Complete the SunGuard
Man Treasure Hunt Learn what you can do to
keep your skin safe and healthy
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Maryland Skin Cancer Prevention Program
www.sunguardman.org
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SunGuard Your Skin SurveyPart A – Choose the best answer by placing a check in the space.
1. A person with a tan looks attractive. ____ strongly agree ____ agree ____ no opinion ____disagree ____ strongly disagree 2. A person with a tan looks healthy. ____ strongly agree ____ agree ____ no opinion ____ disagree ____ strongly disagree
3. People who protect themselves from the sun are cool. ____ strongly agree ____ agree ____ no opinion ____ disagree ____ strongly disagree
4. How many painful sunburns did you have last summer? ____ none ____ 1 ____ 2 ____ 3 ____ more than three ____ I don’t remember
5. When you were out in the sun last summer, how often did you use sunscreen? ____ always ____ sometimes ____ I don’t remember ____ rarely ____ never
6. When you were out in the sun last summer and wore a hat for protection, what kind of hat did you wear? ____ wide brimmed hat ____ baseball cap ____ visor ____ other ____ I never wore a hat
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SunGuard Your Skin Survey
Part B - Fill in the blank with the letter next to the best answer.
__7. The sun’s rays are the strongest, and should be avoided between the hours ofa. 9:00 a.m. and 12:00 p.m.b. 10:00 a.m. and 4:00 p.m.c. 2:00 p.m. and 5:00 p.m.d. 3:00 p.m. and 6:00 p.m.
8. What is the minimum SPF (sun protection factor) a sunscreen should have to protect you
adequately from the damaging effects of the sun?a. 15b. 8c. 30d. 5
9. Which of the following is not a type of skin cancer?
a. Squamous cell carcinomab. Malignant melanomac. Sickle cell carcinomad. Basal cell carcinoma
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SunGuard Your Skin Survey
__10. All of the following are risk factors for skin cancer excepta. Having dark hairb. Having light colored skinc. Being severely sunburned as a childd. Having family members who have had skin cancer
11. The substance in the skin that makes people tan is called
a. Melatoninb. Myanmarc. Mandarind. Melanin
12. Which of the following is not one of the ABCD’s of Melanoma?
a. Borderb. Diameterc. Atypicald. Asymmetricale. Color
13. Which of the following is the best method of protecting yourself from the
harmful effects of the sun?a. Wear light colored clothingb. Wear a baseball capc. Use sunscreen with SPF 8d. Seek shade
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SunGuard Your Skin Survey
Part C- True or False: Place a T or F in the blank to make the statement correct.
14. The sun’s rays are less intense at high altitudes. 15. People with a large number of moles on their bodies are at greater risk for developing malignant melanoma. 16. Sunscreen should be put on ½ hour before going outside and reapplied every four hours. ___17. People with naturally dark skin can develop skin cancer. ___18. A tan is a sign that the skin is damaged. ___19. Tanning salons and sun lamps are safe ways to get a tan.
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SunGuard Your Skin Survey
___20. A wide brimmed hat gives more sun protection than a baseball cap.
___21. Ultraviolet A (UVA) rays cause the skin to become sunburned. ___22. Wearing a hat and long sleeved shirts are good methods of protection from
sunburn. ___ 23. You can get burned from reflection of the sun’s rays off sand, water, and snow. ___ 24. Protecting yourself from sunburns as an adolescent will help prevent skin cancer
later in life. ___ 25. The outside layer of skin is called the dermis. 26.People can die from malignant melanoma.