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Some studies say tanning beds are just as harmful as going out and laying in the sun.
First, let's see how a tanning bed actually works. If you've been a to a tanning salon, you know that the most popular device used is the clam shell-like tanning bed. You lie down on a Plexiglas surface and relax as the light from above and below reach you. According to U.S. Food and Drug Administration, UV rays from the sun, tanning beds, or sun lamps may cause skin cancer. While skin cancer has been associated with sunburn, moderate tanning may also produce this effect.