We go to the smallest room to do our most private and – literally – pressing business. And we don’t talk about the outcome – except, perhaps, with a doctor, if something seems amiss. Our stools are an important indicator of our health. Dr Heiner Wedemeyer, director of the Department of Gastroenterology, Hepatology and Endocrinology at the Hanover Medical School (MHH) in Germany, explains what normal stool looks like and when you should consult a doctor. What do our stools say about us? Wedemeyer: For one thing, they’re an indication of what we’ve eaten as well as of illnesses. And we all have …