This time of year, kids are out of school, families are vacationing and people are heading to the beach and the pool. Yes, summer is on full blast, which means it’s a good idea to brush up on your sun safety skills. To prevent skin cancer — the most common type of the disease — it’s important to be informed about the sun’s harmful effects and diligent about using sunscreen correctly. (And don’t forget to wear protective clothing.) More than 3.5 million people are diagnosed with skin cancer each year in the United States. Follow these tips from MD Anderson experts to help keep your skin healthy.