What are the symptoms of skin cancer? and is it the #1 killer in the world?

Abnormal growth: According to the World Health Organization ischaemic heart disease & stroke are the world’s biggest killers. Skin cancers, including melanoma, basal cell carcinoma & squamous cell carcinoma, are abnormal growths of skin cells which most often develop on areas of the skin exposed to the sun. Have any unusual skin changes checked at a clinic as soon as possible! I wish you well with your health!