Urophagia is the consumption of urine. Urine was used in several ancient cultures for various health, healing, and cosmetic purposes; urine drinking is still practiced today, though there is no proven health benefit to it. In extreme cases, people drink urine if no other potable fluid is available, although numerous credible sources including the US Army Field Manual advise against it. Urine is also consumed as a sexual activity. These guides state that drinking urine tends to worsen rather than relieve dehydration due to the salts in it, and that urine should not be consumed in a survival situation, even when there is no other fluid available.
Wow, I did not expect to come into work today and write about this one; could drinking your urine actually be good for your health? Essentially, Boy's school of thought is that drinking toxins contained in urine will produce antibodies to fight off future infections and nasties. The practice believes that like cures like. But is there any validity in drinking piss actual piss