(HealthDay)—Unrestricted diets are acceptable more than one day before colonoscopy among patients using a split-dose bowel regimen, according to a study published in the October issue of Gastrointestinal Endoscopy. Anna M. Leszczynski, M.D., from the Boston University Medical Center, and colleagues investigated whether fiber and various other foods/macronutrients consumed during the three days before colonoscopy