what causes skin cancer
These types of gene changes can lead to cells growing out of control. Sunlight contains 3 types of UV light. Pin On Health Wellness 1 cause of skin cancer is ultraviolet UV radiation from the sun. . DNA is the chemical in each of our cells that makes up our genes which control how our cells function. Ultraviolet A UVA ultraviolet B UVB ultraviolet C UVC UVC is most dangerous to the skin but is. What causes skin cancer. Eighty percent of sun exposure. Most basal cell and squamous cell skin cancers are caused by repeated and unprotected skin exposure to ultraviolet UV rays from sunlight as well as from man-made sources such as tanning beds. UV rays can damage the DNA inside skin cells. The cause of basal cell carcinoma the most common type of skin cancer is well known. Changes in several different genes are usually needed for a cell to become a cancer cell. Radiation Over-exposure to certain types of light such as ultra-viol...