If you’ve ever had a minor cut or abrasion and immediately put a bandage over it, you probably noticed when you went to change the dressing that your wound had not scabbed. Instead, it was still moist. On the contrary, if you’ve ever had a similar wound and not kept it under wraps, you’ve seen how quickly a scab can develop. So which is the better option? And why bother with a bandage if it is going to keep the wound open longer? An article by Jennifer VanBaren at eHow has the answers! Source: http://www.ehow.com/info_8733403_should-bandage-cut-let-air.html