1 Describe the structure of the skin.

2 What is the difference between UVA and UVB rays? What are the benefits of exposure to the sun?

3 Over time what happens to the skin when exposed to the UV radiation of the sun. Do sunburns cause long term damage?

4 What is the difference between a carcinoma and a melanoma?

5 What mechanism describes how tanning in excess can lead to melanoma?

6 What about tanning beds, are they any safer than tanning outside?

7 What demographic is targeted for indoor tanning? Is it more dangerous to tan at a particular age?

8. What about vitamin D. What are the health benefits and how is this related to tanning?

9. How can you protect yourself against developing skin cancer ?