Sunlight is the main environmental agent that causes melanoma. However, the exact wavelengths of sunlight that cause melanoma are unknown. Research has shown that people with certain risk factors are more likely than others to develop melanoma. A risk factor is anything that increases a person’s chance of developing a disease. Still, many get this disease with no known risk factors. The following are established risk factors for melanoma: Dysplastic moles Dysplastic moles (nevi) are common, and many ..........

causes of MELANOMA>>>

Ultraviolet light - Basal cell cancers are more related to intermittent sun exposure and sunburns especially in childhood and adolescence. Ionizing radiation such as radiotherapy may also increase of skin cancers. Chemicals such as arsenic increase the risk of skin cancers. Exposure is usually chronic and at low concentrations. Genetic Syndromses There are a n .....

causes of BCC>>>

Ultraviolet light - Most of this is from sunlight. Squamous cell carcinoma is most commonly seen in fair skinned individuals who are unable to tan and is associated with an accumulated lifetime exposure to sun. PUVA (Psoralen and Ultraviolet A radiation), which is used mostly for psoriasis, has an increased risk of squamous cell carcinomas Ionizing radiation such as radiotherapy may also increase of skin cancers Chemicals such as arsenic increase the risk of these skin cancers - exposure is usually chronic and at low concentrations Cigarette smoking increases the risks of squamous cell carcinoma by twofold Human Papilloma Virus is associated with squamous cell carcinoma in the genital area as well as around the nails Genetic Syndromes There are a number .....

causes of SCC>>>