Health Sciences 2711A/B Study Guide - Midterm Guide: Randomized Controlled Trial, Calorie Restriction, Glutathione
5 Nov 2016
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Document Summary
Ageing: definitions, mechanisms and the magnitude of the problem. Best practice & research in clinical gastroenterology, 15 (6), pp. 835-849. A hypothesis is either a suggested explanation for an observable phenomenon, or a reasoned prediction of a possible causal correlation among multiple phenomena. substantiated, unifying explanation for a set of verified, proven factors. A theory is always backed by evidence; a hypothesis is only a suggested possible outcome, and is testable and falsifiable. In science, a theory is a tested, well- Example: from theory we do randomized controlled trial around the world , do an analysis and saw with certainty that best practice would be x or y. Agenda: biological theories, psycholoigcal theories, social theories, other theories. Cells have an intrinsic fixed ( limited) capacity to divide (50) therefore aging process is controlled by cellular clock: waste product theory: Many human cell systems accumulate the age pigment lipofuscin which is belewived to disrupt cell metabolism and cause aging: cross linkage theory:
