Diarrhea and constipation can at times be an uncomfortable topic to cover, but the truth is that both are frustrating and pervasive. According to a 2014 University of Texas study, there are approximately 179 million cases of acute diarrhea each year, and constipation affects between 2% and 7% of the world population each year according to the National Institute of Health. Constipation and diarrhea are also 2 prominent symptoms of Irritable Bowel Syndrome, which affects between 25 million and 45 million Americans a year. Luckily, many of the discomforts associated with constipation and diarrhea can be offset by managing your diet. Here are some foods that can help reduce diarrhea and constipation.