Is it possible to have a sun allergy? It may feel that way on a hot day, but for some people, that’s actually the case.

Skin cancer is the most common cancer in the United States, affecting about 1 in 5 Americans by age 70. And it might surprise you that more than 5 million cases are diagnosed every year. Health experts say most cases are preventable, but only if you’re protecting your skin the right way.

We all know the painful consequences of overdoing it and ending up with sunburn. When it comes to sunburn, Dr. Jennifer Lucas, a dermatologist with Cleveland Clinic, said you want to avoid irritating it even more.