Fact or Myth: Tanning beds can help you avoid sunburn by getting a "base tan."
Answer: Fact -- but don't run out to the tanning salon just yet...
The nice healthy glow of a tan might seem much better than the lobster-like look of a sunburn, but both are bad signs.
"All sun exposure, unfortunately, is harmful to the skin," Brancaccio said.
A tan will let you stay out longer in the sun without getting burnt -- and that's true whether you got your tan at the beach or in the tanning booth -- but those extra rays aren't necessarily a good thing.
"There's nothing healthy about getting a base tan before going out in the sun," Kauvar said. "You may not sunburn as quickly, but that doesn't mean you're avoiding skin damage, which will raise your risk of skin cancer and aging."
Tanning salons have raised controversy in recent weeks with claims that they can boost your health by helping you get vitamin D, but Kauvar said that diet or vitamin supplements can give you vitamin D without the risks.