As Evgeny says, fasting doesn't necessarily cause those symptoms. I've fasted for a day or two at a time as an adult (and about two weeks once as a fat teen). Hunger as a physical sensation is probably not usual thing to feel in the West (or, at least, in America). As an obese American, it takes more than 24 hours of fasting for me to be physically hungry; the vast majority of the time I eat for social reasons, or from boredom.
In my social circles, the most common response to a question about food is "I could eat" rather than "Yes, I'm hungry", since the latter is never literally true.
In my social circles, the most common response to a question about food is "I could eat" rather than "Yes, I'm hungry", since the latter is never literally true.