signal that everything is normal and they can start work again. Even when the gut has done its work despite the confusion, and signals to us that we should seek out the toilet, we add to its woes by suppressing the urge because it happens not to be a convenient time. Also, if we’re honest, travel constipation can often be caused by the “not my toilet” syndrome. Sufferers of this syndrome simply dislike doing their business in unfamiliar toilets. Their biggest challenge is posed by public conveniences.