Beyond these programmes lie war films, the Western and the specifically violent dramatic ones about crime. Besides providing excitement and suspense, these also may be offering way in which children can express their aggression in a safe way, or see it being expressed. The evidence suggests, however, that if they offer to satisfy this need the more realistic ones at least don’t necessarily succeed in doing so. Perhaps they function as pornography often does – attracting with the outward sings of what might satisfy a need, but not actually doing so ; or perhaps they are like certain processed foods which have been found no more nourishing on examination than their cardboard packaging.