Drinking Own Urine

I have heard a lot about the beneficial effects of drinking ones own urine.

I have been doing so for about 3 months. Sometimes I drink all I pass in the day and at other times only a little (but always only from midstream)

I have asked one of the doctors at my Health Centrc about it and he said "don't do it - urine is a wste product" whilst another at the Practice said she had heard about it and wants me to take something from the internet which gives an objective view on it.

Somedays my urine tastes very bitetr, others it taste salty and one many occassions it tastes almost as pure as water.

Am I harming myself or even better is it good for me and if so why.