Problems with your gastrointestinal tract are no laughing matter.  Some are serious and can cause a life-long struggle that impacts the foods we can eat.  And so no fun.  Taking medications is not new but new approaches to solving the problems with your gastrointestinal tract are on the way.  Nanotechnology offers the promise of better ways of diagnosing and treating gastrointestinal diseases.  Part of the problem is getting past the stomach (and being able to simply swallow something.  Researchers at the University of Maryland have created a digestible capsule that can pass through the stomach and then be able to carry out tasks in the gastrointestinal tract.  One target is inflammatory bowel disease which affects 3 million Americans.  The new material can be fabricated into different shapes and sizes, perhaps the next space ship for a Fantastic Voyage.  For more information look here