Episode details
Available for over a year
Dr Emily Grossman explains why part of our brain goes into overdrive when we need to spend a penny.
Programme WebsiteUse BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.
Available for over a year
Dr Emily Grossman explains why part of our brain goes into overdrive when we need to spend a penny.
Programme Website