German Man Needs to Drink 20 Liters of Water Per Day to Stay Alive

German architect Marc Wübbenhorst has to drink at least 20 liters of water a day or risk dying from dehydration. The 35-year-old suffers from the rare metabolic disease Diabetes insipidus, which causes intense thirst and the frequent excretion of large amounts of diluted urine. If Wübbenhorst stops drinking water, his body starts to dry out, […]