they are to me. I'm very light skinned and thus have had sigificant sunburn more than once, skin checks have found and removed somewhat likely to turn into canc

they are to me. I'm very light skinned and thus have had sigificant sunburn more than once, skin checks have found and removed somewhat likely to turn into cancer. Probably useless if you are 20, but by 50 they can find and prevent cancer and so should become common