Cancer Information for Teens: Health Tips About Cancer by Lisa Bakewell, Karen Bellenir

By Lisa Bakewell, Karen Bellenir

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Extra resources for Cancer Information for Teens: Health Tips About Cancer Awareness, Prevention, Diagnosis, and Treatment (Teen Health Series)

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Cancer occurring at 15 to 29 years of age accounts for only 2–3 percent of all invasive cancer, but is nearly three times more frequent in incidence than cancer during the first 15 years of life. In the 15- to 29-year age group, males are at higher risk than females of developing cancer and have a lower likelihood of survival, with the risks directly proportional to age. Over a span of just 15 years, from age 15 to 29, the frequency distribution of cancer types changes substantively, such that the pattern at the youngest age does not resemble the one at the oldest.

Hazardous for UV expoSource: CDC, 2006. sure in the continental United States. UV radiation is the greatest during the late spring and early summer in North America. ☞ What exactly are “ultraviolet rays”? Ultraviolet (UV) rays are a part of sunlight that is an invisible form of radiation. UV rays can penetrate and change the structure of skin cells. There are three types of UV rays: ultraviolet A (UVA), ultraviolet B (UVB), and ultraviolet C (UVC). UVA is the most abundant source of solar radiation at the earth’s surface and penetrates beyond the top layer of human skin.

The vast majority of cases of cancer diagnosed before age 30 appear to be spontaneous and unrelated to either carcinogens in the environment or inherited factors. Exceptions are those melanomas due to ultraviolet light, cervical carcinoma caused by the human papillomavirus infection, Kaposi sarcoma and certain non-Hodgkin lymphoma related to the human immunodeficiency virus; and Hodgkin and Burkitt lymphomas associated with the Epstein-Barr virus. Hodgkin lymphoma, Ewing sarcoma, osteosarcoma, and testis cancer peak in incidence within this age range.

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Cancer Information for Teens: Health Tips About Cancer by Lisa Bakewell, Karen Bellenir
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