Abdominal (belly) pain is pain or discomfort that is felt in the part of the trunk below the ribs and above the pelvis. It comes from organs within the abdomen or organs adjacent to the belly. It is caused by inflammation, distention of an organ, or by loss of the blood supply to an organ.
Eating a small steak every day could be as good for you as stopping smoking, scientists say. People who eat lots of protein-rich food were found to have lower blood pressure and more healthy arteries, significantly lowering the risk of heart attack and stroke.
It's not that uncommon for a routine-exerciser to eat 5-6 smaller meals a day, just for this reason. So, in a nutshell, yes, it is bad to eat one meal a day. Even if you're not that hungry during the day, eat just a little something to get your body used to the routine. The same thing happens to me if my body isn't used to eating things at a certain time of day.