So you're about to fire up the stove with your trusty nonstick skillet to make an omelet. You've probably heard a metal spatula is a no-go for a nonstick pan's coating, but what about nonstick spray?

Consumer Reports has no financial relationship with advertisers on this site. It may sound harmless—even counterintuitive—but using a nonstick cooking spray, such as Pam or Smart Balance, can damage ...