The official definition of diarrhea is the frequent passage of loose or watery stools. There are several causes of diarrhea. Food poisoning, eating too many fibers filled foods, a dramatic change in diet, and stress are common causes of diarrhea.
Food poisoning can be very serious.
There are milder forms of food poisoning that cause diarrhea. Most often it is caused from foods left in the refrigerator one too many days and eaten. But, bacteria collect on these foods and cannot be seen by the human eye. It is suggested not to eat foods stored as leftovers if they have been stored for more than three days. There are many fibers filled foods such as fruits and vegetables, nuts, seeds, cereals, and breads.