This is deep (lol); need to say it though. My thinking is: Don't be fooled by the media and the hype about the sun though. Too much sun screen and you interfere with vitamin D and the immune system. A weak immune system can let cancer spread. Pharma and health insurance plans are designed to profit heavily from cancer. So, don't get burned! But get it just right. We always bring a rash guard and wear it most of the time except to take it off and get a good bit of sun. We use as little sun screen as possible in those highly exposed areas.