thanks for joining us. >> thanks for having me. >> we just got evidence this week you should be wearing your sunscreen not just at the beach but all the time. the photographs you will see here are astounding. it mentioned cancer, sun burns and now we e learn they can also preserve your youth. the contrast is shocking. this man was a trucker for 28 years. the wrinkled side of the face was alongside his window. the sun did that. in a new study this week there is proof sunscreen doesn't just protect you from painful sun burns and skin cancer, it protects you from the anyone old curse -- wrinkles. wrinkling, spotting, loss of elasticity. all of it known as photo aging comes from exposure to the sun's radiation. specifically uva radiation. it's not the uvb radiation linked the to cancer. you can see in these photos, this is the hand of a person with no skin damage.