Excessive yawning and constant need to breathe deep.....get worst when am eating........ whats wrong?

Yawning: When eating, blood supply is diverted in part away from the brain and into the intestinal area which may result in drowsiness or even yawning.Unless your abdomen becomes distended, You're probably focusing on your breathing too much as it should be more of an involuntary process. If you notice shortness of breath with exertion, then you should be evaluated by your physician for lung and heart caus