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Download The Environment and Your Skin Why do we have to wear sunscreen?
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Journal • Imagine you are going on trip to a very warm place (California, Florida, Hawaii, etc.). You are going to be gone for a week and plan on spending the majority of your time outside- playing in the pool, sun-bathing and participating in outdoor activities. What would you pack in preparation for the trip? What items do you consider “essential” and “non-essential”? Why? • Think, pair, share The Environment and Your Skin Why do we have to wear sunscreen? - Kevin P. Boyd https://www.youtube.com/watch?v=ZSJITdsTze0 • In your notes, respond to the following questions as you watch the video. 1. What is the purpose of sun screen? 2. What's the difference between UVA rays and UVB rays? 3. What are the two main types of sunscreen? 4. What is SPF and why is it important? 5. The three main types of skin cancer are… 6. What is the leading cause of aging? UV Rays • UV RadiationElectromagnetic radiation or light having a wavelength longer than that of x-rays but shorter than that of visible light. The Impact of UV Rays • UVA- affects dermal (deeper layer of skin); damages skin cells. • Can cause skin cancer The Impact of UV Rays • UVB- affects epidermis (surface layer of skin); causes “sunburn,” red skin. • Can cause skin cancer Brainstorming • Turn to the person in front of you or next to you • 30 seconds • Discuss the following questions: What is SPF? What type of SPF best protects the body from UV rays? SPF and Sunscreen • Sun Protection Factor (SPF)- measures sunscreen protection from UVB rays, the kind that cause sunburn and contribute to skin cancer. • SPF does not measure how well a sunscreen will protect from UVA rays, which are also damaging and dangerous. • Dermatologists recommend using a SPF15 or SPF30 sunscreen. Higher SPFs don't give much more protection. Brainstorming • Turn to the person in front of you or next to you • 30 seconds • Discuss the following question: How often should you re-apply sunscreen? People should re-apply sunscreen every 2 hours. Risks of Not Wearing Sunscreen • Write down 2: • Skin cancer (Melanoma) • Skin discoloration • The development of moles (benign and/or malignant) • Increased wrinkles/aging of skin Melanoma • Non-Communicable Disease • Type of Skin Cancer • Signs/Symptoms • Change on the skin • A new growth, mole or freckle that changes Melanoma • Screenings • Physical Exam • Biopsy • Treatment • Surgical removal (most common) • Radiation therapy for severe cases Knowing the Signs of Skin Cancer https://www.youtube.com/watch?v=rzxuw0WxwYw • In your notes, write down 3 things you learn as you watch the video. Partner up! • Read the following article and then complete the Skin Cancer Worksheet. Skin Cancer Worksheet- 20 Minutes to Work On! Health Walk! Study Guide- Due Next Class!
