The abnormal multiplication of skin cells is called skin cancer, mostly occurs in the people having long exposure to the ultraviolet rays of the sun. There are three main types of cancer, basal cell carcinoma, squamous cell carcinoma and squamous cell carcinoma. Usually, it assaults the areas which have most contact with the sunlight but there is a possibility of developing the disease in the undisclosed parts of skin.

Major Risk Factors and Causes of Skin Cancer

Skin cancer starts in the epidermis of skin that serves as a thin protective layer made up of three basic cells; Squamous cells, basal cells and melanocytes. When the process of  producing new cells and removing the old ones is disturbed by DNA, responsible for all the actions occurs in the cells, due to any damage in its key functioning. It results in the abnormal and massive reproduction of the new cells, called skin cancer.

Now the question is; what are the causes and factors which affect the normal performance of DNA, resulting in skin cancer.

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