As stated in my first post I have water fasted for thirty days with no ill effects, I had a full time job with heavy lifting and also taught and trained karate throughout the fast. I was not grossly overweight at the time and could have gone much longer I'm sure. It being my first effort I was cautious. I have read of others who have gone 90- 100 days. I remember reading about a group of fasters who did so for that length of time to prove to the medico's of the time that it could be done safely. They were successful but of course no such simple facts can get through the heads of professionals who'd rather make their money off drugs than something that doesn't cost a cent.
Back to the point though. I've also seen in documentaries that crocodiles can lie dormant fasting under dried up bogs for over two years. And I've never seen a fat crocodile. :p