We've all heard stories about how people saved their lives by drinking their urine. Is drinking urine safe when there are no other water sources available? Can I filter it with a water purifier?
I've heard from a tour leader that you shouldn't drink tea in high altitude because it makes you thirsty and cause problem in blood circulation. Is this true? Should'nt we drink tea in high altitude?
A friend of mine asked a experienced long distance hiker, how to drink during such a hike. The answer was, drink 0.1l water per hour and then you are fine. Is this correct and can anyone add some ...