My grandfather plowed with mules - he never owned a tractor. He also would shove aside the meat and eat every scrap of the fat from his own country hams. Chewed tobacco, grown in his own fields and dried in his own barn, every day from his teens. He never had any kind of cancer and lived to be nearly 100.

But he didn't have my extremely pale, never tan, burn in minutes skin. I don't believe sunscreen causes cancer, especially the ones with zinc and titanium oxide and not chemical screens. I do believe people like me get cancer from too many bad sunburns. I have the sun damage from all the burns when I was a kid and had no sunscreen to prove how bad it can be.