Try http://news.bbc.co.uk/1/hi/health/3287733.stm
Finally caught up part 2 & 3 of this series over Christmas shown on the BBC(recorded it). Was so shocked at the concept
didn't know what to make of it but now I have read your news story I am wondering where this scientific investigation is going? Are we all to reverse our thinking about parasites? To read more about the series try a search on GOOGLE - Bodysnatchers BBC