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What is skin cancer?

How is it caused?

Skin cancer can be caused by exposure to UV radiation, most commonly from the sun. Every time our skin is exposed to UV radiation, the structure of our skin cells changes.

Too much UV radiation exposure can cause irreversible damage to the DNA of skin cells, and one damaged cell can cause a skin cancer to grow.

What are the types of skin cancer?

There are three main types of skin cancer caused by damage to skin cells from UV radiation:

  • Basal Cell Carcinoma (BCC)
  • Squamous Cell Carcinoma (SCC)
  • Melanoma

BCCs and SCCs are the most common skin cancers and are often grouped together as non-melanoma skin cancers. These cancers do not usually spread to other parts of the body, although they do require prompt treatment to prevent this from happening. They also tend to be less dangerous than melanoma.