Must be approximately 3 – 5 pages long, 12 pt font, double spaced. Use citations (APA). You must have at least 2 references, one must be scholarly/peer-reviewed journals and one must be a magazine or periodical. Journal references can include: AAAS, APS, Nature, The Lancet, Society of …, Journal of…. Periodical references can include: Discover, Scientific American, National Geographic, New York Times, Washington Post, Popular Science. The topic of the essay is Skin Cancer and these are also specific details needed: Etiology Define the disease; and Pathology: Describe the pathogenic effects on cells, tissues, and organ systems. – What is the origin or causation of the disease? Is it viral, genetic, prion, etc. – What tissues/organs/cells does the disease affect? What does it do to those tissues/organs/cells? What is the time sequence of the disease? What are the major signs and symptoms?