it just in case. it's a giant placebo. >> is it a big scam? >> you could call it a scam. i might call it a scam. >> does it help prevent injury? >> no. >> so it really doesn't do anything? >> doesn't do a thing. >> thank you so much for joining us. >> thanks for having me. >> we just got new evidence this week you should also be wearing your sunscreen, not just when you go to the beach, but all the time. the photographs you're about to see are stunning. it helps prevent cancer and also sunburns. we now have proof it kds also preserve your youth. the contrast is can shoishockin. this man was a trucker for 20 years. the more wrinkled side of his face was alongside his window. the sun did that. this phenomenal photo out this week are proof the sun doesn't just protect you from sunscreens and skin cancer, it protects you