On this episode of Body Bizarre, can doctors solve the mystery of the two-metre-tall teenager? We'll meet the grandmother with a devastating condition; the three-legged man who faces life-changing surgery; there's a life or death operation to separate twins conjoined at birth; and the woman who refuses to be beaten by her condition.

On this episode of Body Bizarre, the mystery condition that's plaguing a young woman; a dangerous operation on the man with the world's biggest face tumour; we catch up with the young footballing sensation without feet (but can he master a new sport?); and 21 years old and less than a metre tall, one of the world's smallest men battles a life-threatening aneurism.