Not to mention, just consider this. How many people are simply standing in the sun right now. Now consider how many are actually tanning in indoor tanning beds, the difference is so huge it can't even be measured. Way more people stand around and over expose themselves to the sun on a daily basis and have no clue about it, yet they will be the first ones to tell you that tanning beds cause cancer. Fact is, irresponsible tanning and practices causes cancer.