Breakout the sun screen and protective clothing early and often – if it’s not too late. The occurrence of skin cancer has risen steadily the past 20 years.

The incidence of non-melanoma skin cancer has steadily increased since the 1990s, making it by far the most common form of cancer, affecting more people than all other cancers combined, two new studies find. More than 2 million Americans on Medicare were treated for non-melanoma skin cancer in 2006, up from 1.6 million in 1992, according to one study. The other found that one in five 70-year-olds has been treated for non-melanoma skin cancer. – From Business Week