06 Mar 2003
"human urine as produced by the kidneys and freshly voided does not contain ammonia (the urine of some other species does). However, if human urine is exposed to air for any length of time, airborne bacteria will break down some of the urea into ammonia. So it's only "stale" urine that contains ammonia."
fROM THE sKEPTIC'S dICTIONARY //www.curezone.org/blogs/m.asp?f=605&i=3