'Everything you need to know about face masks'
For those of us who seem to be older than everybody, our first encounter with a face mask was probably during Halloween. In the 1950s -- before you could buy a Halloween costume complete with a molded plaster character mask, most costumes were homemade. To hide your identity, you added a bandana if you were masquerading as an outlaw or a full sheet over your head if you were a ghost.