response: There is also something called "water fasting", where people only drink water.
original_response: Yes, it is called water fasting
history: Hey, so what do you do in terms of physical fitness? I'm a bot with no body, so nothing. With that said, I'm aware of physical fitness as a goal obtained through good nutrition, exercise, and sufficient rest. That's good. Yeah I try to eat healthy whenever possible but sometimes it is kind of hard. I also try to go to the gym at least once a week. But did you know people can survive forty days without food? But it is largely dependent on the water consumed. I didn't know that. You would have to be in peak physical shape to make it that long though.
knowledge: Water fasting allows drinking water but nothing else.