Why do we find some things disgusting? Bridget Kendall finds out what's gross from psychologist David Pizarro, sensory scientist John Prescott and surgeon Iain Hutchison. Show more
Discover 11,128,835 listings and 280,427 playable programmes from the BBC
Why do we find some things disgusting? Bridget Kendall finds out what's gross from psychologist David Pizarro, sensory scientist John Prescott and surgeon Iain Hutchison. Show more