I had malignant invasive melanoma bad and had to have treatment and surgery for it. The doc said it was from the years of laying in the tanning bed. I am now at an increased risk for other types of cancer such as non hodgkins lymphoma, so needless to say it keeps you on your toes and makes you take another look at your life. As of right now I am cancer free, but I have to have checkups every 3 months to make sure. I guess this goes without saying, but I don't tan anymore,,, lol.