Just caught the tail end of a programme about antiobiotics/probiotics on Radio 4 yesterday. You can Listen Again via the BBC website, it was Case Notes, R4 at 4.30pm Weds 7th April. THe last part I heard seemed to be saying that probiotics are far from proven beneficial for adults and that expensive "yoghurty" drinks are not effective. The bit I heard did say that probiotics are good for children with diarrohea (sp?) or gut problems.