Health Sciences 1001A/B Final: H.S FINAL NOTES
2 Jun 2012
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Document Summary
Easily detected and highly curable {if detected early}, due to exposure to ultraviolet rays. Non-melanoma: basal and squamous [most common cancer ~ 1/3 of all cancer cases] Prevention: avoid long term overexposure to sunlight, avoid blistering and peeling sunburns. Skin cancer estimates for canada in 2011 (canadian cancer society): 74,100 people will be diagnosed, 270 people will die, 0. 36% of those diagnosed will die. 5,500 people will be diagnosed, 950 people will die, 17. 2% of those diagnosed will die more rare but much more serious, almost 50x more likely to die of melanoma than non-melanoma. Melanoma starts in the melanocytes. melanocytes: located in the top layer (epidermis) of your skin , produce melanin (skin colour pigments) that darken with uv exposure : tanning, can cluster together to form moles. > 90% of skin cancers caused by sun exposure, risk doubles 5+ sun burns, increasing in both men and wom- en, 2nd most common cancer for ontarians ages 15-34.
