Overeating and the effect on our body

On my way to work today I heard this report on NPR:

… overeating causes biological changes in the body that can lead more food cravings and cause your stomach to send mixed signals about when it's actually full.

Gut Reaction: Overeating Can Impair Body Function : NPR

Now here is some information on fasting.

For thousands of years, beginning with philosophers like Hippocrates, Socrates and Plato, fasting was recommended for health reasons. The Bible writes that Moses and Jesus fasted for 40 days for spiritual renewal.

And if you think I have become obsessed with fitness and health — well, perhaps you are right. And it is about time!