Psyllium is a fiber supplement, used primarily for the treatment of constipation due to its being a good source of soluble fiber. As a supplement, psyllium is derived from the seed husks of a plant called Plantago ovata.
Social theory is interdisciplinary and draws upon ideas from fields as diverse as anthropology and media studies. Social theory of an informal nature, or authorship based outside of academic social and political science, may be referred to instead as  social criticism  or  social commentary .
Video: Social Bond Theory: Definition & Elements. In the sociological sub-field of criminology, social bond theory is often used to understand criminal behaviors. In this lesson, you will learn how to define social bond theory and gain insight into the individual elements that are used to comprise the framework of the theory.