It’s estimated that more than 9,000 Americans will die from melanoma this year and 76,000 new cases of the disease will be diagnosed. Melanoma, an aggressive skin cancer which can spread (metastasize) quickly to other parts of the body, is also the second most common form of cancer in young Americans (those aged 15-29).
Overexposure of skin to ultraviolet (UV) radiation significantly increases an individual’s risk of melanoma, particularly at a young age; just one severe sunburn in childhood can double the lifetime risk of melanoma. Sun protective measures such as clothing and sunscreen are seen as key to reducing melanoma risk. (more…)
While the evidence linking sunbeds to the development of skin cancer continues to mount, recent research provides new insight into the underlying mechanisms.
A recent study of melanoma in children and young adults indicates that there may be greater risk of metastasis, or spread, of the cancer in younger patients. The study, conducted by researchers at Baltimore’s John Hopkins Children’s Center, involved analysis of 2008 SEER (Surveillance, Epidemiology, and End Results) data on melanoma cases from 2003 to 2008. A total of 717 children and 1368 adults, aged 20-24, were diagnosed during this time.
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Ultraviolet (UV) radiation forms part of the electromagnetic spectrum between visible light and X-rays; it is invisible to the human eye. UV light can be separated into three bands, UVA (400-320nm), UVB (320-290nm) and UVC (290-100nm). Of the UV radiation that reaches the Earth’s surface from the sun, approximately 6% is UVB and 94% UVA.
