Surely chewing gum is harmless, right?  Recent studies have revealed something unusual about sugarless chewing gum.  The first ingredient in most sugarless gums is a laxative : sweet-tasting sorbitol.  So it helps people who are, well, gummed up.  🙂  Apparently you have to chew a whole pack a day to get the stool-loosening effect.  But if you chew this gum too much each day, it can lead to chronic diarrhea and dangerous weight loss.  And you don’t want that, particularly the chronic diarrhea — that could leave an indelible mark on your daily routine.  But if you’re constipated, perhaps you should try some sugarless gum…