flans, I see that you didn't answer mrsD when she asked for links to literature to back up your claims.

It's easy to post all these statements but I personally would like to see evidence of proof, and I'm sure that other people would too.

What literature do you have to substantiate your claims? I've tried to find evidence that ammonia causes TN, and so far have been unable to find one article that says so.

If what you are saying is true, then please posts links to all the articles that prove your theory, so we can all read them. Thank you.