The last of a series of four programmes on language disorders.
Ranging from a slight hesitancy of speech to the chronic inability to release words. stammering is the most recognisable of all speech defects. In this final programme,
David Crystal looks at what stammering is, what causes it and what can be done for people who find the condition a handicap.
With LENA RUSTIN and PEGGY DALTON
Producer ALAN WILDING