In most cases, skin cancer spots are caused by overexposure to the ultraviolet (UV) rays of the sun although it can be caused by other factors as well. Skin cancer can happen to anybody anywhere but people with less pigment protection and very light skin are particularly vulnerable to the disease in hot and sunny regions. It is, therefore, necessary for everyone to be aware of the signs and symptoms of skin cancer to help early detection by the doctor. Among all the types of skin cancer, the most dangerous is melanoma because it is known to spread very fast. If the melanoma warning signs are not detected early, then cancer can spread very fast to other organs of the body.
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