Should you eat local yoghurt on holiday to prevent an upset stomach?

Should you eat local yoghurt on holiday to prevent an upset stomach?To play this video you need to enable JavaScript in your browser.This video can not be playedShould you eat local yoghurt on holiday to prevent an upset stomach?CloseMade by BBC Ideas in partnership with UKRIPublishedJust nowShareclose panelShare pageCopy linkAbout sharingRead description