1 in 5 North Americans will have skin cancer, 97% being non-melanoma cancers with a high cure rate.
Both UV-A and UV-B rays have similar hazards contributing to skin cancer.
Sunscreen use hasn’t prevented much skin cancer, but has caused widespread vitamin D deficiency.
Common Signs & Symptoms
Basal cell carcinoma lesion: rolled indurated pearly edge with a depressed central area of necrosis (dead cells/tissue), sometimes nodular and spherical
Squamous cell carcinoma lesion: a surface scale or crust, a sore, an inflamed spot that doesn’t heal