Kermode was born on the Isle of Man, and was educated at Douglas High School for Boys and the University of Liverpool. He served in the Royal Navy during the Second World War, for six years in total, much of it in Iceland. He began his academic career as a. Laser therapy uses high-intensity light to treat cancer and other illnesses. Lasers can be used to shrink or destroy tumors or precancerous growths. Lasers are most commonly used to treat superficial cancers (cancers on the surface of the body or the lining of internal organs) such as basal cell skin cancer and the very early stages of some cancers, such as cervical, penile, vaginal, vulvar.