Should I drink cola after river swimming?

Swimming in rivers is a cooling activity to partake in. But does drinking cola counter river-borne infections?
22 August 2022
Presented by Otis Kingsman
Production by Otis Kingsman.


Swimmer in river water.


Listener Ed wrote to the Naked Scientists with this particular question. "Why is it recommended to drink cola after swimming in a river? And does it really reduce the risk of getting an upset stomach?" Otis Kingsman splashes around in the science of this river rumour with Dr John Tregoning from Imperial College London...


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