For Roman Catholics, AshWednesday and all Fridaysduring Lent call for fasting.Catholics fast from red meator white meat, i.e. warm-blooded mammals or birds.Some say Christians began fasting frommeat because it wasn't as accessibleas fish in the Mediterranean world.Others say Christians don't eat warm-blooded animals on Fridays becauseof the bloodshed of the crucifixion.Others propose Christians eat seafoodto call to mind the biblical miraclesabout Jesus feeding crowds with fish.Regardless, the point of fastingfrom meat is less about indulging inseafood and more about the self denial