UV Radiation
This is the main causes of skin cancer from getting into contact with the sun in a long period of time. This is due to the reason that energy from the sun is actually a form of radiation. It is also that there is an invisible infra-red radiation that makes sunlight feel hot and hence people would get sunburnt easily when under the sun too long.
UV rays damage DNA,the genetic material that makes up genes and genes control the growth and overall health of skin cells. It is that if the genetic damage is severe,a normal skin cell may begin to grow in the uncontrolled way of cancer cells.
It is also that some people that get skin cancer is due to the reason that hereditary in families and also there is abnormal genes that they inherited from their parents and so they would likely get the same diseases passed down from their parents.
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