Originally Posted by thenewflesh
But since urine, unlike feces or vomitus, is far too acidic to harbor any sort of pathogens, this would be a mistaken belief.
Urine's sterility has nothing to do with acidity. Normal urine pH is around 6, which is barely acidic. For comparison, Coca-Cola's pH is around 2.5. Urine is sterile because it has to be; it's inside your body, and bladder infections aren't fun.