Causes of Skin Cancers

The most common cause of skin cancers are ultraviolet (UV) rays, either from the sun, or from UV-emitting lamps like those in tanning saloons. Both UV-A and UV-B rays may cause skin cancer.

Other possible causes of skin cancers include:

  • High dose or repeated X-ray exposure (1,2)
  • Exposure to arsenic (pesticides, wood preservatives, miners, sheep shearers, farmers) (1), pitch (from distillation of wood or coal tar), creosote, or radium (5)
  • Therapy that destroys immune cells – chemotherapy, radiotherapy, immunosuppression in organ or bone marrow transplantation (2)
  • Smoking increases risk for squamous cell carcinoma (4)


continue reading Skin Cancer – Causes and Risk Factors

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