Updated guidance to help IBS sufferers

For the 5 to 15 percent of Americans who suffer from irritable bowel syndrome, managing chronic symptoms — constipation, diarrhea, gas, and abdominal pain — can be an exercise in frustration. Contradictory advice from doctors, nutritionists, and well-meaning friends, on which foods to avoid or which supplements or medications to take, can drive IBS sufferers crazy. Boston Globe (8/7/14)