Skin cancer is caused by too much exposure to ultra violet (UV) rays from the sun or sunbeds but the rates have been increasing over the years.
moles
People With Lots Of Moles May Have The Benefit Of Delayed Cellular Aging
In a study of more than 900 sets of twins by scientists at King’s College London, they found that those with 100 or more moles lived on average six years longer than those with 25 or fewer.
Melanoma, A Benign Mole That Becomes Malignant
Malignant melanoma can develop in normal skin, especially those areas exposed to sunlight, but most come from moles.