A modality is the way or mode in which something exists or is done. You might often see it used with reference to diagnostic modality, which is the way in which a disease or illness is diagnosed by a doctor. Modality shares its root with the word mode, meaning the way in which something happens or is experienced.. A sensory modality is a way of sensing, like vision or hearing. Modality in someone's voice gives a sense of the person's mood.
Some of the causes of slow bowel movements, whether clearly defined as constipation or not, includes 1  : Dehydration. 2  Depression. 3  Eating disorders.  Hypothyroidism â underactivity of the thyroid 1  gland. Hemorrhoids.  Inflammatory bowel disease (IBD) â active phases always present with diarrhea.
1 Make sure you drink more fluids if you eat more fiber, or your constipation might become worse. 2  Make sure your breakfast includes high-fiber foods and a hot drink. 3  Warm beverages are calming and may help stimulate bowel movement.ll of these factors can cause constipation (less frequent bowel movements with stools that are difficult to pass). Not drinking enough liquids and not eating enough also can be part of the cause of constipation. In addition, constipation can be a side effect of some chemotherapy medications.